Chimpanzees: Leaf Clipping

Published: August 21, 2008

Total Running Time: 00:02:00

Primatologist Christophe Boesch demonstrates and discusses a leaf clipping, an aspect of chimpanzee behavior.

More From Evidence: How Do We Know What We Know?

Published: October 26, 2008

Total Running Time: 00:02:42

Published: August 21, 2008

Total Running Time: 00:03:20

Published: August 20, 2008

Total Running Time: 00:24:49