Chimpanzees (Pan troglodytes) are native to the forests and savannas of central and western Africa. These creatures are our closest living relatives and share approximately 98.8% of our DNA. Similar ...

A chimpanzee carries a stick to use as a tool to eat army ants. The chimpanzees insert these tools into the ant nests until the insects climb on the tool and then eat them. / Chimpanzees are the ...

Source: Charles Patrick Ewing, via Flickr. Distributed under a CC BY 2.0 license. Researchers with the Ozouga Chimpanzee Project have been studying a group of about 45 chimpanzees in Loango National ...

Kayla Kolff received funding from the German Research Foundation (DFG), project number 274877981 (GRK-2185/1: DFG Research Training Group Situated Cognition). Animals respond to injury in many ways.