Rule 34 Dev - 1boy 1girls 2d 2d_animation anatid animated anseriform anthro anus avian barefoot bird bit-maki blue_eyes breasts canine character_request chubby duo erection feathers female frame_by_frame fur furry furry_only goose inside larger_female larger_penetrated lying male mammal missionary_position naked nipples nude on_back original original_character original_characters penetration penis pussy red_fur sex size_difference small_dom_big_sub smaller_male straight tail testicles usnarbit vaginal_penetration white_feathers|3621567160