Rule 34 Dev - anal anal_penetration anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis balls bite biting_another biting_partner bodily_fluids collar cum cum_in_ass cum_inside cumshot duo ejaculation eyes_closed feral feral_on_feral feral_penetrated feral_penetrating genital_fluids genitals knot knot_in_sheath male male/male penetration penis rough_sex scruff_bite sex sheath tail teeth thylacine_penis graveyards bloodpelt thylus canid canine canis dasyuromorph hybrid mammal marsupial recently_extinct_species thylacine werecreature wolf|9981403075