Synopsis

In a research location near Fongoli, Senegal, a female chimpanzee selects a branch, gnawing the tip to create a sharp point. She then employs this simple spear to impale a bush baby concealed within a tree hollow. This represents a remarkable discovery for primate researchers—the first documented instance of a chimpanzee deliberately preparing and utilizing a weapon. Yet, it is merely the most recent in a series of astonishing revelations about ape behavior. As understanding of great apes—chi