rule 34 2023 4 toes anus avian balls beak blue eyes brown hair brown mane brown tail chest tuft claws collar digital media artwork dinoalpaka dock ear tuft equid equine equine anus fan character feathered wings feathers feet feral foot fetish foot lick foot play fur genitals grey body grey feathers grey fur gryphon hair hasbro hi res hooves inner ear fluff inside leash leash pull licking long tail male malemale mammal mane my little pony mythological avian mythology night open mouth open smile pawpads paws pegasus puffy anus smile tail tail tuft talons toes tongue tongue out tuft wings 7916008