Birds are a group of warm-blooded theropod dinosaurs constituting the class Aves, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a …

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

Check out the latest in-person and virtual events from Birds Georgia. Twice each year, billions of birds take on the incredible journey of migration. Migrating primarily at night, the birds use our …

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 Nort

Oct 15, 2025 · eBird transforms your bird sightings into science and conservation. Plan trips, find birds, track your lists, explore range maps and bird migration—all free.

Birds are found worldwide and in all habitats. The largest is the nine-foot-tall ostrich. The smallest is the two-inch-long bee hummingbird. Everything about the anatomy of a bird reflects its...

Oct 13, 2025 · bird, (class Aves), any of the more than 10,400 living species unique in having feathers, the major characteristic that distinguishes them from all other animals.

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 …

Discover bird species in Athens! Learn about common backyard birds, migration patterns, and the best birdwatching spots in Athens, Georgia.

We believe birds are a gateway to caring for the natural world. Help us spark curiosity and foster learning, starting with the earliest ages, through the college years, and lasting a lifetime.