anus backlighting balls black_body black_fur black_nose butt cheek_tuft cliff cloud detailed_fur facial_tuft feral fur genitals green_eyes light looking_back low-angle_view male multicolored_body multicolored_fur outside perineum pink_anus presenting presenting_hindquarters rock slim solo spread_legs spreading sunlight sunset tail_aside tan_body tan_fur tuft white_balls white_perineum worm's-eye_view y_anus blp canid canine canis domestic_dog herding_dog malinois_dog mammal pastoral_dog sheepdog attempted_signature detailed hi_res lighting