audio_duration float64 | audio_id string | audio_ids list | audio_path_original_sample_rate string | audio_paths list | context_audio_paths list | crop_end float64 | crop_start float64 | dataset string | dataset_name string | duration_sec float64 | audio audio | id string | instruction string | instruction_text string | label string | license string | messages list | metadata string | original_beans_pro_id string | original_beans_zero_id string | original_fn string | output string | passed dict | query_audio_path string | sample_id string | sample_rate int64 | scores dict | selection_table_tsv string | skills list | source_dataset string | source_id string | species_count string | species_list string | synthesis_config_path string | task string | template_name string | template_path string | tier int64 | total_call_count string |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
null | d52999579731d6cec6e2cc58240893818c33cd72be9f3b836984b4fe99ea8190 | null | audio/calltype_4__00355646__2019_CV_Azul_normed.wav | null | null | null | null | null | crow-description | null | 2ac4f550-1987-49a9-943f-fbbbf048ee97 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second. The first often longer than the second.
B: High-pitched trill, lasting 0.5-1 sec. Strong harmonic bands, with lowest around 1000 Hz. Amplitude a... | Which acoustic description best matches this sound?
A: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second. The first often longer than the second.
B: High-pitched trill, lasting 0.5-1 sec. Strong harmonic bands, with lowest around 1000 Hz. Amplitude and frequency modulated, aro... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E4", "call_type_original": "E4", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 2ac4f550-1987-49a9-943f-fbbbf048ee97 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 86316ae9eed0435bbd324a7babbabb570c69cd5983c0e65144301f0db9cb6c69 | null | audio/calltype_4__00582164__2021_LL_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | bde9fc3a-8fcc-4fe3-b6d9-c2df97c962be | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A quiet growl, more subdued than a grunt. Noisy, with some variation on whether harmonic structure is apparent. Typically 0.3-0.5 sec.
B: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
C: A very brief, low-amplitude grunt (<0.1 ... | Which acoustic description best matches this sound?
A: A quiet growl, more subdued than a grunt. Noisy, with some variation on whether harmonic structure is apparent. Typically 0.3-0.5 sec.
B: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
C: A very brief, low-amplitude grunt (<0.1 sec) accompanied with bill ... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E4", "call_type_original": "E4", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | bde9fc3a-8fcc-4fe3-b6d9-c2df97c962be | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 3ffbcc61b2613929b274d51d290c1b5d8325676e7295386f6cd70fd4b7daa958 | null | audio/calltype_10__00176249__2019_AL_Azul_normed.wav | null | null | null | null | null | crow-description | null | 863729d6-9ba4-4b9d-a59b-ce4a74a20b9b | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
B: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
C: A loud, descending, amplitude-modulated call (~0.5 sec), followed... | Which acoustic description best matches this sound?
A: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
B: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
C: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 sec) acce... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E10", "call_type_original": "E10", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 863729d6-9ba4-4b9d-a59b-ce4a74a20b9b | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 07c9b1fc9d46f3b16249c247bf31b3df48f1c18e235296572b15a3b85c574502 | null | audio/calltype_12__00498051__2021_BQ_Naranja_normed.wav | null | null | null | null | null | crow-description | null | a8a2d0b8-67b4-4d8a-a243-6615adc1142a | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same fundamental.
B: A quiet growl, more subdued than a grunt. Noisy, with some variation o... | Which acoustic description best matches this sound?
A: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same fundamental.
B: A quiet growl, more subdued than a grunt. Noisy, with some variation on whether harmonic structur... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E12", "call_type_original": "E12", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | a8a2d0b8-67b4-4d8a-a243-6615adc1142a | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 79dc6f6780e01c7c264a65320e8edf7f28e8e0291465dc5f5cec40bad4ce72f4 | null | audio/calltype_3__00101859__2018_CT_Rosa_normed.wav | null | null | null | null | null | crow-description | null | 313b0775-19a5-4b1a-96a6-a143ea9e002d | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A brief, high-pitched accent note followed by a longer (>0.5 sec) whine or honk. Both parts have pronounced harmonics, with fundamental frequency ~1000 Hz for the initial note and ~500 Hz for the remainder.
B: Very short (0.1 sec), quiet... | Which acoustic description best matches this sound?
A: A brief, high-pitched accent note followed by a longer (>0.5 sec) whine or honk. Both parts have pronounced harmonics, with fundamental frequency ~1000 Hz for the initial note and ~500 Hz for the remainder.
B: Very short (0.1 sec), quiet grunts. Most spectral ener... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E3", "call_type_original": "E3", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 313b0775-19a5-4b1a-96a6-a143ea9e002d | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 69dd64975898a7547c2007d964c694f2d74eb173fa1e1f1bce6516981cd5ab93 | null | audio/calltype_14__00613369__2021_N4_Naranja_normed.wav | null | null | null | null | null | crow-description | null | b862e9f6-b4b1-4262-9d86-fe4d7575de80 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A short (<0.1 sec) high-pitched harmonic stack followed by a longer (>0.3 sec) descending, amplitude-modulated tone. First note has harmonic bands beginning around 400 Hz, second descends from there.
B: A whiny, nasally call, 0.5 sec or ... | Which acoustic description best matches this sound?
A: A short (<0.1 sec) high-pitched harmonic stack followed by a longer (>0.3 sec) descending, amplitude-modulated tone. First note has harmonic bands beginning around 400 Hz, second descends from there.
B: A whiny, nasally call, 0.5 sec or longer. Often descending in... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E14", "call_type_original": "E14", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | b862e9f6-b4b1-4262-9d86-fe4d7575de80 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 61cce8da9a27b55c721f444903ec1415dc4fd1005c2cae7f6fe65dbb4a2cbb0f | null | audio/calltype_10__00007950__2018_AW_Roja_normed.wav | null | null | null | null | null | crow-description | null | 317414d7-0c1b-48a9-af88-040227026294 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A high-pitched flat harmonic tone, ~0.3 sec long with peak energy around 1200 Hz.
B: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down... | Which acoustic description best matches this sound?
A: A high-pitched flat harmonic tone, ~0.3 sec long with peak energy around 1200 Hz.
B: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spec... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E10", "call_type_original": "E10", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 317414d7-0c1b-48a9-af88-040227026294 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | d33d58b292fbbc027bf0625bbfdefb544dafb976712c7150d3e3347143a14527 | null | audio/calltype_26__00007885__2018_AW_Roja_normed.wav | null | null | null | null | null | crow-description | null | 0dbfad67-175d-4a0b-8b1d-1f69b139a1dc | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spectral bands are less pronounced than in louder grunt varian... | Which acoustic description best matches this sound?
A: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spectral bands are less pronounced than in louder grunt variants. Duration ranges from sh... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E26", "call_type_original": "E26", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 0dbfad67-175d-4a0b-8b1d-1f69b139a1dc | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 0b515a65cbec6d065bda88c234483a75d7f5b0bae9bcc49b5af51261e57d1954 | null | audio/calltype_3__00031129__2018_AY_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | 3aca42d0-2991-40dc-bf04-931ac6eaece2 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: A high-pitched flat harmonic tone, ~0.3 sec long with peak energy around 1200 Hz.
C: Short (... | Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: A high-pitched flat harmonic tone, ~0.3 sec long with peak energy around 1200 Hz.
C: Short (<0.3 sec) guttural "pa-choo... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E3", "call_type_original": "E3", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 3aca42d0-2991-40dc-bf04-931ac6eaece2 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 3f452f326c91b101739b9bd877871092cfe5e0ab82497c0911523c21fffa661f | null | audio/calltype_18__00261154__2019_BA_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | af40f779-d7e5-4080-98d9-6373cb91c49c | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
B: High frequency, short (0.1 sec) ascending "zip" note. No clear harmonic bands, with most energy in 600-1500 Hz range.
C: Long (>0.7 sec), harsh call. No clear harmonic bands, wit... | Which acoustic description best matches this sound?
A: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
B: High frequency, short (0.1 sec) ascending "zip" note. No clear harmonic bands, with most energy in 600-1500 Hz range.
C: Long (>0.7 sec), harsh call. No clear harmonic bands, with peak spectral energy arou... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E18", "call_type_original": "E18", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | af40f779-d7e5-4080-98d9-6373cb91c49c | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 7059d0af30aafd96f278e95880da3f7ad838891c0c2c928662e0f063b5bc3311 | null | audio/calltype_3__00230123__2019_AL_Rosa_normed.wav | null | null | null | null | null | crow-description | null | f97d1ff1-771e-4cdc-a71e-9a85edf02bab | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A brief, high-pitched accent note followed by a longer (>0.5 sec) whine or honk. Both parts have pronounced harmonics, with fundamental frequency ~1000 Hz for the initial note and ~500 Hz for the remainder.
B: A high-pitched harmonic sta... | Which acoustic description best matches this sound?
A: A brief, high-pitched accent note followed by a longer (>0.5 sec) whine or honk. Both parts have pronounced harmonics, with fundamental frequency ~1000 Hz for the initial note and ~500 Hz for the remainder.
B: A high-pitched harmonic stack followed by a descending... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E3", "call_type_original": "E3", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | f97d1ff1-771e-4cdc-a71e-9a85edf02bab | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 27e2df2ed6409f8f18ddd55571c53ebd00a76b4d75ab0897895d1608c40ab982 | null | audio/calltype_12__00062931__2018_BC_Naranja_normed.wav | null | null | null | null | null | crow-description | null | 2ed66ed0-b0db-46a0-83e6-73ecd9619e20 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A honking call (~0.4 sec), with amplitude modulation and overall flat frequency contour. Most energy concentrated in a single frequency band around 1200 Hz, although harmonics appear down to 200 Hz.
