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{"id": "bt-008336", "purpose": "calibration", "modality": "image_sound", "true_species_ebird": "kaicus1", "freq_tier": "rare", "geo_band": "tropical", "mnts": [], "query": "What bird is this, and how confident can you be?", "reachability": "truth_missing", "lat": -5.713366667, "lon": 133.0488439365, "date": "2017-10-06", "image": "https://static.inaturalist.org/photos/252827118/medium.jpg", "audio": "https://xeno-canto.org/956574/download"}
{"id": "bt-001469", "purpose": "calibration", "modality": "image", "true_species_ebird": "dabwar1", "freq_tier": "uncommon", "geo_band": "tropical", "mnts": [], "query": "What bird is this, and how confident can you be?", "reachability": "truth_missing", "lat": 11.9404000557, "lon": 108.4583133459, "date": "2025-12-22", "image": "https://static.inaturalist.org/photos/628318690/medium.jpg", "audio": null}
{"id": "bt-001657", "purpose": "calibration", "modality": "image", "true_species_ebird": "elefal1", "freq_tier": "common", "geo_band": "N", "mnts": [], "query": "What bird is this, and how confident can you be?", "reachability": "truth_missing", "lat": 35.8651099502, "lon": 23.3100203482, "date": "2022-09-03", "image": "https://static.inaturalist.org/photos/230502084/medium.jpeg", "audio": null}
{"id": "bt-008466", "purpose": "calibration", "modality": "image_sound", "true_species_ebird": "lemowl1", "freq_tier": "rare", "geo_band": "tropical", "mnts": [], "query": "What bird is this, and how confident can you be?", "reachability": "truth_missing", "lat": -7.8144033333, "lon": 131.222115, "date": "2018-08-20", "image": "https://static.inaturalist.org/photos/65316392/medium.jpg", "audio": "https://xeno-canto.org/417543/download"}
{"id": "bt-004155", "purpose": "calibration", "modality": "image", "true_species_ebird": "retspa1", "freq_tier": "uncommon", "geo_band": "tropical", "mnts": [], "query": "What bird is this, and how confident can you be?", "reachability": "truth_missing", "lat": -0.1994527137, "lon": 11.5801538156, "date": "2025-09-29", "image": "https://inaturalist-open-data.s3.amazonaws.com/photos/574841154/medium.jpg", "audio": null}
{"id": "bt-002527", "purpose": "calibration", "modality": "image", "true_species_ebird": "integr1", "freq_tier": "common", "geo_band": "N", "mnts": [], "query": "What bird is this, and how confident can you be?", "reachability": "truth_missing", "lat": 26.1402793202, "lon": 91.6658868268, "date": "2024-04-29", "image": "https://inaturalist-open-data.s3.amazonaws.com/photos/374209492/medium.jpeg", "audio": null}
{"id": "bt-002048", "purpose": "calibration", "modality": "image", "true_species_ebird": "grbbus1", "freq_tier": "rare", "geo_band": "tropical", "mnts": [], "query": "What bird is this, and how confident can you be?", "reachability": "truth_missing", "lat": 4.0464641216, "lon": 9.1132554155, "date": "2016-06-01", "image": "https://static.inaturalist.org/photos/3960983/medium.jpg", "audio": null}
{"id": "bt-001477", "purpose": "calibration", "modality": "image", "true_species_ebird": "damfly1", "freq_tier": "uncommon", "geo_band": "tropical", "mnts": [], "query": "What bird is this, and how confident can you be?", "reachability": "truth_missing", "lat": -7.0756692288, "lon": 128.6377714286, "date": "2022-10-21", "image": "https://inaturalist-open-data.s3.amazonaws.com/photos/337787253/medium.jpeg", "audio": null}
{"id": "bt-008634", "purpose": "calibration", "modality": "image_sound", "true_species_ebird": "magman1", "freq_tier": "common", "geo_band": "S", "mnts": [], "query": "What bird is this, and how confident can you be?", "reachability": "truth_missing", "lat": -30.5987180556, "lon": 30.512725, "date": "2014-06-08", "image": "https://inaturalist-open-data.s3.amazonaws.com/photos/299494541/medium.jpeg", "audio": "https://xeno-canto.org/1063805/download"}