Birds are a group of warm-blooded vertebrates constituting the class Aves (Latin: [ˈaːwεs]), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.

Learn the most common birds found in Seattle, Washington AND how to identify them. How many of these bird species have YOU seen?

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

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

Have you wondered what those birds are that are visiting your backyard in Washington? Well, this guide will help you to find out how to identify these birds by sight and sound and what time of year you can spot them in Washington. Also, get a free ID chart to print with the most common backyard birds in Washington.

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

Mar 18, 2025 · Bird, any of the more than 10,400 living species unique in having feathers, the major characteristic that distinguishes them from other animals. They are warm-blooded vertebrates more related to reptiles than mammals.

Birds Accounts of Washington's bird species with images, maps, and sounds. Birding Sites and Ecoregions Washington's ecoregions and favorite birding sites in each.

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 vertebrate animals adapted for flight. Many can also run, jump, swim, and dive. Some, like penguins, have lost the ability to fly but retained their wings. Birds are found worldwide...