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Bird

en.wikipedia.org/wiki/Bird

Birds (Aves) are a group of endothermic vertebrates, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, ...

Search for a bird by entering name, description, and keywords, All ...

www.allaboutbirds.org/guide/

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 ...

Birds, Bird Pictures, Wild Birds - National Geographic

animals.nationalgeographic.com/animals/birds/

Learn all you wanted to know about birds with pictures, videos, photos, facts, and news from National Geographic.

Guide to North American Birds | Audubon

www.audubon.org/bird-guide

Photography sourced in part from VIREO, the worldwide bird photography collection of the Academy of Natural Sciences of Drexel ... Some of Our Favorite Birds ...

American Bird Conservancy: Home

abcbirds.org/

American Bird Conservancy is the Western Hemisphere's bird conservation specialist. We get results for birds throughout the Americas.

Celebrate Urban Birds

celebrateurbanbirds.org/

“Volando por la Península” Bird Festival a success! Spring Youth Workshop a Success! We need your observations! Celebrate Hummingbirds! Short on Space ?

— Welcome — Birds of North America Online

bna.birds.cornell.edu/

A reference series on North American birds, with information and sample profiles.

The Birds (1963) - IMDb

www.imdb.com/title/tt0056869/

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 kinds ...

eNature: FieldGuides: Birds

www.enature.com/fieldguides/intermediate.asp?curGroupID=1

eNature Field Guide to Birds -- Comprehensive guide to America's birds with species pictures, field descriptions, range maps, bird calls, habitat information and ...

Smithsonian Migratory Bird Center

nationalzoo.si.edu/scbi/migratorybirds/

The Smithsonian Migratory Bird Center is dedicated to understanding, conserving and championing the grand phenomenon of bird migration. Founded in 1991 ...

Answer
Class Aves
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. More >>
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Online bird guide, bird ID help, life history, bird sounds from Cornell

www.allaboutbirds.org

Comprehensive guide to North American birds and bird watching from the Cornell Lab of Ornithology. Includes Bird Guide with identification, life history, sound ...

Birds | Audubon

www.audubon.org

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: Jan ...

Birds

www.birds.cornell.edu

Here is a place for kids to see up close everything about birds, from nesting cams to migration.