For the first time, researchers have observed wild chimpanzees making and using tools for hunting. What's more, it's mostly the female chimps and juveniles that adopt this style of attack, which occasionally nabs a small mammal that the chimp then eats.
The discovery that tool-assisted hunting among chimps includes females and youngsters challenges the traditional idea that such behavior in people and their ancestors evolved as a solely male pursuit, say anthropologists Jill D. Pruetz of Iowa State University in Ames and Paco Bertolani of the University of Cambridge in England.
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