B: A whiny, nasally call, 0.5 sec or l... | Which acoustic description best matches this sound?
A: A honking call (~0.4 sec), with amplitude modulation and overall flat frequency contour. Most energy concentrated in a single frequency band around 1200 Hz, although harmonics appear down to 200 Hz.
B: A whiny, nasally call, 0.5 sec or longer. Often descending in ... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E12", "call_type_original": "E12", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 2ed66ed0-b0db-46a0-83e6-73ecd9619e20 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 7635568c6835ac3392da150aa05b04d227d431d52e2465192b46c794d47fd2fb | null | audio/calltype_26__00433660__2019_N7_Morado_normed.wav | null | null | null | null | null | crow-description | null | 243d27d7-8317-4cd2-a347-2aa60be63b8c | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: High-pitched trill, lasting 0.5-1 sec. Strong harmonic bands, with lowest around 1000 Hz. Amplitude and frequency modulated, around an overall flat frequency contour.
B: A succession of two notes, ~0.7 sec. First note higher-pitched with... | Which acoustic description best matches this sound?
A: High-pitched trill, lasting 0.5-1 sec. Strong harmonic bands, with lowest around 1000 Hz. Amplitude and frequency modulated, around an overall flat frequency contour.
B: A succession of two notes, ~0.7 sec. First note higher-pitched without amplitude modulation. S... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E26", "call_type_original": "E26", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 243d27d7-8317-4cd2-a347-2aa60be63b8c | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 4a3b676dee9fb94bcbc2630b9bd98260ecb17e4750564307d737e24ecce03bca | null | audio/calltype_10__00017166__2018_AW_Roja_normed.wav | null | null | null | null | null | crow-description | null | ca1deb67-49aa-44f6-a218-f60e7c534d13 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second. The first often longer than the second.
B: A very brief, low-amplitude grunt (<0.1 sec) accompanied with bill clacks. Sometimes followed by a lo... | Which acoustic description best matches this sound?
A: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second. The first often longer than the second.
B: A very brief, low-amplitude grunt (<0.1 sec) accompanied with bill clacks. Sometimes followed by a longer, higher-pitched, ampli... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E10", "call_type_original": "E10", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | ca1deb67-49aa-44f6-a218-f60e7c534d13 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | b46956d575d8aa3b219d9c69ad90ff4706af73b053d202401e4f35ffdcfb1327 | null | audio/calltype_10__00101862__2018_CT_Rosa_normed.wav | null | null | null | null | null | crow-description | null | 7bfbcabe-ebeb-4c98-9dbe-17141cb8d454 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A typically long (>0.5 sec) eerie "oo", with most energy in 500-700 Hz range. Spectral content ranges from one dominant component (a whistle) to sounding biphonated. Often preceded by a brief, high-pitched accent note and accompanied wit... | Which acoustic description best matches this sound?
A: A typically long (>0.5 sec) eerie "oo", with most energy in 500-700 Hz range. Spectral content ranges from one dominant component (a whistle) to sounding biphonated. Often preceded by a brief, high-pitched accent note and accompanied with bill-clacks.
B: A loud, d... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E10", "call_type_original": "E10", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | 7bfbcabe-ebeb-4c98-9dbe-17141cb8d454 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 8309e4634201145154ef9e40d108f1b2063e9d45ba84bba0d1544215abbd16b2 | null | audio/calltype_10__00102028__2018_CT_Rosa_normed.wav | null | null | null | null | null | crow-description | null | f9709863-d22b-4174-8c0c-ee7a2b49943f | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 sec) accent note with spectral range extending higher. Both parts have clear harmonic structure.
B: A whiny, nasally call, 0.5 sec or longer. Often descen... | Which acoustic description best matches this sound?
A: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 sec) accent note with spectral range extending higher. Both parts have clear harmonic structure.
B: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour w... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E10", "call_type_original": "E10", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | f9709863-d22b-4174-8c0c-ee7a2b49943f | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 15b07ddad5377a1bfabc2ab3062d02406849d5381215323b395498354fd3b77c | null | audio/calltype_12__00450464__2021_BPBO_Azul_normed.wav | null | null | null | null | null | crow-description | null | 751a3232-e133-477b-93a1-8c4f54e88dd3 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration r... | Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration ranges from short (<0.2 sec)... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E12", "call_type_original": "E12", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 751a3232-e133-477b-93a1-8c4f54e88dd3 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 38c8c6832b83d7547cc3712e2fb6f7b02ee01e9045c5d17b41e3f735a29b92b5 | null | audio/calltype_4__00278170__2019_BD_Rosa_normed.wav | null | null | null | null | null | crow-description | null | bb041176-9e0c-44eb-805d-bd8c13fceda0 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spectral bands are less pronounced than in louder grunt varian... | Which acoustic description best matches this sound?
A: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spectral bands are less pronounced than in louder grunt variants. Duration ranges from sh... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E4", "call_type_original": "E4", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | bb041176-9e0c-44eb-805d-bd8c13fceda0 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | ba4e63684fbdfad4022b463dd10ad7f97f052fc3e9a4dc906e8275ae67965a44 | null | audio/calltype_18__00054216__2018_BC_Naranja_normed.wav | null | null | null | null | null | crow-description | null | 8bcff7b5-1b85-49cd-a339-48922ca4cfeb | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: High frequency, short (0.1 sec) ascending "zip" note. No clear harmonic bands, with most energy in 600-1500 Hz range.
B: High-pitched trill, lasting 0.5-1 sec. Strong harmonic bands, with lowest around 1000 Hz. Amplitude and frequency mo... | Which acoustic description best matches this sound?
A: High frequency, short (0.1 sec) ascending "zip" note. No clear harmonic bands, with most energy in 600-1500 Hz range.
B: High-pitched trill, lasting 0.5-1 sec. Strong harmonic bands, with lowest around 1000 Hz. Amplitude and frequency modulated, around an overall ... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E18", "call_type_original": "E18", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 8bcff7b5-1b85-49cd-a339-48922ca4cfeb | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 657e55f1febd95ddc98767ddf1cec51321fa2bfe260d59069481aa06db9d817e | null | audio/calltype_14__00078631__2018_BC_Verde_normed.wav | null | null | null | null | null | crow-description | null | bb48d6b3-4576-4592-81ae-fe5ddb39f750 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Long (>0.7 sec), harsh call. No clear harmonic bands, with peak spectral energy around 1500-1700 Hz. Flat pitch contour.
B: A typically long (>0.5 sec) eerie "oo", with most energy in 500-700 Hz range. Spectral content ranges from one do... | Which acoustic description best matches this sound?
A: Long (>0.7 sec), harsh call. No clear harmonic bands, with peak spectral energy around 1500-1700 Hz. Flat pitch contour.
B: A typically long (>0.5 sec) eerie "oo", with most energy in 500-700 Hz range. Spectral content ranges from one dominant component (a whistle... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E14", "call_type_original": "E14", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | bb48d6b3-4576-4592-81ae-fe5ddb39f750 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 5de582e48d589fb16f71ce4846515b123dc77bbcc9b428806f4a3bb030c51288 | null | audio/calltype_3__00583423__2021_LL_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | d29cf948-2675-4132-8150-8d8c65923eca | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: High-pitched trill, lasting 0.5-1 sec. Strong harmonic bands, with lowest around 1000 Hz. Amplitude and frequency modulated, around an overall flat frequency contour.
B: A loud, descending, amplitude-modulated call (~0.5 sec), followed b... | Which acoustic description best matches this sound?
A: High-pitched trill, lasting 0.5-1 sec. Strong harmonic bands, with lowest around 1000 Hz. Amplitude and frequency modulated, around an overall flat frequency contour.
B: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 sec) accent... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E3", "call_type_original": "E3", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | d29cf948-2675-4132-8150-8d8c65923eca | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | eed6014f82ec88afd3f4361c8aaf4a4ea01bc7aad83990aa7857a3dd2e16fa7a | null | audio/calltype_14__00483494__2021_BQ_Naranja_normed.wav | null | null | null | null | null | crow-description | null | af8d204e-7eae-45d6-9c97-607dfce55336 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A typically long (>0.5 sec) eerie "oo", with most energy in 500-700 Hz range. Spectral content ranges from one dominant component (a whistle) to sounding biphonated. Often preceded by a brief, high-pitched accent note and accompanied wit... | Which acoustic description best matches this sound?
A: A typically long (>0.5 sec) eerie "oo", with most energy in 500-700 Hz range. Spectral content ranges from one dominant component (a whistle) to sounding biphonated. Often preceded by a brief, high-pitched accent note and accompanied with bill-clacks.
B: A brief (... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E14", "call_type_original": "E14", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | af8d204e-7eae-45d6-9c97-607dfce55336 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 925fc8dce01c71dae57b68b64b28bb7d56c0409f4678dfd6495bd96d0dbca3c8 | null | audio/calltype_4__00076530__2018_BC_Verde_normed.wav | null | null | null | null | null | crow-description | null | cf636dee-f137-4519-86fb-3ee5d68a3127 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A high-pitched flat harmonic tone, ~0.3 sec long with peak energy around 1200 Hz.
B: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same f... | Which acoustic description best matches this sound?
A: A high-pitched flat harmonic tone, ~0.3 sec long with peak energy around 1200 Hz.
B: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same fundamental.
