anus balls big_balls big_butt black_anus black_balls black_body black_fur black_perineum brown_body brown_fur brown_mane brown_tail butt cloud dark_eyes detailed_background detailed_fur ears_up equine_anus feral flower flower_field fur genitals landscape light looking_at_viewer looking_back looking_back_at_viewer male mane mouth_closed multicolored_body multicolored_fur outside perineum plant presenting presenting_hindquarters quadruped raised_tail short_fur sky smile solo solo_focus standing sunset tail_aside three-quarter_view white_body white_fur blp equid equine horse mammal colorful detailed hi_res lighting