Coe, C. L. , Rosenblum, L. A. 1984. Male dominance in the bonnet macaque: A malleable relationship. In: Social Cohesion. Essays Toward a Sociophysiological Perspective. Barchas, P. R. , Mendoza, S. P. (eds), 31-64. Greenwood Press, Westport, CT.

The bonnet macaque may possibly show the highest degree of male-male tolerance in the genus Macaca. Five pairs of unfamiliar adult males were formed without any preliminaries. As usually occurs when unfamiliar males first meet, agonistic behaviors related to the establishment of dominance relations occurred at pair formation. The aggressive incidents were limited, usually involving threats and pursuit behavior, and manual attacks occurred only infrequently. More typically, one animal submitted and indicated his subordinate status through communicative gestures... In the first week following pair formation, the occurrence of aggressive behavior subsided almost entirely... The development of positive social bonding was apparent in all pairs. During the first week, the males spent a mean 29 percent of the observation time within arm's reach, engaging in mutual grooming or passive body contact.