C: A short (<0.... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E4", "call_type_original": "E4", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | cf636dee-f137-4519-86fb-3ee5d68a3127 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 5df5051f85421be12eb4b49bdb3fcf30989df1ba7cde52580a66e1580bf0e162 | null | audio/calltype_14__00471582__2021_BPBO_Verde_normed.wav | null | null | null | null | null | crow-description | null | b0538759-9b4c-467c-a72e-59c68b577672 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spectral bands are less pronounced than in louder grunt varian... | Which acoustic description best matches this sound?
A: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spectral bands are less pronounced than in louder grunt variants. Duration ranges from sh... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E14", "call_type_original": "E14", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | b0538759-9b4c-467c-a72e-59c68b577672 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 544345ddf0f9e52ff072a299e60bedc6d81cf7d9a86036c684396927b1731c89 | null | audio/calltype_4__00527039__2021_FA_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | 32a69700-e500-4dd1-8d3b-22c3f7e72742 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
B: A quiet growl, more subdued than a grunt. Noisy, with some variation on whether harmonic structure is apparent. Typically 0.3-0.5 sec.
C: A whiny, nas... | Which acoustic description best matches this sound?
A: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
B: A quiet growl, more subdued than a grunt. Noisy, with some variation on whether harmonic structure is apparent. Typically 0.3-0.5 sec.
C: A whiny, nasally call, 0.5 sec or longe... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E4", "call_type_original": "E4", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | 32a69700-e500-4dd1-8d3b-22c3f7e72742 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 46e5f66b544713b95a278c50d3adb7a15e79aca0c30196acc33fa83bf332ba35 | null | audio/calltype_18__00382587__2019_CW_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | 072c96c3-b5ee-4a98-8625-ae274229bd8d | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A short (<0.1 sec) high-pitched harmonic stack followed by a longer (>0.3 sec) descending, amplitude-modulated tone. First note has harmonic bands beginning around 400 Hz, second descends from there.
B: A brief, high-pitched accent note ... | Which acoustic description best matches this sound?
A: A short (<0.1 sec) high-pitched harmonic stack followed by a longer (>0.3 sec) descending, amplitude-modulated tone. First note has harmonic bands beginning around 400 Hz, second descends from there.
B: A brief, high-pitched accent note followed by a longer (>0.5 ... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E18", "call_type_original": "E18", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 072c96c3-b5ee-4a98-8625-ae274229bd8d | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | f69744849106fd7a59dc28ebcd5e5149ca3a228349a5b9707b1f2cdcd1ca70dd | null | audio/calltype_14__00032505__2018_AY_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | e704d049-b1a5-4a3c-89a9-8c34aed9cfeb | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A typically long (>0.5 sec) eerie "oo", with most energy in 500-700 Hz range. Spectral content ranges from one dominant component (a whistle) to sounding biphonated. Often preceded by a brief, high-pitched accent note and accompanied wit... | Which acoustic description best matches this sound?
A: A typically long (>0.5 sec) eerie "oo", with most energy in 500-700 Hz range. Spectral content ranges from one dominant component (a whistle) to sounding biphonated. Often preceded by a brief, high-pitched accent note and accompanied with bill-clacks.
B: A very br... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E14", "call_type_original": "E14", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | e704d049-b1a5-4a3c-89a9-8c34aed9cfeb | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | da70690a0ce710e699ad919d29263051f951206b0c39510f88a4f84f09c07bb5 | null | audio/calltype_12__00024792__2018_AW_Roja_normed.wav | null | null | null | null | null | crow-description | null | 5fd389e3-b8c8-4d35-a6bd-aa5c836f663c | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
B: A honking call (~0.4 sec), with amplitude modulation and overall flat frequency contour. Most energy... | Which acoustic description best matches this sound?
A: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
B: A honking call (~0.4 sec), with amplitude modulation and overall flat frequency contour. Most energy concentrated in a single f... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E12", "call_type_original": "E12", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | 5fd389e3-b8c8-4d35-a6bd-aa5c836f663c | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 7f63f5e0f79326bd4364a5ed2fa03b12ad8b6f837c68f6f34208254249361894 | null | audio/calltype_18__00039660__2018_BC_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | 10a6c810-dc97-4afc-8d1f-16d4f360d2e4 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A quiet growl, more subdued than a grunt. Noisy, with some variation on whether harmonic structure is apparent. Typically 0.3-0.5 sec.
B: A short (<0.1 sec) high-pitched harmonic stack followed by a longer (>0.3 sec) descending, amplitud... | Which acoustic description best matches this sound?
A: A quiet growl, more subdued than a grunt. Noisy, with some variation on whether harmonic structure is apparent. Typically 0.3-0.5 sec.
B: A short (<0.1 sec) high-pitched harmonic stack followed by a longer (>0.3 sec) descending, amplitude-modulated tone. First not... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E18", "call_type_original": "E18", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | 10a6c810-dc97-4afc-8d1f-16d4f360d2e4 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | d5d21dc8bc3561e120a7e697223016df759067784c0c026f5783f641feb07377 | null | audio/calltype_12__00287672__2019_BPBO_Azul_normed.wav | null | null | null | null | null | crow-description | null | 93b54432-bf17-4ad6-8352-90128d8aee82 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
C: A brief (<0.1 sec) low-frequency harmonic... | Which acoustic description best matches this sound?
A: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
C: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompa... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E12", "call_type_original": "E12", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 93b54432-bf17-4ad6-8352-90128d8aee82 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 035fff86f6f0657acfc29ed1cb294724c3c8244606ab9daaeb3a688c95986cdf | null | audio/calltype_3__00282823__2019_BPBO_Azul_normed.wav | null | null | null | null | null | crow-description | null | 4a600f14-b721-4c90-95e8-1f653bfbd1c1 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A short (<0.1 sec) high-pitched harmonic stack followed by a longer (>0.3 sec) descending, amplitude-modulated tone. First note has harmonic bands beginning around 400 Hz, second descends from there.
B: A brief, high-pitched accent note ... | Which acoustic description best matches this sound?
A: A short (<0.1 sec) high-pitched harmonic stack followed by a longer (>0.3 sec) descending, amplitude-modulated tone. First note has harmonic bands beginning around 400 Hz, second descends from there.
B: A brief, high-pitched accent note followed by a longer (>0.5 ... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E3", "call_type_original": "E3", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | 4a600f14-b721-4c90-95e8-1f653bfbd1c1 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | ce298253c55b2e2497e5d9a043aaa745e0e6c7873b06f90846e45c58e3cc911d | null | audio/calltype_26__00101595__2018_CT_Rosa_normed.wav | null | null | null | null | null | crow-description | null | 10f34e78-18f7-4190-a9b7-d0ec8820d0da | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second. The first often longer than the second.
B: A high-pitched harmonic stack followed by a descending, amplitude-modulated tone. Shorter than simila... | Which acoustic description best matches this sound?
A: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second. The first often longer than the second.
B: A high-pitched harmonic stack followed by a descending, amplitude-modulated tone. Shorter than similar two-part calls (<0.2 sec ... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E26", "call_type_original": "E26", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 10f34e78-18f7-4190-a9b7-d0ec8820d0da | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 53d9214b230334be7606a1caa0da93d4c428abe82a501af6006aa3e071b2c666 | null | audio/calltype_18__00036119__2018_AY_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | a924e4a2-9cef-42cb-9b10-eca6094ed659 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration r... | Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration ranges from short (<0.2 sec)... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E18", "call_type_original": "E18", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | a924e4a2-9cef-42cb-9b10-eca6094ed659 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 6b41255b536f591d995731b02e657592820dd338dab4f0e4160a99a2b00c9ca7 | null | audio/calltype_26__00632272__2021_N4_Naranja_normed.wav | null | null | null | null | null | crow-description | null | a95dac53-2d42-445e-9d6d-8d8b29b39096 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same fundamental.
B: Short (<0.2 sec), high-pitched succession of two notes. First has no A... | Which acoustic description best matches this sound?
A: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same fundamental.
B: Short (<0.2 sec), high-pitched succession of two notes. First has no AM and strong harmonic bands... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E26", "call_type_original": "E26", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | a95dac53-2d42-445e-9d6d-8d8b29b39096 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 58790b6700784f58ac2cdbd372d68f05b9a6a008c35446b4b7aec2b7d19fd4cb | null | audio/calltype_29__00004255__2018_AW_Roja_normed.wav | null | null | null | null | null | crow-description | null | 2d783624-65c4-4864-8a9f-6f3b857c7b56 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: High frequency, short (0.1 sec) ascending "zip" note. No clear harmonic bands, with most energy in 600-1500 Hz range.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more ampl... | Which acoustic description best matches this sound?
A: High frequency, short (0.1 sec) ascending "zip" note. No clear harmonic bands, with most energy in 600-1500 Hz range.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
C: A high... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E29", "call_type_original": "E29", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 2d783624-65c4-4864-8a9f-6f3b857c7b56 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 901af7de8218485bbe70d97c1eaada939e3736118022376c644f74bec0d79454 | null | audio/calltype_36__00508443__2021_EB_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | efa897ea-5282-45b2-98d9-773fe963315c | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Long (>0.7 sec), harsh call. No clear harmonic bands, with peak spectral energy around 1500-1700 Hz. Flat pitch contour.
B: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little... | Which acoustic description best matches this sound?
A: Long (>0.7 sec), harsh call. No clear harmonic bands, with peak spectral energy around 1500-1700 Hz. Flat pitch contour.
