- 10,721Species
- 249Families
- 925+ millioneBird Observations
- 25+ millionMacaulay Library media
- 1,959Authors
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Every bird has a story
Take a deep dive into the remarkable lives of birds with this dynamic natural history resource.
Scholarly Content
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.
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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.
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Conservation Status
Percentages are calculated based on 10,721 species in Birds of the World.
Data provided by IUCN (2020) Red List.
More information
The IUCN (2020) Red List is based on a different taxonomy than Birds of the World. As such, we can only display conservation status for taxa where the two taxonomies match at the species level. For all unmatched taxa, the conservation status is "Unknown".
|Least Concern||LC|
|Near Threatened||NT|
|Vulnerable||VU|
|Endangered||EN|
|Critically Endangered||CR|
|Extinct in the Wild||EW|
|Extinct||EX|
|Not Evaluated||NE|
|Data Deficient||DD|
|Unknown|
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.