AMES, Iowa – Iowa State University Anthropology Professor Jill Pruetz long suspected that man-made changes influenced the aggressive behavior researchers have observed among chimpanzees. However, her ...

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 ...

A chimpanzee doesn’t hesitate to make it clear when it wants attention. The closest cousin of humans, this species of great ape has effective ways of communicating what it needs. Researchers have ...

A new book edited by chimpanzee experts Drs. Lydia Hopper, Assistant Director of the Lester E. Fisher Center for the Study and Conservation of Apes, and Stephen Ross, Director of the Center, called ...

Chimpanzees are our closest living relatives, and this adds to the fascination of learning how they behave and interact with each other. We know that they, like humans, live in social groups and that ...

AMES, Iowa – Shocking is one word Jill Pruetz uses to describe the behavior she witnessed after a chimp was killed at her research site in Fongoli, Senegal. The fact that chimps would kill a member of ...

(Bloomberg) -- Jane Goodall, who made startling discoveries about chimpanzee behavior and worked tirelessly to protect their habitats during a life dedicated to animals and environmental conservation, ...

It was supposed to be a routine observation. Alessandra Mascaro was studying her favorite chimpanzee, a juvenile male named Sia, when she first noticed some strange behavior. Sia’s mother, Suzee, ...

The female endangered chimpanzee used a stick to investigate a trail camera in a Gabon national park. Gabon ANPN/Panthera/Gaboma Multimedia and Production In 2015, a photograph of a lone male lion in ...