The Yunnan golden monkey, also known as the black-headed golden monkey, is a primate species native to the mountainous regions of Yunnan province in China. This monkey is characterized by its striking golden fur, black face, and long tail. It primarily inhabits the temperate forests of the Ailao Mountains and is known for its social behavior, often living in groups. These monkeys are herbivorous, feeding on leaves, fruits, and flowers. The Yunnan golden monkey is classified as endangered due to habitat loss and poaching. Conservation efforts are underway to protect their natural habitat and ensure the survival of this unique species.