Archaeopteryx is often considered the oldest known true bird. The first classification of birds was developed by Francis Willughby …

Use our Bird Guide to identify birds, learn about the life history, listen to the sounds, and watch bird behavior on video--the most …

eBird transforms your bird sightings into science and conservation. Plan trips, find birds, track your lists, explore range maps and bird …

We believe in the power of birds to ignite discovery and inspire action. Join us on a lifelong journey to enjoy, understand, and protect …

The Palaeognathae or "old jaws" is one of the two superorders recognized within the taxonomic class Aves and consist of the ratites …

May 4, 2026 · Bird, any of the approximately 11,200 living species unique in having feathers, the major characteristic that …

Explore more than 800 North American bird species, learn about their lives and habitats, and how climate change is impacting their …

Apr 3, 2026 · Discover the main types of birds, from common groupings like birds of prey and water birds to the 40 scientific bird …

Explore Species Maps, stats, photos, and sounds for any bird in the world, including personalized stats based on your eBirding …

Jun 12, 2026 · The most common anthropogenic threat to bird diversity is the constant degradation and loss of natural habitats. …