Are Birds Mammals?


Birds (class Aves) are bipedal, endothermic (warm-blooded), vertebrate animals that lay eggs. Birds are not mammals.
Q&A Related to "Are Birds Mammals"
Birds and mammals both evolved from reptiles, although they each evolved from a different type of reptile. Mammals first appeared about 225 million years ago and underwent a dramatic
They are warmblooded animals. Both are vertebrates and so the bone structures are broadly similar. Birds are more closely related to Reptiles than to mammals.
The main defining characteristic of mammals is that they suckle their young on milk -
Birds evolved from dinosaurs.....mammals split off from from common ancestors of dinosaurs all the way back in the carbonifreous period. It separated and the mammal side went on to
1 Additional Answer 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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