Wild chimpanzees show reduced participation and performance in their tool-use behaviours as they experience old age, according to long-term video observations. The study, published today in eLife, ...

Just like any self-respecting plumber has a tool for any occasion, chimpanzees in the Congo have developed specialized "tool kits" to help them forage for ants. That's the conclusion of new research ...

These remote mountains in western Tanzania don't get the crowds of Gombe, which Jane Goodall made famous, or other sites in ...