rule 34 anthro anus ass ass up backsack balls biped canid canine canis claws countershade butt countershade face countershade fur countershade torso countershading dipstick tail erection fur genitals girly glans green eyes grey body grey fur hi res humanoid genitalia humanoid penis inner ear fluff jack o pose looking back male mammal markings pawpads penis perineal raphe perineum raphe anatomy rear view smile solo tail tail markings theeasterncrocus tuft viskasunya wolf 8464626