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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 Kingdom: Animalia (animals) Class: Amphibia (amphibians) Class: Aves (birds) Order: Anseriformes (waterfowl) Order: Charadriiformes (shorebirds) Order: Coliiformes (mousebirds) Order: Galliformes (fowl) Order: Gaviiformes (loons) Order: Gruiformes (cranes) Order: Opisthocomiformes (hoatzin) Order: Pelecaniformes (pelicans) Order: Podicipediformes (grebes) Order: Psittaciformes (parrots) Order: Sphenisciformes (penguins) Order: Strigiformes (owls) Order: Struthioniformes (ratites) Order: Trogoniformes (trogons) Class: Mammalia (mammals) Class: Reptilia (reptiles) |
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