Maintenance of cooperative life in forest and urban rhesus monkeys (Macaca mulatta)
Four rhesus groups, two forest and two urban, were observed to collect data on cooperative attack, cooperative defence and assuaging behaviour. Adult females were prominent as help giver in forest as well as urban area; however, cooperative attack was more among the latter. During cooperative defence, females tried to escape from attacks of males with the cooperation of males and females. This pattern was common in urban and forest monkeys, in both areas, females assuage infants when they sought contact, needed reassurance or were threatened.
KeywordsCooperative attack cooperative defence assuaging behaviour Macaca mulatta
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