Rule 34 Dev - 2016 anus ass autumn avian bird black_feathers claws corvid drake_griffin erection eyebrows feathers feral feral_on_feral fur furry grass green_eyes gryphon gryphon1 hybrid leaves licking looking_at_viewer lying male mane membranous_wings opened_beak oral penis precum purple_fur raised_tail raven_(bird) saliva slit slit_pupils teeth tongue tongue_out tree wings yaoi|2411017272