“Bonobos and chimpanzees both live in very complex social structures with very rich social interactions that they have to navigate on a daily basis,” says team member Zanna Clay, also at Durham ...

The famous ape reportedly knew thousands of words, loved Clint Eastwood movies, and was a big fan of video games.

In contrast, bonobo society is marked by the strong bonds ... a lengthy drought in southern Zaire that wiped out the preferred food plants of gorillas and sent the primates packing.

After the treat was hidden from view, Townrow would ask the bonobo where the food was, then wait ten seconds. If the bonobo had witnessed Townrow observing the placement of the grape, he would ...