NEW YORK -- Call them knockoffs. Rock-smashing monkeys in Brazil make stone flakes that look a lot like tools made by our ancient ancestors. Scientists watched as Capuchin monkeys in a national park ...
Brazilian capuchins have been monkeying around with stone tools for hundreds of years, Oxford University scientists have discovered. The primates have been observed using stones as hammers and anvils ...
A capuchin monkey in Costa Rica. Scientists studying the stone-smashing habits of bearded capuchin monkeys in Brazil have found that the primates inadvertently produce stone flakes that look very ...
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