Rule 34 Dev - 1boy animal_genitalia anthro anthro_only avian beak bird cloaca corvid corvus_(genus) crow feather_growth feathered_wings feathers genitals growth hi_res hooded_crow human human_to_feral male male_only mammal nude open_mouth oscine pain passerine penis_shrinking solo species_transformation tail talons torakuta transformation wings|8515658192