rule 34 ai generated anatomically correct anatomically correct genitalia anus ass balls black anus black body black fur black nose canid canine canis detailed detailed background detailed fur feral fur genitals grass grin inner ear fluff looking at viewer looking back looking back at viewer male mammal mountains outdoors paws plant presenting presenting hindquarters raised tail rear view rock smile solo tan body tan fur tree tuft white body white fur wolf yellow eyes 9283975