Rule 34 Dev - 2016 all_fours anal anal_sex animal_genitalia animal_penis anthro anthro_on_feral anus avian balls beak blue_eyes brown_feathers canine_penis cum cum_in_ass cum_inside doggy_style feathers feral from_behind_position grey_feathers gryphon knot looking_back male male_only one_eye_closed outside penetration penis purra red_eyes sex size_difference yaoi zoophilia|2393804624