Discover the world of birds

Comprehensive life histories for all bird species and families
  • 11,017
    Species
  • 251
    Families
  • 1.5+ billion
    eBird Observations
  • 59,621,397
    Macaulay Library media
  • 2,141
    Authors

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Unlock species accounts, maps, multimedia, and bird family overviews.

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Valid until 31 Mar 2024

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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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News and Webinars

Red-legged Seriema
BOW Team January 29, 2024
We are happy to announce that Aves Uruguay, the leading organization for the study and conservation of birds in Uruguay, has joined the Birds of the World alliance, a global network scientists, researchers, institutions, and organizations who are unlocking transformative insights into ornithology by curating and archiving vast amounts of ecological data, observations, maps, and […]

Conservation Status

Percentages are calculated based on 11,017 species in Birds of the World.

Data provided by IUCN (2023) Red List.
More information

Conservation status
Least Concern
71.3%
Near Threatened
7.9%
Vulnerable
6.2%
Endangered
3.5%
Critically Endangered
2%
Extinct in the Wild
0.05%
Extinct
1.4%
Not Evaluated
0%
Data Deficient
0.34%
Unknown
7.4%

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.

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