ECOLOGICAL STUDIES OF THE STUMP-TAILED MACAQUE

In Anhui province, the Stump-tailed rracaque (Macaco thibetana) lives on the higher mountain forest cgions of Huang Shan,at the altitude of 600-1500 metres.Their habitats aie e-.ergieen defoliate mixed forests and defoliate broadleaved mixed forests.Social Stump-tailed macaque lives and roves in group.It appears vertical migration cccuring with seasonal changes. This macaque feeds chiefly on leaves, fruits, and seeds and also to a lesser extent en reptiles, chicks, and eggs. They are mature at the age about five years. Pregnancy period is about eight months. A baby-animal at one birth. 5 troops,144 individuals had been determined, sex ratio is =1:1.8 . The individuals within cne troop may be divided into four lanks. Several high-ranking adults males direct the activities of all individuals. This behavior belongs to the phenomenon of stress-leading of the dominant single-male and cooperated by more-males.The high-ranking males occupy almost all females.The high-ranking individuals may be produced and replaced. The social behavior Is formed along the long path of natural selection,and enable them well adapt to their environments.