Warm-blooded animals with wings and feathers Birds are a group of warm-blooded vertebrate animals constituting the class Aves, characterised by feathers, toothless beaked jaws, the laying of hard …

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

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

Bird, any of the approximately 11,200 living species unique in having feathers, the major characteristic that distinguishes them from other animals. They are warm-blooded vertebrates more related to …

Learn the 35 different types of COMMON BIRDS in Arkansas, AND how to identify them. How many of these bird species have YOU seen?

Jun 12, 2026 · The most common anthropogenic threat to bird diversity is the constant degradation and loss of natural habitats. Other threats include long-line fishing bycatch, overhunting, competition from …

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

Jun 28, 2026 · Discover the main types of birds, from common groupings like birds of prey and water birds to the 40 scientific bird orders. Explore examples, classification, and bird diversity worldwide.

Detailed information for more than 600 North American bird species, including ID help, browse by shape and taxonomy, and deeper articles.

Birds Facts Birds, members of the class Aves, include more than 10,400 living bird species – more than half being passerine, or “perching” birds. Their feathers distinguish them from all other classes of …