Chimpanzees, Pan troglodytes, share food in the same way after collaborative and individual food acquisition

We investigated the hypothesis that patterns of chimpanzee food sharing are influenced by whether individuals contributed to its acquisition collaboratively. In two experiments we exposed pairs of captive chimpanzees to food acquisition/sharing situations in which we manipulated (1) whether or not the two individuals had worked together collaboratively to retrieve the food and (2) the […]