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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Theme wiki:
[erm "theme" may refer to:In music, a theme is the initial or primary melody.In film, television, and radio, theme music is a melody closely associated with the program.In literature, a theme is the unifying subject of the story.In computing, a theme is a custom graphical appearance for certain software, similar to a skin.In the Byzantine Empire, a thema was an administration and military recruitment district.
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