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Birds

Birds

Animal
Birds are a group of warm-blooded vertebrates constituting the class Aves, 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. Wikipedia
Lower classifications
Birds from en.wikipedia.org
Birds are a group of warm-blooded vertebrates constituting the class Aves characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, ...
Birds from www.allaboutbirds.org
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 ...
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Click a shape below to see birds in the category. Auks; Blackbirds; Chickadees; Crows and Jays; Doves; Ducks; Finches; Flycatchers; Game Birds ...
Birds from kids.nationalgeographic.com
Birds are warm-blooded vertebrates (vertebrates have backbones) and are the only animals with feathers. Although all birds have wings, a few species can't ...
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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 ...
Explore more than 800 North American bird species, learn about their lives and habitats, and how climate change is impacting their ability to survive.
Birds from www.britannica.com
Birds arose as warm-blooded, arboreal, flying creatures with forelimbs adapted for flight and hind limbs for perching. This basic plan has become so modified ...
Birds from www.nwf.org
North America is home to an incredibly diverse range of birds, from the majestic national icon—the bald eagle—to the remarkably resilient whooping crane.
Birds from birdsoftheworld.org
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 ...