african_sivatherium ambiguous_gender ancient_giraffid animal_genitalia antlers asiatic_sivatherium barely_visible_genitalia barely_visible_sheath binomial_nomenclature climacoceratid climacoceros english_text european_sivathere feral fully_sheathed genitals giraffe giraffid giraffokeryx group hooves horn horn-nosed_sivathere latin_text long_neck looking_aside looking_away lying male mammal mane okapi on_front ossicone prolibytherium quadruped scientific_name sheath side_view simple_background sivathere sivatherium size_difference snout species_name spots stag-horn_giraffid standing stripes tagging_guidelines_illustrated tail tail_tuft text tuft unknown_artist white_background zoobooks
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