rule 34 anal anal sex animal genitalia animal penis animal pussy anus balls brown balls brown mane brown tail crotch breasts ear piercing ear ring equid equine equine anus equine genitalia equine penis equine pussy erection eyelashes feathers feral feral only genitals green tentacles grey hooves grey horn herm hi res hooves horn huskii s intersex intersex only leg markings mammal mane markings narrowed eyes oral oral penetration penetration penis piercing pink eyes pink penis pussy ring piercing simple background socks marking solo tail tan body tan feathers tan wings tentacle tentacle around leg tentacle in ass tentacle in mouth tentacle in pussy tentacle penetration vaginal penetration white background 8968370