Are Birds Mammals?

Answer

Birds (class Aves) are bipedal, endothermic (warm-blooded), vertebrate animals that lay eggs. Birds are not mammals.
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1 Additional Answer
Ask.com Answer for: are birds mammals
Birds belong to the 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.
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