We are in a new epoch, the Anthropocene, and research into our closest living relatives, the
great apes, must keep pace with the rate that our species is driving change. While a goal of …

Chimpanzees are humanity's closest living relations and are of enduring interest to a range
of sciences, from anthropology to zoology. In the West, many know of the pioneering work of …

The chimpanzees of Bossou in Guinea, West Africa, form a unique community which
displays an exceptional array of tool use behaviors and behavioral adaptations to …

The sharing of wild plant foods is infrequent in chimpanzees, but in chimpanzee
communities that engage in hunting, meat is frequently used as a 'social tool'for nurturing …

Food sharing is considered to be a driving force in the evolution of cooperation in human
societies. Previously postulated hypotheses for the mechanism and evolution of food …

Tolerated transfer of food among adults is rare among primates, except in humans. Here, we
present data on a consistent pattern of tolerated intersexual transfer of food (held in hand …

The present chapter aims to report on a reforestation program known as the “Green Corridor
Project,” which was initiated in January 1997. This project aims to connect the chimpanzee …

Chimpanzees are our closest living relatives, sharing some behaviours once thought unique
to humans. Much is known about chimpanzee behaviour and socio-ecology, but we have a …

Food sharing is assumed to be one of the most important behaviors in the process of human
evolution (eg, Isaac 1978). Therefore, its occurrence and characteristics have been studied …

As a short-term visiting researcher to Bossou, I describe the social behaviors of Bossou
chimpanzees in comparison to those of my primary study population, the Mahale …