2013 5_fingers ambiguous_gender anatomically_correct animal_genitalia anthro armpits avian beak bed bird black_border border cloaca cloacal_penetration closed_eyes comic duo erection feathers fingering fingerless_(marking) fur hi_res humanoid_penis interspecies licking male male/ambiguous male_penetrating mammal mouse multicolored_feathers open_mouth penetration penis robin_(bird) rodent sex sheath spread_legs spreading tongue tongue_out tuke wet white_fur