Chimpanzee are one of several mammal species that use tools to hunt and search for food. While the East African nation of Uganda is home to a wealth of iconic creatures spanning from the forest ...

A recent study on chimpanzees in Taï National Park in Côte d'Ivoire, West Africa, revealed that chimpanzees are losing traditions of male mating gestures. This coincides with declining chimpanzee ...

Held June 28-30, 1971. Sponsored by the World Health Organization, the Faculty of Veterinary Medicine, University of Bern, and the Research Dept., Swiss Serum and Vaccine Institute. siris_sil_30185 ...