anal anal_penetration anthro barn beak big_breasts black_body black_fur bodily_fluids breasts duo farm female fur genital_fluids genitals half-closed_eyes holding_leg looking_pleasured lying_on_grass lying_on_side male male/female narrowed_eyes nipples non-mammal_nipples open_mouth penetration spread_wings wings yellow_beak kotkanen_(director) avian gryphon mythological_avian