rule 34 abstract background all fours anatomically correct anatomically correct anus anatomically correct balls anatomically correct genitalia anatomically correct penis animal genitalia animal penis anus ass black body black ears black fur black nose black pawpads black paws black pupils bodily fluids brown body brown collar brown eyes brown fur brown tail canid canine canine anatomy canine ears canine genitalia canine genitals canine penis canine sheath claws closed smile collar cum dipstick tail ears up erection eye scar facial scar feral fluffy fluffy tail fox front view fully sheathed fur genital fluids genitals grey claws headshot portrait knot leather collar looking at viewer male mammal markings model sheet multicolored tail multiple poses night night sky o ruff orange body orange fur pawpads paws penis pink anus pink penis portrait pose presenting presenting anus presenting balls presenting hindquarters pupils quadruped raised tail rear view red fox red fox f3ral scar sheath side view simple background slit pupils smile smiling at viewer smirk solo standing tail markings two tone tail white body white fur white inner ear white sheath 5782043