Papaya Fruit Sharing in Wild Chimpanzees at Bossou, Guinea

摘要: , the chimpanzees often enter village to raid crops (Fig. 1). Observations were conducted from July 2002 March 2003 (Period 1) and April September 2004 2). Group size fluctuated between 13 19 during these periods. The number of adult or sub-adult males was 3. cycling females 4 5. I used focal animal sampling method. target individuals one alpha male in Period 1, three 2. When got papaya fruits, recorded timing food sharing amount fruits by visual estimation. Sharing attitudes (active / passive) categorized under definition a previous study