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Culture results when chimps get cracking

Neighbors take different approaches to opening nuts

12:11pm, May 10, 2012

With the discovery of notably different dining habits among neighboring groups of chimpanzees, researchers may have some of their best examples yet of cultural traditions among animals.

One chimp group in the Taï National Forest in western Africa uses mostly rocks to hammer open the Coula nuts that are a seasonal staple of their diet, reports primatologist Lydia Luncz of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany. Chimps living just to the east start the Coula season hammering with rocks but shift to easier-to-find chunks of wood as nuts lying on the gro

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