Evidence-backed facts
- Cornell Lab of Ornithology documents recent and historical bird observations, hotspots, regions, taxonomy, checklists, and product data. informative
- Requests require a documented API key for applicable endpoints; reads do not grant observer identity, record editing, validation, conservation, or Cornell authority. informative
- Clients must bind region or coordinates, species, date, distance, rank, locale, result limit, detail, and API key. informative
- Observations are community-contributed and filtered and can be delayed, obscured, revised, or spatially imprecise; they do not prove absence, abundance, identity, or habitat condition. informative