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.

Chimpanzees drum with regular rhythm when they beat on tree trunks, a form of ancient communication By CHRISTINA LARSON , AP Science Writer Updated May 9, 2025 8:07 a.m.

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 ...

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 ...