Chimps in Senegal pass down tool skills by watching and sharing
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Researchers studying chimpanzees in the Dindefelo Community Nature Reserve in Senegal observed adults teaching young chimps how to use tools to find food.
Over eight years, the team analyzed footage from wildlife cameras and recorded 33 instances of chimps sharing tools with each other. They often saw mothers demonstrating how to poke sticks into ant nests and algae patches, then letting their offspring try.
The study expands understanding of how chimpanzees learn from each other, showing that tool use isn’t just discovered individually, but also passed down through generations. Researchers noted that experienced chimps, particularly mothers, facilitate learning in infants. Interestingly, the learning didn’t always go one way. In a small number of cases, younger chimps showed adults how to use tools, and infants sometimes passed tools to juveniles. This suggests that chimps of all ages can play a role in sharing knowledge.
Scientists first began documenting chimpanzee tool use in 1960, when Jane Goodall observed a chimp using a stick to collect termites in Tanzania, and chimps remain second only to humans in the diversity of their tool-based behaviors.
