Ecological and social factors affect the occurrence and outcomes of intergroup encounters in chimpanzees

Male chimpanzees, Pan troglodytes, defend group territories, and sometimes injure or kill members of other groups. To test which factors best predict the occurrence and outcomes of intergroupencounters, we analysed 15 years of data on intergroupencounters, party composition, ranging and feeding behaviour in the Kanyawara community of chimpanzees, Kibale National Park, Uganda. During this time, […]