animal_genitalia animal_penis black_background black_body black_scales butt claws detailed_scales digitigrade dominant erection european_mythology feral genital_slit genitals horn knot male membrane_(anatomy) membranous_wings muscular naughty_face orange_eyes paws penis presenting presenting_hindquarters quadruped red_knot red_penis scales sharp_teeth simple_background slit smile solo teeth vein veiny_penis wings gooddir dragon scalie western_dragon tail absurd_res detailed hi_res