Rule 34 Dev - animal_genitalia animal_penis anthro avian balls beak big_wings bioluminescence bird black_beak black_body black_feathers black_fur black_scales black_wings book claws corvid corvus_(genus) curvy_figure dream dsw7 equid equine equine_genitalia equine_penis equine_sheath erection european european_mythology fanged_beak feathers feet fetlocks fire fire_eyes flaming_hooves flared_penis fur genitals glowing glowing_hooves greek greek_mythology green_hooves hi_res hippogriff hoofprint hooves horse horse_tail hourglass_figure long_ears long_legs long_tail magic male mammal model_sheet mythological_avian mythological_creature mythology nightmare nude oscine outsider passerine penis pentazer raven scales scholar scruffy slender_body slim solo tail talons toes tome wings|11301482848