Birds are vertebrates with feathers, modified for flight and for active metabolism. Birds are a monophyletic lineage, evolved once from a common ancestor, and all birds are related through that common origin.
Birds (class Aves) are a group of endothermic vertebrates, characterised by
feathers, a beak with no teeth, the laying of hard-shelled eggs, a high metabolic
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
Learn all you wanted to know about birds with pictures, videos, photos, facts, and
news from National Geographic.
People spend thousands of dollars each year keeping up with the latest interior design and home decorating trends -- but when is the last time you decided to redecorate your bird's
cage? While too much change can be stressful for birds
, it also benefits their mental he... More »
Here is a place for kids to see up close everything about birds, from nesting cams
A wealthy San Francisco socialite pursues a potential boyfriend to a small
Northern California town that slowly takes a turn for the bizarre when birds of all
After significant declines in population during much of the 20th century, our
national symbol has made a comeback in many areas since the 1970s. (Photo:
Photo: Sandra and Frank Horvath/Great Backyard Bird Count ... Photography
sourced in part from VIREO, the worldwide bird photography collection of the ...
American Bird Conservancy is the Western Hemisphere's bird conservation
specialist. We get results for birds throughout the Americas.