B: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E36", "call_type_original": "E36", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | efa897ea-5282-45b2-98d9-773fe963315c | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 5a53d454a0e6ecc53aaf8351908be69a5a854dd88d0106df6a52893e9d0932de | null | audio/calltype_29__00103282__2018_N1_Azul_normed.wav | null | null | null | null | null | crow-description | null | 5ef81321-753a-43bd-a2cd-dbc3393a47c0 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A succession of two notes, ~0.7 sec. First note higher-pitched without amplitude modulation. Second sometimes longer, lower-pitched with amplitude modulation. Less dramatic frequency jump between notes than similar two-part calls.
B: A w... | Which acoustic description best matches this sound?
A: A succession of two notes, ~0.7 sec. First note higher-pitched without amplitude modulation. Second sometimes longer, lower-pitched with amplitude modulation. Less dramatic frequency jump between notes than similar two-part calls.
B: A whiny, nasally call, 0.5 sec... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E29", "call_type_original": "E29", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 5ef81321-753a-43bd-a2cd-dbc3393a47c0 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 08c4b25d7936932f8675f99117e04987295b74cc12f6b2b6c710fd745b367b49 | null | audio/calltype_36__00514672__2021_EB_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | 79e07929-449f-47e9-91c1-c82c68286e6d | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
C: A high-pitched harmonic stack fol... | Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
C: A high-pitched harmonic stack followed by a descending, ampl... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E36", "call_type_original": "E36", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 79e07929-449f-47e9-91c1-c82c68286e6d | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 413e70c92d6b227b99c9886e4d64a95e46d89256b25e1b4dcf8908afc78c56d8 | null | audio/calltype_29__00040364__2018_BC_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | 1e38ac73-484b-4709-901b-04e93501d2d9 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spectral bands are more pronounced than in quieter grunt varia... | Which acoustic description best matches this sound?
A: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spectral bands are more pronounced than in quieter grunt variants. Duration ranges from s... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E29", "call_type_original": "E29", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 1e38ac73-484b-4709-901b-04e93501d2d9 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 4d0a8e3664a121aba48a28b3f6915ecabe99eca4d32390684712c04813d5073d | null | audio/calltype_44__00499420__2021_BQ_Naranja_normed.wav | null | null | null | null | null | crow-description | null | 2a176b7a-0619-4744-b924-1c69557fcd85 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Short (<0.3 sec) guttural "pa-choo" rattles, often descending in pitch.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
C: A high-pitched flat harmo... | Which acoustic description best matches this sound?
A: Short (<0.3 sec) guttural "pa-choo" rattles, often descending in pitch.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
C: A high-pitched flat harmonic tone, ~0.3 sec long wit... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E44", "call_type_original": "E44", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | 2a176b7a-0619-4744-b924-1c69557fcd85 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 539959efe7594b8afc47c3cb193b89a2e37eb1585400ddb56bdda7d4871db0a1 | null | audio/calltype_29__00050486__2018_BC_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | 4ca84dc8-d57f-4d00-9dea-ab53e1d24fa3 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration r... | Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration ranges from short (<0.2 sec)... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E29", "call_type_original": "E29", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | 4ca84dc8-d57f-4d00-9dea-ab53e1d24fa3 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 93cfa56980b7a4524f06f4ba85074ef43f9952a2355469dbeea1780d376470dc | null | audio/calltype_36__00506384__2021_EB_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | d8c9352d-bda4-4a9f-971b-dcccd5d99a1e | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same fundamental.
B: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a... | Which acoustic description best matches this sound?
A: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same fundamental.
B: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 sec) accent no... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E36", "call_type_original": "E36", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | d8c9352d-bda4-4a9f-971b-dcccd5d99a1e | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 2a8275714358e0e128271a1991337bd5426b06c374bf7cf2577bc3c741f7bb75 | null | audio/calltype_47__00501120__2021_BQ_Naranja_normed.wav | null | null | null | null | null | crow-description | null | 7c5a2b04-4893-441b-8f0e-dcd77f47c2d8 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
B: A high-pitched flat harmonic tone, ~0.3 sec long with peak energy around 1200 Hz.
C: A rapid succession of two tones (<0.3 s... | Which acoustic description best matches this sound?
A: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
B: A high-pitched flat harmonic tone, ~0.3 sec long with peak energy around 1200 Hz.
C: A rapid succession of two tones (<0.3 sec total), the first higher... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E47", "call_type_original": "E47", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 7c5a2b04-4893-441b-8f0e-dcd77f47c2d8 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | fd82872032f3d62462fda301d615359878cf72f7a75a2029b229ab5be9d5ce7f | null | audio/calltype_29__00395570__2019_EB_Rojo_normed.wav | null | null | null | null | null | crow-description | null | 67fb71c5-4e23-42a5-88f9-a48c3fa4a2bf | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A high-pitched flat harmonic tone, ~0.3 sec long with peak energy around 1200 Hz.
B: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down... | Which acoustic description best matches this sound?
A: A high-pitched flat harmonic tone, ~0.3 sec long with peak energy around 1200 Hz.
B: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spec... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E29", "call_type_original": "E29", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 67fb71c5-4e23-42a5-88f9-a48c3fa4a2bf | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 940f3d3c1543740871775e9055da2636d14034c9d2a71dafcb2ea974b2beef52 | null | audio/calltype_44__00048145__2018_BC_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | 583c177f-7e9f-4d5b-882c-bd5cf71a0a14 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Long (>0.7 sec), harsh call. No clear harmonic bands, with peak spectral energy around 1500-1700 Hz. Flat pitch contour.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more a... | Which acoustic description best matches this sound?
A: Long (>0.7 sec), harsh call. No clear harmonic bands, with peak spectral energy around 1500-1700 Hz. Flat pitch contour.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
C: A s... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E44", "call_type_original": "E44", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | 583c177f-7e9f-4d5b-882c-bd5cf71a0a14 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 7ad71efd9262b826a9a2b46865c6890e07c58bf849c93a9a04278851f1cceda8 | null | audio/calltype_36__00518113__2021_EB_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | 9110508d-5eb7-4fe0-b727-a897f3f97d7a | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: A quiet growl, more subdued than a grunt. Noisy, with some variation on whether harmonic str... | Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: A quiet growl, more subdued than a grunt. Noisy, with some variation on whether harmonic structure is apparent. Typical... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E36", "call_type_original": "E36", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 9110508d-5eb7-4fe0-b727-a897f3f97d7a | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | df41f9217236a48d6870a59739b69cd3aec59c2875c9b3d97a0b6a21764dcc11 | null | audio/calltype_66__00062760__2018_BC_Naranja_normed.wav | null | null | null | null | null | crow-description | null | 0c59b550-1e54-4a5d-a467-c38f0c4a018e | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A very brief, low-amplitude grunt (<0.1 sec) accompanied with bill clacks. Sometimes followed by a longer, higher-pitched, amplitude-modulated trill (0.5 sec or more). First note has harmonic bands as low as 200 Hz. Second note (if prese... | Which acoustic description best matches this sound?
A: A very brief, low-amplitude grunt (<0.1 sec) accompanied with bill clacks. Sometimes followed by a longer, higher-pitched, amplitude-modulated trill (0.5 sec or more). First note has harmonic bands as low as 200 Hz. Second note (if present) has most energy in 600-... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E66", "call_type_original": "E66", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 0c59b550-1e54-4a5d-a467-c38f0c4a018e | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 9014271ea0ea7da5e46ebfd650a75270c16099dc8a5a787453309743bc7b153c | null | audio/calltype_26__00576606__2021_LL_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | ef47b91b-6eab-42c7-86e9-21cb30ab311f | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A very brief, low-amplitude grunt (<0.1 sec) accompanied with bill clacks. Sometimes followed by a longer, higher-pitched, amplitude-modulated trill (0.5 sec or more). First note has harmonic bands as low as 200 Hz. Second note (if prese... | Which acoustic description best matches this sound?
A: A very brief, low-amplitude grunt (<0.1 sec) accompanied with bill clacks. Sometimes followed by a longer, higher-pitched, amplitude-modulated trill (0.5 sec or more). First note has harmonic bands as low as 200 Hz. Second note (if present) has most energy in 600-... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E26", "call_type_original": "E26", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | ef47b91b-6eab-42c7-86e9-21cb30ab311f | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | d0d9f27117cb006479cce295100db8bfa03fd9a7544316eae5251f1174fcbe08 | null | audio/calltype_51__00348034__2019_BV_Morado_normed.wav | null | null | null | null | null | crow-description | null | 807e219e-8520-4cec-bdd5-65530b782297 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second. The first often longer than the second.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched... | Which acoustic description best matches this sound?
A: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second. The first often longer than the second.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modula... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E51", "call_type_original": "E51", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 807e219e-8520-4cec-bdd5-65530b782297 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | bb11df1b2faa5ee7fc3dafa647c5cf7fd5aaf78c153cebf46a58a0668704d1a4 | null | audio/calltype_66__00294077__2019_BUCK_Azul_normed.wav | null | null | null | null | null | crow-description | null | a5ecab18-c0db-4ee0-ab3f-1bc142b4cde4 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A very brief, low-amplitude grunt (<0.1 sec) accompanied with bill clacks. Sometimes followed by a longer, higher-pitched, amplitude-modulated trill (0.5 sec or more). First note has harmonic bands as low as 200 Hz. Second note (if prese... | Which acoustic description best matches this sound?
