animal_genitalia animal_penis balls beak equine_genitalia equine_penis feathered_wings feathers feral fluffy genitals glowing glowing_genitalia glowing_penis horn hybrid_genitalia hybrid_penis knot knotted_equine_penis lying male neck_tuft on_back penis presenting presenting_penis pupils red_eyes red_horn red_penis simple_background slit_pupils solo spread_legs spreading thick_tail tuft wings oldhroft avian gryphon hybrid mythological_avian hi_res