When population growth intensifies intergroup competition, female colobus monkeys free-ride less
T. Jean Arseneau-Robar,
Julie A. Teichroeb,
Andrew J. J. Macintosh
et al.
Abstract:Intergroup aggression often results in the production of public goods, such as a safe and stable social environment and a home range containing the resources required to survive and reproduce. We investigate temporal variation in intergroup aggression in a growing population of colobus monkeys (Colobus vellerosus) to ask a novel question: “Who stepped-up to produce these public goods when doing so became more difficult?”. Both whole-group encounters and male incursions occurred more frequently as the populatio… Show more
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