Monkey see, monkey do in Brazil
Evidence of monkeys using stones as tools has long been noted in Africa and Asia, but scientists for the first time discovered capuchin monkeys in Brazil using stone tools to open cashews. Archaeological evidence suggests the monkeys have known how to do this for 700 years.
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Scientists unearthed a trove of 700-year-old stone tools — used by monkeys
By Darryl Fears
The Washington Post
July 11, 2016
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