FURVERT!

anal anal_penetration avian awe beak equid equine erection feathered_wings feathers feral feral_on_feral foursome genitals group group_sex gryphon hooves horn interspecies larger_male male male/male male_penetrated male_penetrating male_penetrating_male mammal mythological_avian mythological_creature mythological_equine mythology nude penetration penis sex size_difference smaller_male tail traditional_media_(artwork)unicorn wings