FURVERT!

2011 abs anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro balls biceps bovid bovine bovine_genitalia bovine_penis brown_body brown_fur brown_hair cattle comparing comparing_penis duo ear_piercing equid equine equine_genitalia equine_penis erection fur genitals hair horn horse looking_at_genitalia looking_at_penis male male/male mammal morticus muscular muscular_male navel nipples nude on_lap pecs penis penis_size_difference piercing purple_background simple_background tapering_penis vein veiny_penis