rule 34 2020 4 toes anatomically correct animal genitalia animal penis anthro ass balls big butt bird bodily fluids breasts canid canine canine penis canis claws cocker spaniel collar cum curvaceous curvy figure domestic duo ejaculation erection female fur genital fluids genitals german shepherd grinding hair harper telanadas herding hi res hindpaw hunting husky knot looking back male mammal mastery position messy nordic sled nude open mouth orgasm pastoral pawpads paws penis psy101 public public nudity rip character sex simple background smile spaniel spitz straight sweat thick thighs toes tongue tongue out voluptuous 4039316