1+ billioneBird Observations
30+ millionMacaulay Library media
Subscribe to Birds of the World
Unlock species accounts, maps, multimedia, and bird family overviews.
Use promo code OCTOBERBIGDAY
Discount applies to first term only for new subscribers
Subscriptions for your organization
For public and academic libraries, government agencies, consulting firms, nature centers, nonprofits, and moreLearn more about institutional subscriptions
Special Member Access
For Cornell Lab Chairman's Council members, AOS members, Public Libraries, Bird Clubs and other organizationsSpecial Member Access
Every bird has a story
Take a deep dive into the remarkable lives of birds with this dynamic natural history resource.
Birds of the World engages the global ornithological community to create the most in-depth, science-based content to illustrate the life histories of birds and bird families.
How To Contribute
Authors interested in contributing their research results to Birds of the World can learn more here. Observers can contribute data and media through eBird and Macaulay Library.
Percentages are calculated based on 10,824 species in Birds of the World.
Data provided by IUCN (2022) Red List.
|Extinct in the Wild||
About Birds of the World
Birds of the World is a powerful resource that brings deep, scholarly content from four celebrated works of ornithology into a single platform where biologists and birders can find comprehensive life history information on birds. Every bird has a story. Discover them all with Birds of the World.