Group of Chimpanzees (image) Max Planck Institute for Evolutionary Anthropology Share Print E-Mail Caption In Taï chimpanzees, both sexes participate to territorial maintenance via border patrols and engage in territorial conflicts with hostile neighbors. Credit Liran Samuni Usage Restrictions The image may only be used with appropriate caption and credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.