A: A very brief, low-amplitude grunt (<0.1 sec) accompanied with bill clacks. Sometimes followed by a longer, higher-pitched, amplitude-modulated trill (0.5 sec or more). First note has harmonic bands as low as 200 Hz. Second note (if present) has most energy in 600-... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E66", "call_type_original": "E66", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | a5ecab18-c0db-4ee0-ab3f-1bc142b4cde4 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 6d099102440e611bacf48aed89e96daadd7e657628b6f8d0373c475b7116ac49 | null | audio/calltype_44__00103694__2018_N1_Azul_normed.wav | null | null | null | null | null | crow-description | null | f2d5e348-b51c-4174-b34e-4fb55810cbbb | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second. The first often longer than the second.
B: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill... | Which acoustic description best matches this sound?
A: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second. The first often longer than the second.
B: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
C: A succession of... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E44", "call_type_original": "E44", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | f2d5e348-b51c-4174-b34e-4fb55810cbbb | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 3794b0935023e3b7742126358f78f788298889caafa08f6e7881eb909dbe16b4 | null | audio/calltype_44__00350789__2019_CA_Rosa_normed.wav | null | null | null | null | null | crow-description | null | 0dd8f088-f3ab-470b-85c1-829cf63836ab | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Short (<0.2 sec), high-pitched succession of two notes. First has no AM and strong harmonic bands beginning around 1100 Hz. Second has AM and more apparent upper harmonics. Each note has flat pitch contour.
B: High-pitched trill, lasting... | Which acoustic description best matches this sound?
A: Short (<0.2 sec), high-pitched succession of two notes. First has no AM and strong harmonic bands beginning around 1100 Hz. Second has AM and more apparent upper harmonics. Each note has flat pitch contour.
B: High-pitched trill, lasting 0.5-1 sec. Strong harmonic... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E44", "call_type_original": "E44", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 0dd8f088-f3ab-470b-85c1-829cf63836ab | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 28a6a9f2313aa8322cdc35960aec2e4e70b2633faea2c0f36b439526b5aae37a | null | audio/calltype_67__00088510__2018_CT_Rosa_normed.wav | null | null | null | null | null | crow-description | null | c3f26ce3-8ee5-4db6-8968-7827a6f5adaf | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: High frequency, short (0.1 sec) ascending "zip" note. No clear harmonic bands, with most energy in 600-1500 Hz range.
B: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
C: A loud, descending, amplitude-modulated call (~0.5 sec), ... | Which acoustic description best matches this sound?
A: High frequency, short (0.1 sec) ascending "zip" note. No clear harmonic bands, with most energy in 600-1500 Hz range.
B: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
C: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 s... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E67", "call_type_original": "E67", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | c3f26ce3-8ee5-4db6-8968-7827a6f5adaf | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 16b293f4945e304716fb1d105eb02375e2d700aa165411fb1ac95ff4424208aa | null | audio/calltype_47__00595732__2021_LL_Verde_normed.wav | null | null | null | null | null | crow-description | null | 30b4f4ce-5003-449e-9744-a9b5f0dcabea | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spectral bands are less pronounced than in louder grunt varian... | Which acoustic description best matches this sound?
A: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spectral bands are less pronounced than in louder grunt variants. Duration ranges from sh... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E47", "call_type_original": "E47", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 30b4f4ce-5003-449e-9744-a9b5f0dcabea | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | a80b15be04e0c003707deee13377a701faaabfdf65271dd889142b0c4421201b | null | audio/calltype_47__00261692__2019_BA_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | 2180bf30-7cf7-4df9-8f4a-f5f7e7dd1ee6 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
B: A brief, high-pitched accent note followed by a longer (>0.5 sec) whine or honk. Both parts have pronounced harmonics, with ... | Which acoustic description best matches this sound?
A: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
B: A brief, high-pitched accent note followed by a longer (>0.5 sec) whine or honk. Both parts have pronounced harmonics, with fundamental frequency ~1000... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E47", "call_type_original": "E47", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 2180bf30-7cf7-4df9-8f4a-f5f7e7dd1ee6 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | d0fb2c385dabed7c75f3c180fb1824af775424c898d15778490756db3a0bbbf2 | null | audio/calltype_51__00099362__2018_CT_Rosa_normed.wav | null | null | null | null | null | crow-description | null | ce3e67d8-9f65-4e9b-b939-a9cfcbe3249c | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same fundamental.
B: A short (<0.1 sec) high-pitched harmonic stack followed by a longer (>... | Which acoustic description best matches this sound?
A: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same fundamental.
B: A short (<0.1 sec) high-pitched harmonic stack followed by a longer (>0.3 sec) descending, amplit... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E51", "call_type_original": "E51", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | ce3e67d8-9f65-4e9b-b939-a9cfcbe3249c | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | aa72b9ea625616cf46e97bb133779b4b6ba2c29cb20bdd4d1d482baccb0696a7 | null | audio/calltype_51__00321601__2019_BV_Azul_normed.wav | null | null | null | null | null | crow-description | null | 3487a4ca-cf79-41f2-9078-b093841727ed | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spectral bands are more pronounced than in quieter grunt varia... | Which acoustic description best matches this sound?
A: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spectral bands are more pronounced than in quieter grunt variants. Duration ranges from s... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E51", "call_type_original": "E51", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 3487a4ca-cf79-41f2-9078-b093841727ed | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | d0a08b4ec1971a991a7b153a32210fd08cb5dcbd2c7af0612e62427c415d371d | null | audio/calltype_47__00586784__2021_LL_Verde_normed.wav | null | null | null | null | null | crow-description | null | a3898190-cbe9-4b42-9369-89c2050c86d6 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Long (>0.7 sec), harsh call. No clear harmonic bands, with peak spectral energy around 1500-1700 Hz. Flat pitch contour.
B: A succession of two notes, ~0.7 sec. First note higher-pitched without amplitude modulation. Second sometimes lon... | Which acoustic description best matches this sound?
A: Long (>0.7 sec), harsh call. No clear harmonic bands, with peak spectral energy around 1500-1700 Hz. Flat pitch contour.
B: A succession of two notes, ~0.7 sec. First note higher-pitched without amplitude modulation. Second sometimes longer, lower-pitched with amp... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E47", "call_type_original": "E47", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | a3898190-cbe9-4b42-9369-89c2050c86d6 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 6beeab8d956e95c88f66a166536ee5951eb062831b9213383afc86c215e36f4d | null | audio/calltype_67__00601205__2021_LL_Verde_normed.wav | null | null | null | null | null | crow-description | null | 8bf4f73c-2ed1-4b6c-9979-505a1d5539dd | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second.... | Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second. The first often longer tha... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E67", "call_type_original": "E67", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 8bf4f73c-2ed1-4b6c-9979-505a1d5539dd | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | cb350bbccfe48d198c2a05ad8c0509fdf13ee567f49c5bca319438422afa3649 | null | audio/calltype_67__00575735__2021_LL_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | bcc1417f-1547-4fa4-aab5-bc1643013668 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
B: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
C: A honking call (~0.4 sec), with amplitude modulation and overall flat frequency contour. Mo... | Which acoustic description best matches this sound?
A: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
B: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
C: A honking call (~0.4 sec), with amplitude modulation and overall flat frequency contour. Most energy concentrated in a... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E67", "call_type_original": "E67", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | bcc1417f-1547-4fa4-aab5-bc1643013668 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 3d2aee6083fdfbf42b612258548423659161782e0ff4270ddbb6a0f7e4864e2e | null | audio/calltype_44__00101621__2018_CT_Rosa_normed.wav | null | null | null | null | null | crow-description | null | 2749b195-c99a-419c-9ee4-637b8dae1669 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
B: A honking call (~0.4 sec), with amplitude modulation and overall flat frequency contour. Most energy... | Which acoustic description best matches this sound?
A: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
B: A honking call (~0.4 sec), with amplitude modulation and overall flat frequency contour. Most energy concentrated in a single f... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E44", "call_type_original": "E44", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 2749b195-c99a-419c-9ee4-637b8dae1669 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | d63bd4559ab24a097fc87eaedd142c7acfc4ae4a7d9619d096dd0162af9e235b | null | audio/calltype_67__00369384__2019_CW_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | ce8f0180-edf7-4766-a047-df5c4bcd57c2 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A very brief, low-amplitude grunt (<0.1 sec) accompanied with bill clacks. Sometimes followed by a longer, higher-pitched, amplitude-modulated trill (0.5 sec or more). First note has harmonic bands as low as 200 Hz. Second note (if prese... | Which acoustic description best matches this sound?
A: A very brief, low-amplitude grunt (<0.1 sec) accompanied with bill clacks. Sometimes followed by a longer, higher-pitched, amplitude-modulated trill (0.5 sec or more). First note has harmonic bands as low as 200 Hz. Second note (if present) has most energy in 600-... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E67", "call_type_original": "E67", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | ce8f0180-edf7-4766-a047-df5c4bcd57c2 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | e8a9474298e8849e2cf20054e7e9a5685a6d015b98b471c37f4f62f7f9fdfa6e | null | audio/calltype_36__00519353__2021_EB_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | 321333e4-d389-4685-861c-406e47a6fd30 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A high-pitched flat harmonic tone, ~0.3 sec long with peak energy around 1200 Hz.
B: A brief, high-pitched accent note followed by a longer (>0.5 sec) whine or honk. Both parts have pronounced harmonics, with fundamental frequency ~1000 ... | Which acoustic description best matches this sound?
A: A high-pitched flat harmonic tone, ~0.3 sec long with peak energy around 1200 Hz.
