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
Scientific name: Aves
Class: Aves; Linnaeus, 1758
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Lower classifications
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Birds are a group of warm-blooded vertebrates constituting the class Aves characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, ...
Bird, any of the more than 10400 living species unique in having feathers, the major characteristic that distinguishes them from other animals.
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 ...
Feathers are not the only thing that defines an animal as a bird, they also have wings, lay eggs, build nests and have specialized beaks and feet. FEATHERS!
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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 have three characteristics that distinguish them from other animals: feathers; hard-shelled eggs; and hollow bones. FEATHERS: Feathers are an adaptation ...
Explore more than 800 North American bird species, learn about their lives and habitats, and how climate change is impacting their ability to survive.
Welcome to Our Bird GuideID help and life history info for 600+ North American species. Search Search. Or Browse Bird Guide by Family or Shape.
As predators and scavengers, birds of prey are vital to balanced and healthy ecosystems. We have national and internatio...