Rule 34 Dev - 2015 all_fours anatomically_correct anatomically_correct_penis animal_genitalia animal_penis anthro anthro_on_feral ass_up balls black_border black_fur black_hair blue_eyes border brown_eyes brushfire claws cloud day detailed_background draft_horse duo equine equine_penis erection feathering feline fence feral flower fur gay grey_fur grin hair hooves horse horsecock imminent_sex larger_male male male_on_feral male_only mammal mane medial_ring multicolored_fur outside pawpads penis plant quadruped shire signature size_difference sky smaller_male teeth two_tone_fur underwear_around_one_leg vein veiny_penis voyeur white_fur yaoi zoophilia|2285312344