SCIENTISTS STUDY GORILLA WHO USES TOOLS
It had been thought that the premeditated use of stones and sticks to accomplish a task like cracking nuts was restricted to humans and the smaller, more agile chimpanzees. Then in late September, keepers at a Dian Fossey Gorilla Fund International sanctuary in this eastern Congo city saw 2 1/2-year-old female gorilla Itebero smashing palm nuts between rocks in the "hammer and anvil" technique, considered among the most complex tool use behaviors.
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