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It turns out that monkeys use stone tools, and then leave them behind, just like ancient humans. And yes, their tools evolve over time! The tale of the Capuchin Monkey archeological record:

[arstechnica.com]
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The archaeological record of human tools use dates back about 2.5 million years, and archaeologists use changes in stone tool technology to trace changes in human evolution, culture, and lifestyles. Now a team of archaeologists in Brazil has excavated capuchin monkey stone tools dating back to 3,000 years ago, and they reveal changes in behavior and diet over thousands of years—just like the early human archaeological record but on a compressed time scale.
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Archaeology: it's not just for humans anymore 572 Nolondil 26-Jun-19 00:57


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