Rule 34 Dev - 5_toes anthro anus ass_up backsack balls barefoot beak bent_over black_body black_feathers black_penis butt duo erection feathered_wings feathers feet foreskin genitals happy hindpaw humanoid_feet humanoid_genitalia humanoid_penis looking_back looking_down looking_up male male/male narrowed_eyes nude on_ground open_mouth paws penis plantigrade presenting presenting_hindquarters raised_arm raised_tail shadow simple_background smile soles spread_butt spreading squint standing tail teeth toes white_background wings arlon3 mythology aquilus avian dinosaur gryphon lizard mythological_avian mythological_creature prehistoric_species reptile scalie monochrome|1489279470