Rule 34 Dev - 2022 animal_genitalia arthropod balls blue_eyes brown_body brown_hair brown_mane brown_tail bucking digital_media_(artwork) dipteran dolero equid equine equine_anus feral frown genitals hair hi_res hooves horse insects kukan97 looking_back male mammal mane raised_tail sheath simple_background solo tail text url|8155440248