abs animal_genitalia animal_penis anthro armband balls black_balls blue_eyes blue_nipples blue_penis bodypaint canine_genitalia canine_penis erection full_moon genitals gynomorph intersex knot low-angle_view moon muscular muscular_gynomorph muscular_intersex night_sky nipples penis solo vein veiny_penis enterthebonezone australian_shepherd canid canine canis domestic_dog herding_dog mammal pastoral_dog sheepdog absurd_res hi_res