B: A brief, high-pitched accent note followed by a longer (>0.5 sec) whine or honk. Both parts have pronounced harmonics, with fundamental frequency ~1000 Hz for the initial note and... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E36", "call_type_original": "E36", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 321333e4-d389-4685-861c-406e47a6fd30 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | cb9528f462e3a4dd7c0092e8ec9110733e939d0ae237f3f26651f9c420003732 | null | audio/calltype_66__00026776__2018_AW_Roja_normed.wav | null | null | null | null | null | crow-description | null | f55aca2b-db60-4486-ad41-9630029c7919 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration r... | Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration ranges from short (<0.2 sec)... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E66", "call_type_original": "E66", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | f55aca2b-db60-4486-ad41-9630029c7919 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 69fd9a58b486bb153739356dea9ecc374578d13efc68803b8c0734c913e1f29f | null | audio/calltype_67__00337237__2019_BV_Morado_normed.wav | null | null | null | null | null | crow-description | null | edf35fee-7e5c-46c8-8931-51879a14d6ff | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
B: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 sec) accent note with spectral range extending higher. Both parts have clear harmonic structure... | Which acoustic description best matches this sound?
A: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
B: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 sec) accent note with spectral range extending higher. Both parts have clear harmonic structure.
C: A succession of two no... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E67", "call_type_original": "E67", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | edf35fee-7e5c-46c8-8931-51879a14d6ff | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 998a1fa52acf307dc0a11c1fda2362a47bfc77bdd050392541f8ee31b0b5e123 | null | audio/calltype_66__00213746__2019_AL_Naranja_normed.wav | null | null | null | null | null | crow-description | null | 3f92e468-a34c-4dcf-bb50-43a34daa8ea1 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
B: A very brief, low-amplitude grunt (<0.1 sec) accompanied with bill clacks. Sometimes followed by a longer, higher-pitched, amplitude-modulated trill (... | Which acoustic description best matches this sound?
A: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
B: A very brief, low-amplitude grunt (<0.1 sec) accompanied with bill clacks. Sometimes followed by a longer, higher-pitched, amplitude-modulated trill (0.5 sec or more). First not... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E66", "call_type_original": "E66", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | 3f92e468-a34c-4dcf-bb50-43a34daa8ea1 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | b00f52a87f1586e0834a8e22d3c29c3f240626570c433d8141d50aaf0d49bb6d | null | audio/calltype_72__00336795__2019_BV_Morado_normed.wav | null | null | null | null | null | crow-description | null | 6af8d589-c255-492e-bb54-2560d2eca2aa | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A typically long (>0.5 sec) eerie "oo", with most energy in 500-700 Hz range. Spectral content ranges from one dominant component (a whistle) to sounding biphonated. Often preceded by a brief, high-pitched accent note and accompanied wit... | Which acoustic description best matches this sound?
A: A typically long (>0.5 sec) eerie "oo", with most energy in 500-700 Hz range. Spectral content ranges from one dominant component (a whistle) to sounding biphonated. Often preceded by a brief, high-pitched accent note and accompanied with bill-clacks.
B: Short (<0... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E72", "call_type_original": "E72", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 6af8d589-c255-492e-bb54-2560d2eca2aa | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | a71c55467a8d1b769fe358299f8585670e65779f58e8a49f1e9c252800686f8e | null | audio/calltype_84__00451617__2021_BPBO_Azul_normed.wav | null | null | null | null | null | crow-description | null | ed1ba7ec-3682-48b8-9e09-999a426938cb | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A short (<0.1 sec) high-pitched harmonic stack followed by a longer (>0.3 sec) descending, amplitude-modulated tone. First note has harmonic bands beginning around 400 Hz, second descends from there.
B: Extremely brief (<0.05 sec) quiet ... | Which acoustic description best matches this sound?
A: A short (<0.1 sec) high-pitched harmonic stack followed by a longer (>0.3 sec) descending, amplitude-modulated tone. First note has harmonic bands beginning around 400 Hz, second descends from there.
B: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
C: Sh... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E84", "call_type_original": "E84", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | ed1ba7ec-3682-48b8-9e09-999a426938cb | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | b814f88a6b1a47638d3888919452fc35534ed74444ac98265368d643bcaf321c | null | audio/calltype_72__00430943__2019_N7_Morado_normed.wav | null | null | null | null | null | crow-description | null | c9f4ad8a-13de-4276-abb3-721f0dba3bb7 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
B: High-pitched trill, lasting 0.5-1 sec. Strong harmonic bands, with lowest around 1000 Hz. Amplitude and frequency modulated,... | Which acoustic description best matches this sound?
A: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
B: High-pitched trill, lasting 0.5-1 sec. Strong harmonic bands, with lowest around 1000 Hz. Amplitude and frequency modulated, around an overall flat fre... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E72", "call_type_original": "E72", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | c9f4ad8a-13de-4276-abb3-721f0dba3bb7 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 700a30d54b2a641e2527fc05619b79f9d037a5a2ce510c791ea9b62094f5d33f | null | audio/calltype_72__00064526__2018_BC_Naranja_normed.wav | null | null | null | null | null | crow-description | null | 461c98df-6c26-4f73-981e-6db86d10b609 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: A honking call (~0.4 sec), with amplitude modulation and overall flat frequency contour. Mos... | Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: A honking call (~0.4 sec), with amplitude modulation and overall flat frequency contour. Most energy concentrated in a ... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E72", "call_type_original": "E72", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 461c98df-6c26-4f73-981e-6db86d10b609 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 14903b2bb26cdec2c935f6ffc68a5718724ab89140413b1a6117045bf42579af | null | audio/calltype_74__00433257__2019_N7_Morado_normed.wav | null | null | null | null | null | crow-description | null | 750e8b47-d563-4a46-878e-02ccb7accb6a | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A high-pitched harmonic stack followed by a descending, amplitude-modulated tone. Shorter than similar two-part calls (<0.2 sec total), with harmonic bands starting around 1100 Hz for the first tone.
B: A whiny, nasally call, 0.5 sec or ... | Which acoustic description best matches this sound?
A: A high-pitched harmonic stack followed by a descending, amplitude-modulated tone. Shorter than similar two-part calls (<0.2 sec total), with harmonic bands starting around 1100 Hz for the first tone.
B: A whiny, nasally call, 0.5 sec or longer. Often descending in... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E74", "call_type_original": "E74", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 750e8b47-d563-4a46-878e-02ccb7accb6a | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 52791f635dc3abbf20d7a7186f21f95ac850ee031d5672dcff25fb727ab44eb0 | null | audio/calltype_75__00430450__2019_N7_Morado_normed.wav | null | null | null | null | null | crow-description | null | 22a02270-aa57-4838-aef5-46693356ca65 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Short (<0.2 sec), high-pitched succession of two notes. First has no AM and strong harmonic bands beginning around 1100 Hz. Second has AM and more apparent upper harmonics. Each note has flat pitch contour.
B: A subdued, low-amplitude vo... | Which acoustic description best matches this sound?
A: Short (<0.2 sec), high-pitched succession of two notes. First has no AM and strong harmonic bands beginning around 1100 Hz. Second has AM and more apparent upper harmonics. Each note has flat pitch contour.
B: A subdued, low-amplitude vocalization with less promin... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E75", "call_type_original": "E75", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 22a02270-aa57-4838-aef5-46693356ca65 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | e32a7ed6230a3a2dd6dccd5ed9815ee95702440a54e8af26939b4858635784ea | null | audio/calltype_66__00041164__2018_BC_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | 5f06de6a-ab98-4f2a-8542-e14a301dbaa7 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Short (<0.3 sec) guttural "pa-choo" rattles, often descending in pitch.
B: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 sec) accent note with spectral range extending higher. Both parts have clear ha... | Which acoustic description best matches this sound?
A: Short (<0.3 sec) guttural "pa-choo" rattles, often descending in pitch.
B: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 sec) accent note with spectral range extending higher. Both parts have clear harmonic structure.
C: A very... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E66", "call_type_original": "E66", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 5f06de6a-ab98-4f2a-8542-e14a301dbaa7 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 232dffd78237de20097a8f12d6e30e893179f671ccd25f59c169dc21c2284f00 | null | audio/calltype_74__00581266__2021_LL_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | aa648a3c-94ad-4968-9c91-6ac174aee443 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: High frequency, short (0.1 sec) ascending "zip" note. No clear harmonic bands, with most energy in 600-1500 Hz range.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more ampl... | Which acoustic description best matches this sound?
A: High frequency, short (0.1 sec) ascending "zip" note. No clear harmonic bands, with most energy in 600-1500 Hz range.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
C: A whin... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E74", "call_type_original": "E74", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | aa648a3c-94ad-4968-9c91-6ac174aee443 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 691ae976102a80a4f2210ac908b4e7264dffde943cdc5f327368b838ad21677c | null | audio/calltype_74__00243257__2019_AL_Rosa_normed.wav | null | null | null | null | null | crow-description | null | 07eba27c-9b61-4104-bc17-17c5b356523a | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Long (>0.7 sec), harsh call. No clear harmonic bands, with peak spectral energy around 1500-1700 Hz. Flat pitch contour.
B: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second. The first often long... | Which acoustic description best matches this sound?
A: Long (>0.7 sec), harsh call. No clear harmonic bands, with peak spectral energy around 1500-1700 Hz. Flat pitch contour.
B: A rapid succession of two tones (<0.3 sec total), the first higher in pitch than the second. The first often longer than the second.
