An observation of intergroup infanticide in grey-cheeked mangabeys (Lophocebus albigena)

In: Behaviour
Michelle Brown Department of Anthropology, University of California, Santa Barbara, CA, USA
Department for the Ecology of Animal Societies, Max Planck Institute of Animal Behavior, Konstanz, Germany
Department of Biology, University of Konstanz, Konstanz, Germany

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In primates, infanticide is occasionally observed during intergroup conflicts but does not fit the predictions of the sexual selection hypothesis. I report an observation of an intergroup infanticide during a sub-group foray in grey-cheeked mangabeys (Lophocebus albigena) at the Ngogo site in Kibale National Park, Uganda. Intergroup infanticide appears to be a form of extreme and long-term food defence across primate species, and occurs in conjunction with other forms of food defence.

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