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IFF Interleaved Bitmap Image  |  1996-04-27  |  21KB  |  320x240  |  4-bit (14 colors)
Labels: sketch | animal | beak | feather | bird
OCR: A bird's wing has the same bone structure as the forelimb of other land vertebrates. The feathers consist of a central quill and two vanes. Each vane has a network of criss- crossing barbs and barbules. The forward- pointing barbules are equipped with small hooks which catch on to the backward pointing barbules. This holds the whole structure of the vane.