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.
See more at Wikipedia.org...
Wallpaper wiki:
>This page refers to the material used for interior decoration. For other uses, see wallpaper (disambiguation). Wallpaper is material which is used to cover and decorate the interior walls of homes, offices, and other buildings; it is one aspect of interior decoration. Wallpapers are usually sold in rolls and are put onto a wall using wallpaper paste.
See more at Wikipedia.org...