Bird - Wikipedia
WEBBirds are a group of warm-blooded vertebrates constituting the class Aves ( / ˈeɪviːz / ), 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.
Bird | Description, Species, Classification, Types, & Facts
WEB1 day ago · 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. Learn more about birds in this article.
Guide to North American Birds | Audubon
WEBExplore more than 800 North American bird species, learn about their lives and habitats, and how climate change is impacting their ability to survive.
Bird Pictures & Facts - National Geographic
WEBAnimals. Photo Ark. Horned screamer. Learn More. About Birds. Birds are vertebrate animals adapted for flight. Many can also run, jump, swim, and dive. Some, like penguins, have lost the...
Online bird guide, bird ID help, life history, bird sounds from …
WEBUse 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.
All About Birds | Birds, Cornell Lab of Ornithology
WEBAll About Birds is your free online guide to birds and bird watching. Explore in-depth species information, tips from the Lab’s experts, and inspirational v ...
Birds of the World - Cornell Lab of Ornithology
WEBBirds 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 comprehensive life history information on birds. Every bird has a story. Discover them all with Birds of the World. About Birds of the World; Team; Subscribe
Search, All About Birds, Cornell Lab of Ornithology
WEBDetailed information for more than 600 North American bird species, including ID help, browse by shape and taxonomy, and deeper articles.
eBird - Discover a new world of birding...
WEBeBird transforms your bird sightings into science and conservation. Plan trips, find birds, track your lists, explore range maps and bird migration—all free.
Discover Birds | Audubon
WEBScroll through and see if your bird looks similar to any of them! Also be sure to check out our primer on 20 of the most common species people encounter on a daily basis. Birds You Can See Everywhere
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