In this combination of photos provided by researchers, a wild male chimpanzee drums on a buttress tree while producing a pant-hoot call as he joins his groupmates in the Budongo Forest of Uganda in ...

Onesmas Ainebyona tracks chimpanzees in a Ugandan rainforest. He has built trust with a chimp leader named Jean. It took ...

KANSAS CITY, Mo. -- The Kansas City Zoo said a 31-year-old male chimpanzee died in an accidental fall from a tree. The zoo said Wednesday the chimp, called Bahati, climbed a tree while interacting ...

Bwindi mountain gorillas in Uganda and western lowland gorillas in Gabon spend significantly more time in the trees than previously thought. Credit: Martha Robbins Bwindi mountain gorillas in Uganda ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Chimpanzees drum with regular rhythm when ...

Chimpanzees drum with regular rhythm when they beat on tree trunks, a new study shows. Chimpanzees and humans last shared a common ancestor around 6 million years ago. Scientists suspect this ancient ...

A new study shows that chimpanzees drum with regular rhythm when they beat on tree trunks. Chimpanzees drum with regular rhythm when they beat on tree trunks, a new study shows. Chimpanzees and humans ...