Articles on Chimpanzees

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Accumulative stone throwing is a rare, potentially cultural, behaviour that has been observed among four groups of wild chimpanzees in West Africa. (Wikimedia Commons)

Why do male chimpanzees throw rocks at the same trees for more than a decade? We travelled to remote Guinea‑Bissau to find out

To study accumulative stone throwing among wild chimpanzees, researchers hike deep into the savanna-woodland of Boé — a habitat increasingly threatened by industrial mining.
Infant chimpanzees are out of mom’s reach the majority of the time they descend from the trees. Kevin Lee/Ngogo Chimpanzee Project and Arizona State University

Risks young chimps take as they swing through the trees underscore role of protective parenting in humans

The youngest chimpanzees are the biggest risk-takers. Would humans show the same pattern if adults weren’t keeping such a close watch on little kids?

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