By using five years of observation on neighboring communities of chimpanzees at the Chimfunshi Wildlife Orphanage in Zambia, an international team of scientists has shown that chimpanzees are not only capable of learning from one another, but also use social information to form and maintain local traditions. Common chimpanzee, Pan troglodytes (© Thomas Lersch / CC BY-SA 3.0) The specific behavior that the team focused on was the ‘grooming handclasp,’...
