Rule 34 Dev - ambiguous_gender ambiguous_on_human animal_genitalia avian_butt beak bent_over bestiality blush butt cloaca cloacal cloacal_penetration duo feathers feral feral_penetrated first_person_view genitals human_on_feral human_penetrating human_penetrating_feral interspecies larger_human larger_male looking_at_viewer looking_pleasured male male_on_feral on_top open_mouth penetration penis raised_tail sex simple_background size_difference smaller_ambiguous smaller_feral smile solo_focus tail tongue tongue_out raidez avian bird human mammal von_der_decken's_hornbill absurd_res hi_res|8794356935