The female endangered chimpanzee used a stick to investigate a trail camera in a Gabon national park. Gabon ANPN/Panthera/Gaboma Multimedia and Production In 2015, a photograph of a lone male lion in ...
Chimpanzees, New Caledonian crows – and now cows. The list of animals that use tools grew a little longer this ...
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, ...
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