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SpeciesAnimaliaChordataAves (birds) | ||||
Aves (birds)Aves is the class of bipedal, endothermic (warm-blooded), vertebrate animals that lay eggs. There are approximately 10,000 species of living birds. See alsoRelated Page Hierarchy![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |