animal_genitalia anus big_penis black_body black_scales butt claws detailed_anus detailed_background detailed_scales digitigrade feral genital_slit genitals horn knot looking_at_viewer male membrane_(anatomy) membranous_wings nature outdoors penis pink_anus pink_penis presenting presenting_anus presenting_hindquarters presenting_penis raised_tail rear_view scales slit solo tapering_penis thick_tail toe_claws wings freesillystring dragon scalie western_dragon detailed hi_res