rule 34 ambiguous gender ambiguous pred anus avian balls bird blue body brown hair cutie mark equid equine fan character feathered wings feathers feral feral pred feral prey genitals hair hasbro hooves male male prey mammal mane my little pony oral vore pegasus pelecaniform pelican penis quadruped same size vore seaward skies variant artist vore water white body wings 5361639