anal anthro anthro_on_feral anus backsack balls bestiality big_anus big_balls big_butt black_anus black_body black_fur bodily_fluids butt chest_harness collar duo equine_anus eyes_closed feral fur genitals grey_body harness huge_anus huge_butt interspecies larger_feral larger_male looking_at_anus looking_back male male/male male_on_feral muscular muscular_feral muscular_male musk nose_to_anus oral perineum public public_nudity public_sex puffy_anus quadruped raised_tail rimming saliva saliva_on_anus sex size_difference smaller_anthro sniffing snout_fuck stadium submissive submissive_male sweat sweaty_anus sweaty_butt tongue tongue_out white_body white_fur anonymous_director canid canine canis domestic_dog equid equine horse mammal nordic_sled_dog spitz wolf hi_res