Rule 34 Dev - 2boys accipitrid accipitriform all_fours anal anal_knotting anal_sex animal_genitalia anthro anthro_on_feral anthro_penetrated avian beak bearded_vulture bird bodily_fluids claws closed_eyes clyde_wolf cum cumshot duo ejaculation erection feral feral_penetrating feral_penetrating_anthro fur furgonomics furry-specific_piercing gay gay_male gay_sex genital_fluids genital_piercing genitals grey_body grey_fur internal knotting male male/male muriat nude old_world_vulture penetration penis penis_tip piercing sex sheath sheath_piercing side_view vulture zoophilia|9391037936