rule 34 1boy 1girls all fours anthro anthro only anthrofied ass avian backsack balls beak bedroom eyes big ass black nose blue eyes both sexes in same situation brown body brown feathers bubble butt canine ears domestic duck duck hunt duck hunt duck hunt duck duo elbow gloves feathers female femboy flaccid fur furry girly gloves green body green feathers half closed eyes huge ass isolatedartest looking at viewer looking back male mammal multicolored body nintendo nude open mouth penis presenting presenting hindquarters raised tail signature simple background tail tail feathers take your pick tan fur thick thighs thighhighs white background 6892361