Wild chimpanzees use tools during some of the most cognitively and physically demanding foraging behaviors observed in non-human animals. While the behavioral changes that occur with aging have been ...

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 ...