Source: http://commons.wikimedia.org/wiki/File:GAME_COCK_%28PSF%29.png
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This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain.
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See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher

Tags: externalsource, animal, bird, fowl, cock, biology, zoology, ornithology, b_w, outline, line_art, wikimedia_commons, psf