Sexual Behavior within One-male Unit's Groups of Wild Sichuan Snub-nosed Monkey in Qinling Mountains of China
【摘要】:正This study was conducted on the west ridge group of Sichuan snub-nosed monkeys(Rhinopithecus roxellana)located in the Zhouzhi National Nature Reserve on the north slope of the Qinling Mountains of China.The observed group consisted of eight one-male units(OMUs),and each individuals were identified. Data was collected between the 8~(th)of July 2003 and the 24~(th)of May 2004.Three hundred and twenty eight