Man wiki:
>This article concerns man in the sense of "human male". For other meanings of man see Man (disambiguation). A man is a male human adult, in contrast to an adult female, which is a woman. The term man (irregular plural: men) is a term used to indicate either a person generally, or a male person specifically.
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Bird wiki:
>For other uses, see Bird (disambiguation). Many - see section below. Birds are bipedal, warm-blooded, egg-laying vertebrates characterized primarily by feathers, forelimbs modified as wings, and hollow bones. Birds range in size from the tiny hummingbirds to the huge Ostrich and Emu. Depending on taxonomic viewpoint, there are about 8,800â10,200 living bird species (plus about 120â130 that have become extinct in the span of human history) in the world, making them the most diverse class of terrestrial vertebrates.
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