abs anatomically_correct anatomically_correct_genitalia animal_genitalia animal_penis anthro balls big_penis biped bodily_fluids chest_tuft day equine_genitalia equine_penis forest genital_fluids genitals hair half-erect long_penis looking_down low-angle_view male muscular muscular_anthro muscular_male navel nipples outside penis plant sitting sky solo tree tuft vein veiny_penis beeryeen equid equine horse mammal