Male vervet monkeys use punishment and coercion to de-escalate costly intergroup fights

(University of Zurich) Male vervet monkeys attack members of their own group to prevent them from escalating intergroup encounters into high-risk fights, or to de-escalate ongoing intergroup fights. In contrast, female monkeys use 'the carrot and the stick' to promote male participation in intergroup fights, anthropologists at the University of Zurich and University of Neuchatel have shown.

from EurekAlert! - Social and Behavioral Science https://ift.tt/2sGN6wf