C: A hi... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E74", "call_type_original": "E74", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 07eba27c-9b61-4104-bc17-17c5b356523a | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | d7d3820f4c9684a29565084f015108c4f7f7bd2d78226a0bd1cedb95a15bd48f | null | audio/calltype_72__00167470__2019_AL_Azul_normed.wav | null | null | null | null | null | crow-description | null | e8f3f049-d477-419b-9478-c44b80aa6557 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
B: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes... | Which acoustic description best matches this sound?
A: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
B: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequenc... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E72", "call_type_original": "E72", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | e8f3f049-d477-419b-9478-c44b80aa6557 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 4bc21f4b4a743a6bd2605f2e265400de6d6449a8d1727d72c9aeb6ae87fb4b05 | null | audio/calltype_51__00210310__2019_AL_Naranja_normed.wav | null | null | null | null | null | crow-description | null | 828559b7-4a37-4f0c-a9bd-48c0b57cdd68 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
B: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same fundamental.
C: Long (>0.7 ... | Which acoustic description best matches this sound?
A: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
B: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same fundamental.
C: Long (>0.7 sec), harsh call. No clear ... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E51", "call_type_original": "E51", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | 828559b7-4a37-4f0c-a9bd-48c0b57cdd68 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 5d061f0b5976a582fb5ac47748a5e65c3c76da8e2efbedec94ab23a4cf6794b3 | null | audio/calltype_75__00042374__2018_BC_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | 0c2364b3-35f4-4461-99bd-afac17c2730a | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Short (<0.2 sec), high-pitched succession of two notes. First has no AM and strong harmonic bands beginning around 1100 Hz. Second has AM and more apparent upper harmonics. Each note has flat pitch contour.
B: A rapid succession of two t... | Which acoustic description best matches this sound?
A: Short (<0.2 sec), high-pitched succession of two notes. First has no AM and strong harmonic bands beginning around 1100 Hz. Second has AM and more apparent upper harmonics. Each note has flat pitch contour.
B: A rapid succession of two tones (<0.3 sec total), the ... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E75", "call_type_original": "E75", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 0c2364b3-35f4-4461-99bd-afac17c2730a | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | fb04849b6c5bd350ceec9eb67714fe0d8e3d1369f1ca251c1d97daaedf573795 | null | audio/calltype_47__00261691__2019_BA_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | 7b6f8f7f-6292-4a45-90fb-b34f4b80fd74 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A succession of two notes, ~0.7 sec. First note higher-pitched without amplitude modulation. Second sometimes longer, lower-pitched with amplitude modulation. Less dramatic frequency jump between notes than similar two-part calls.
B: A w... | Which acoustic description best matches this sound?
A: A succession of two notes, ~0.7 sec. First note higher-pitched without amplitude modulation. Second sometimes longer, lower-pitched with amplitude modulation. Less dramatic frequency jump between notes than similar two-part calls.
B: A whiny, nasally call, 0.5 sec... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E47", "call_type_original": "E47", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 7b6f8f7f-6292-4a45-90fb-b34f4b80fd74 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | b7d71c0b71a5cd7e4476deb14ea183332642b9695d3ad2186b687e738e469877 | null | audio/calltype_84__00263753__2019_BA_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | 6a3aba3c-a120-49fc-acd4-9ee712fe8955 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Short (<0.3 sec) guttural "pa-choo" rattles, often descending in pitch.
B: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency... | Which acoustic description best matches this sound?
A: Short (<0.3 sec) guttural "pa-choo" rattles, often descending in pitch.
B: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced amplitude modulation than caw calls. Less of an up-and-down frequency trajectory. Spectral bands... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E84", "call_type_original": "E84", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 6a3aba3c-a120-49fc-acd4-9ee712fe8955 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | aeed3f87033d49f1694956390e7a7400203e76fd99e5495a2f18b7ba94542ef5 | null | audio/calltype_75__00625274__2021_N4_Naranja_normed.wav | null | null | null | null | null | crow-description | null | fff3fe30-fa69-46ab-abd6-e0ba7934a01c | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
B: A typically long (>0.5 sec) eerie "oo", with most energy in 500-700 Hz range. Spectral content range... | Which acoustic description best matches this sound?
A: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
B: A typically long (>0.5 sec) eerie "oo", with most energy in 500-700 Hz range. Spectral content ranges from one dominant compone... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E75", "call_type_original": "E75", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | fff3fe30-fa69-46ab-abd6-e0ba7934a01c | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 75818944137f310836c9c4e4074cf09de6b21c9ddc168bb4d9730396e84157a3 | null | audio/calltype_51__00062795__2018_BC_Naranja_normed.wav | null | null | null | null | null | crow-description | null | e043a548-b1f8-4f2c-9cb0-32c722f97de0 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Short (<0.2 sec), high-pitched succession of two notes. First has no AM and strong harmonic bands beginning around 1100 Hz. Second has AM and more apparent upper harmonics. Each note has flat pitch contour.
B: A short (<0.1 sec) high-pit... | Which acoustic description best matches this sound?
A: Short (<0.2 sec), high-pitched succession of two notes. First has no AM and strong harmonic bands beginning around 1100 Hz. Second has AM and more apparent upper harmonics. Each note has flat pitch contour.
B: A short (<0.1 sec) high-pitched harmonic stack followe... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E51", "call_type_original": "E51", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | e043a548-b1f8-4f2c-9cb0-32c722f97de0 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | b67f4583f2af5532b1aac37f7feb03a3c569b4c4dee5fd32b534b0e5f46bc56b | null | audio/calltype_84__00148559__2018_VAE_Roja_normed.wav | null | null | null | null | null | crow-description | null | a8ea2c01-7051-4e32-b115-4d758fe20833 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A succession of two notes, ~0.7 sec. First note higher-pitched without amplitude modulation. Second sometimes longer, lower-pitched with amplitude modulation. Less dramatic frequency jump between notes than similar two-part calls.
B: A s... | Which acoustic description best matches this sound?
A: A succession of two notes, ~0.7 sec. First note higher-pitched without amplitude modulation. Second sometimes longer, lower-pitched with amplitude modulation. Less dramatic frequency jump between notes than similar two-part calls.
B: A subdued, low-amplitude vocal... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E84", "call_type_original": "E84", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | a8ea2c01-7051-4e32-b115-4d758fe20833 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 0b35294fa105bc681ee57fc13568d4bcb60a60cd44804a905bfeec217be91dfd | null | audio/calltype_85__00054103__2018_BC_Naranja_normed.wav | null | null | null | null | null | crow-description | null | 756db1d2-366e-4ac2-8f63-e41b88900c71 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
B: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 sec) accent note with spectral range exte... | Which acoustic description best matches this sound?
A: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
B: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 sec) accent note with spectral range extending higher. Both parts ha... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E85", "call_type_original": "E85", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 756db1d2-366e-4ac2-8f63-e41b88900c71 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 9690a1cb9d5e4345e234a105919ed4c552d12e3572d7f8202964f85624d0dfaf | null | audio/calltype_74__00342130__2019_BV_Morado_normed.wav | null | null | null | null | null | crow-description | null | edcd3180-5234-4af0-88cb-f49f8612b0c6 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: Long (>0.7 sec), harsh call. No clear harmonic bands, with peak spectral energy around 1500-... | Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: Long (>0.7 sec), harsh call. No clear harmonic bands, with peak spectral energy around 1500-1700 Hz. Flat pitch contour... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E74", "call_type_original": "E74", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | edcd3180-5234-4af0-88cb-f49f8612b0c6 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | d052f72027161cb213d8d5fa5f00935242b772e9000221aa4f20e8904bf97334 | null | audio/calltype_84__00394866__2019_EB_Rojo_normed.wav | null | null | null | null | null | crow-description | null | 27fd0663-2b65-48d8-b632-9a67b8c28079 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
B: Short (<0.3 sec) guttural "pa-choo" rattles, often descending in pitch.
C: A brief (<0.1 sec) low-frequency harmonic "urk" s... | Which acoustic description best matches this sound?
A: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
B: Short (<0.3 sec) guttural "pa-choo" rattles, often descending in pitch.
C: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied wit... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E84", "call_type_original": "E84", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | 27fd0663-2b65-48d8-b632-9a67b8c28079 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 40789430ab20c61e9538bb4b85201551ff00b0de490854de7f2f1300fe3c2122 | null | audio/calltype_75__00209783__2019_AL_Naranja_normed.wav | null | null | null | null | null | crow-description | null | fe8570c2-f8f9-4c44-baf0-5ad0c1b86d0a | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 sec) accent note with spectral range extending higher. Both parts have clear harmonic structure.
B: Short (<0.2 sec), high-pitched succession of two notes... | Which acoustic description best matches this sound?
A: A loud, descending, amplitude-modulated call (~0.5 sec), followed by a brief (<0.1 sec) accent note with spectral range extending higher. Both parts have clear harmonic structure.
B: Short (<0.2 sec), high-pitched succession of two notes. First has no AM and stron... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E75", "call_type_original": "E75", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | fe8570c2-f8f9-4c44-baf0-5ad0c1b86d0a | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | b9586e5198bde463b4cbab4f92523c6541f896b4990bb869c4d2b2c169446ade | null | audio/calltype_100__00282654__2019_BD_Rosa_normed.wav | null | null | null | null | null | crow-description | null | eac31b78-d886-48db-b0c3-a28fa9ef4905 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: High frequency, short (0.1 sec) ascending "zip" note. No clear harmonic bands, with most energy in 600-1500 Hz range.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more ampl... | Which acoustic description best matches this sound?
