哺乳纲、灵长目、猴科,因其雄性臀部具有三角形白色臀斑而得名,是体色最绚丽多彩的灵长目动物之一。主要栖息于热带雨林,以植物的果实、种子、嫩芽和叶柄为主要食物,偶尔捕食小鸟和昆虫。目前,白臀叶猴在中国境内已经绝迹,在老挝、越南、 Mammalia, primate, monkey family, because of its male hips with a triangular white gout named, is the body color of the most colorful and colorful primates. The main habitat in the rainforest, the plant's fruits, seeds, shoots and petiole as the main food, occasionally prey on birds and insects. At present, white butt monkey has disappeared in China, in Laos, Vietnam,