Rule 34 Dev - 2020 anthro anus ass ass_up balls barefoot bighorn_sheep biped bovid caprine detailed_background digital_media_(artwork) erection eyebrows feet furry_only genitals glans greyscale hair hooves horn humanoid_genitalia humanoid_penis inner_ear_fluff looking_at_viewer looking_back lying male mammal monochrome on_front outside penis perineum presenting presenting_hindquarters sheep short_hair smile snout solo tassy tuft underhoof|4819251208