Chimpanzees drum with regular rhythm when they beat on tree trunks, a new study shows. Chimpanzees and humans last shared a ...

A new analysis of 371 bouts of chimpanzee drumming demonstrates that the chimps ''clearly play their instruments -- the tree trunks -- with ... often grab hold of the tall buttress roots of ...

One is particularly "resilient." Another has an iconic branch that dips to the ground and then soars upward, creating a "V" ...

Chimpanzees drum with regular rhythm when they beat on tree trunks, a new study shows ... chimps will often grab hold of the tall buttress roots of rainforest trees. Sometimes they pound them ...