Encapsulates the behaviour of wild chimps, discussing the differences observed in populations across the species, and levels of social behaviour.[...]

How do chimpanzees say, 'I want to have sex with you?' By clipping a leaf or knocking on a tree trunk? How do they eat live aggressive ants? By using a short stick with one hand or long stick with both? Ivorian and Tanzanian chimpanzees answer these questions differently, as would humans from France[...]