chimpanzees

Chimpanzees in zoos were shown photos of old group members to test their memory Johns Hopkins University Bonobos and chimpanzees…

Chimpanzees use high ground to conduct reconnaissance on rival groups, often before making forays into enemy territory at times when…

A male chimpanzee listening for signs of a rival group Antoine Valé/Tai Chimpanzee Project Chimpanzees climb up hills to stealthily…