Chimpanzees go to hilltops to gather information about rival groups, study finds

Researchers also found that fights – and even kidnappings – occasionally occurred between rival groups (Antoine Vale/Tai Chimpanzee Project)

Chimpanzees use high ground to gather information about rival groups and reduce the risk of confrontation, a study suggests.

Until now, using elevated terrain to observe other groups was seen as a tactic unique to humans, and often deployed in warfare.