A: High frequency, short (0.1 sec) ascending "zip" note. No clear harmonic bands, with most energy in 600-1500 Hz range.
B: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
C: Percus... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E100", "call_type_original": "E100", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | eac31b78-d886-48db-b0c3-a28fa9ef4905 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 559650d2ebe465985f3bd4f433dc443daac48408f1adc18daedb546c54476263 | null | audio/calltype_75__00552634__2021_FA_Rojo_normed.wav | null | null | null | null | null | crow-description | null | 5e9a74c0-4735-4d47-bf0f-2b321bf60df6 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
B: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
C: Short (<0.2 sec), high-pitched succes... | Which acoustic description best matches this sound?
A: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
B: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
C: Short (<0.2 sec), high-pitched succession of two notes. First ha... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E75", "call_type_original": "E75", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 5e9a74c0-4735-4d47-bf0f-2b321bf60df6 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 7968d4aa9f9e93c6f73f1299516351e08a33c2a56750c475cecf662ae832eeed | null | audio/calltype_72__00531163__2021_FA_Rojo_normed.wav | null | null | null | null | null | crow-description | null | e54236b3-e9bd-461c-8db8-8f18063e3340 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: High-pitched trill, lasting 0.5-1 sec. Strong harmonic bands, with lowest around 1000 Hz. Amplitude and frequency modulated, around an overall flat frequency contour.
B: A subdued, low-amplitude vocalization with less prominent spectral ... | Which acoustic description best matches this sound?
A: High-pitched trill, lasting 0.5-1 sec. Strong harmonic bands, with lowest around 1000 Hz. Amplitude and frequency modulated, around an overall flat frequency contour.
B: A subdued, low-amplitude vocalization with less prominent spectral bands and less pronounced a... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E72", "call_type_original": "E72", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | e54236b3-e9bd-461c-8db8-8f18063e3340 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 27f2f7bd1b18ddb13fb0f3600bd392dc8db536e4d3fc5d0ccd40b7bb581c8d0e | null | audio/calltype_92__00272834__2019_BA_Amarilla_normed.wav | null | null | null | null | null | crow-description | null | be4e176c-76a2-41bb-a832-804451ac25a8 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
B: Short (<0.2 sec), high-pitched succession of two notes. First has no AM and strong harmonic bands beginning around 1100 Hz. Second has AM and more app... | Which acoustic description best matches this sound?
A: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
B: Short (<0.2 sec), high-pitched succession of two notes. First has no AM and strong harmonic bands beginning around 1100 Hz. Second has AM and more apparent upper harmonics. Each... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E92", "call_type_original": "E92", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | be4e176c-76a2-41bb-a832-804451ac25a8 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 43d0ee5b83053d20e5e2cd0ae234452ac307e69538fccb1e18cba4beb91b428b | null | audio/calltype_92__00285752__2019_BPBO_Azul_normed.wav | null | null | null | null | null | crow-description | null | 602edf3e-b171-4b87-8caf-504ace4c4dfa | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A honking call (~0.4 sec), with amplitude modulation and overall flat frequency contour. Most energy concentrated in a single frequency band around 1200 Hz, although harmonics appear down to 200 Hz.
B: Extremely brief (<0.05 sec) quiet "... | Which acoustic description best matches this sound?
A: A honking call (~0.4 sec), with amplitude modulation and overall flat frequency contour. Most energy concentrated in a single frequency band around 1200 Hz, although harmonics appear down to 200 Hz.
B: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
C: Hig... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E92", "call_type_original": "E92", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 602edf3e-b171-4b87-8caf-504ace4c4dfa | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 0781cd8a134998c38efe5c7c35d42085c0f32f94d3df7e34055f60606969ec57 | null | audio/calltype_85__00331141__2019_BV_Azul_normed.wav | null | null | null | null | null | crow-description | null | 4e6609b8-0508-401f-9f33-45dd7ae16f04 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
B: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
C: Very ... | Which acoustic description best matches this sound?
A: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
B: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
C: Very short (0.1 sec), quiet grun... | C | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E85", "call_type_original": "E85", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | C | null | null | 4e6609b8-0508-401f-9f33-45dd7ae16f04 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 4e6bbcdc620c5cab99d8dddfe5a704d51a36778c2cec4bf1a936adf1d8364754 | null | audio/calltype_92__00350654__2019_CA_Rosa_normed.wav | null | null | null | null | null | crow-description | null | 352256fa-f974-41f9-916d-57c0ed5bcad2 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same fundamental.
B: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
C: A loud, des... | Which acoustic description best matches this sound?
A: A brief (<0.1 sec) low-frequency harmonic "urk" sound, often accompanied with bill clacks. Sometimes followed by a low-frequency pure tone of the same fundamental.
B: Extremely brief (<0.05 sec) quiet "tut" or "zip" sound.
C: A loud, descending, amplitude-modulate... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E92", "call_type_original": "E92", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 352256fa-f974-41f9-916d-57c0ed5bcad2 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | b91234e9b00391a586a1549e4bfc7f493c151fe07d3f7eaa7a161a1ddc482a28 | null | audio/caw0__00571173__2021_LL_Amarillo_normed.wav | null | null | null | null | null | crow-description | null | 2414127e-ecb8-40b6-82cb-47e70554c109 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration r... | Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration ranges from short (<0.2 sec)... | A | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "caw", "call_type_original": "caw0", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | A | null | null | 2414127e-ecb8-40b6-82cb-47e70554c109 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 4328e748cac60f4f9f92a41d7ad7911905f72a9c46c0ec5afb139d76fb649e93 | null | audio/calltype_85__00101348__2018_CT_Rosa_normed.wav | null | null | null | null | null | crow-description | null | 8e034c10-9149-4028-b2f6-fc1c5afeaf47 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Short (<0.3 sec) guttural "pa-choo" rattles, often descending in pitch.
B: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
C: A succession of two notes, ~0.7 sec. First note h... | Which acoustic description best matches this sound?
A: Short (<0.3 sec) guttural "pa-choo" rattles, often descending in pitch.
B: Very short (0.1 sec), quiet grunts. Most spectral energy around 400 Hz. Sometimes accompanied by bill clicks.
C: A succession of two notes, ~0.7 sec. First note higher-pitched without ampli... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E85", "call_type_original": "E85", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | 8e034c10-9149-4028-b2f6-fc1c5afeaf47 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 23d8dc3c2b95d7e10233181e86220627e50dc9c51088c2301601d33c074d1887 | null | audio/calltype_92__00099102__2018_CT_Rosa_normed.wav | null | null | null | null | null | crow-description | null | b32bdf2e-33c7-4b18-a584-993b907a2bc6 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
C: A rap... | Which acoustic description best matches this sound?
A: A whiny, nasally call, 0.5 sec or longer. Often descending in frequency contour with pronounced harmonics. Little-to-no amplitude modulation.
B: Percussive rattle calls, not guttural. Ranges in length from 0.1-0.5 sec or longer.
C: A rapid succession of two tones ... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E92", "call_type_original": "E92", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | b32bdf2e-33c7-4b18-a584-993b907a2bc6 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 99859c4ba2e9a0cba8ede2d1f8baadb94c7548821f3c389fb091b7c942aed0f2 | null | audio/calltype_102__00498473__2021_BQ_Naranja_normed.wav | null | null | null | null | null | crow-description | null | cddcc92b-a6c4-47a2-83ad-6d98829e9058 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
B: A high-pitched harmonic stack followed by a descending, amplitude-modulated tone. Shorter than simil... | Which acoustic description best matches this sound?
A: A succession of two tones, up to 0.5 sec. First note lower-pitched, second shorter and higher-pitched with more amplitude modulation.
B: A high-pitched harmonic stack followed by a descending, amplitude-modulated tone. Shorter than similar two-part calls (<0.2 sec... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E102", "call_type_original": "E102", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | cddcc92b-a6c4-47a2-83ad-6d98829e9058 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 26d6a497bfa601b19efa8745ec5b33b7e2e1a344c3e14fc01135e60147238220 | null | audio/calltype_85__00075252__2018_BC_Verde_normed.wav | null | null | null | null | null | crow-description | null | 2a66abad-02b7-4330-8d88-916607ace9e8 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration r... | Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration ranges from short (<0.2 sec)... | D | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E85", "call_type_original": "E85", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | D | null | null | 2a66abad-02b7-4330-8d88-916607ace9e8 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null | |
null | 88a855120f66b6fdd89453d11e8b1985d85f703e5bf657168651f88b57bdb488 | null | audio/calltype_102__00331796__2019_BV_Azul_normed.wav | null | null | null | null | null | crow-description | null | 9461532b-65e5-4096-8b75-a1b963ef9d26 | <Audio><AudioHere></Audio> Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration r... | Which acoustic description best matches this sound?
A: Typical crow "caw" sound. Stack of spectral bands, with maximum spectral energy between 1000 and 2000 Hz. Often amplitude modulated. Bands typically slope upwards at the beginning of the vocalization, and downwards at the end. Duration ranges from short (<0.2 sec)... | B | CC-BY-NC-4.0 | null | {"duration": 3.0, "sample_rate": 16000, "call_type": "E102", "call_type_original": "E102", "species": "Corvus corone", "species_common": "Carrion crow"} | null | null | null | B | null | null | 9461532b-65e5-4096-8b75-a1b963ef9d26 | null | null | null | null | 10.64898/2026.04.02.715916 | null | null | null | null | crow-description | null | null | 1 | null |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.