'Chimpanzees of a feather sit together': Friendships are based on homophily in personality
Wednesday, October 9, 2013 - 09:00
in Psychology & Sociology
Like humans, many animals have close and stable friendships. However, until now, it has been unclear what makes particular individuals bond. Cognitive Biologists of the University of Vienna, Austria, and the University of Zurich, Switzerland, explored that chimpanzees choose their friends as to be similar in personality. The results of this study appear in the scientific journal Evolution and Human Behavior.