rule 34 anthro anus aroused ass balls big butt biped black nose blush border collie butt heart canid canine canis cashmere cashmerix cheek tuft claws collie domestic facial tuft feet fingers floppy ears fur genitals grey body grey fur hand on butt harlem herding looking at viewer lying male mammal multicolored body multicolored fur nude on side pastoral pawpads paws perineum pink anus presenting presenting anus presenting hindquarters purple eyes sheep solo spots tuft 6202399