INTRODUCTIONCompetition over limited resources is a ubiquitous challenge to overcome in the lives of social animals. When humans and other animals compete for resources, the nature and degree of competition can be influenced by various characteristics of the resource itself, such as quantity and distribution, as well as the social and ecological environment in which such goods are acquired (e.g., Begon, Townsend, & Harper, ; Gardner, Ostrom, & Walker, ). Such is the importance of food competition on animal social organization that optimal group size and structure are determined by a trade‐off between the benefits associated with sharing ecological costs, and the drawbacks associated with competition over depletable resources (Brown, ). Therefore the nature of food competition for a given species—as measured by feeding rate (e.g., White & Wrangham, ), food encounter rates (Sterck, Watts, & van Schaik, ) or, more restrictively, as a function of agonistic social interactions between members of the same species (Christian, )—can impact group organization. According to the ecological model, in addition to predation, the distribution of food can explain interspecies differences in dominance hierarchies, coalitions, and the quality of social relationships across the primate order (Sterck et al., ).Chimpanzees, some of our closest
American Journal of Primatology – Wiley
Published: Jan 1, 2018
Keywords: ; ; ; ;
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