rule 34 2019 3 toes anthro anus ass ass up avian backsack balls beak bird bird feet claws duo duolingo duolingo erection feathered wings feathers feet fur genitals gobanire green body green feathers green fur humanoid genitalia humanoid penis looking back male male only mascot meme nude one eye closed owl paws penis perineum presenting presenting hindquarters raised tail red eyes simple background smile soles solo toe claws toes wings 3656056