Rule 34 Dev - anal anal_knotting anal_penetration animal_genitalia animal_penis anthro anus balls bdsm beak belly big_belly bodily_fluids bondage bound butt canine_genitalia canine_penis claws cum cum_in_ass cum_inside cum_on_face duo egg ejaculation erection feathered_wings feathers feral fur genital_fluids genitals impregnation internal knot knotting male male/male male_impregnation male_penetrated male_penetrating male_penetrating_male multiple_ova mythical nipples nude open_mouth oral orgasm oviposition ovum penetration penile_spines penis pregnant pregnant_male sex sheath size_difference smile sperm_cell tail teeth tongue tongue_out wings howlfeiwolf mythology howlfei avian canid canine canis gryphon hybrid mammal mythological_avian mythological_creature wolf 2016 digital_media_(artwork) hi_res|4371479700