rule 34 animal genitalia animal penis anthro anus ass balls black body black fur black hooves black stripes black tail tuft blue eyes brown body brown fur brown head tuft brown inner ear fluff brown stripes brown tail equine penis erection fur genitals giraffid glistening glistening eyes head tuft hooves inner ear fluff male mammal okapi penis perineum presenting presenting anus red penis red tongue signature simple background solo spread butt spread legs spreading striped body striped fur striped legs stripes teeth tongue tongue out tuft white balls white body white fur white perineum white tail yaoifairy 6544408