A new study shows that chimpanzees drum with regular rhythm when they beat on tree trunks. Previous research has shown that ...

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 ...

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 ...