Rule 34 Dev - ambiguous_gender animal_genitalia anus backsack balls beak blue_body blue_feathers cloaca duo erection eyes_closed feathered_wings feathers feral feral_on_feral genitals green_cloaca green_eyes green_tongue hair interspecies knot legs_up lying male multicolored_body multicolored_feathers nude on_back open_mouth penetration penis raised_tail sex short_hair side_view simple_background spread_legs spreading tail tail_feathers tongue vertical_cloaca winged_arms wings tuke mythology cygnovum l0st avian bird gryphon mythological_avian mythological_creature 2014 digital_media_(artwork) hi_res|5469892540