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Researchers from Max Planck Institute (Germany) and from the University of California at Davis (EU) published images – now available on YouTube – that would prove that a group of Capuchin monkeys from Coiba National Park (Panama) have entered their own stone age .
White-faced Capuchin monkeys were captured by hitting coconuts and nuts with stones. They use them as tools, just like hominids in the prehistory of human evolution. Therefore, scientists pointed out that these non-human primates have ushered in their particular stone age.
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Scientists point out that this behavior It seems to have been acquired through learning. Three aspects would have favored this apparent stone age: Capuchin monkeys are very terrestrial, have a low threat of predation and have limited resources in the region.
The Youtube video is the result of a long investigation. In 2004, the researcher Alicia Ibánez appreciated that a Capuchin population was breaking shells with the help of rocks. She was fascinated and, in 2017, returned with a team of researchers to have a film proof.
Monkeys also take a crab and remove the carapace to the impact of stone. The same with snails and other foods. "We were surprised that this behavior seems geographically located," says Brendan Barrett of the Max Planck Institute for Ornithology
In several parts of Coiba National Park, there are populations of Capuchin monkeys , but only in the zone known under the name of Jicarón. know how to use stones
Up to now, it is known that four groups of non-human primates in the world have entered the stone age. Among these evolved animals are West African chimpanzees, Thailand macaques and several species of Capuchin monkeys in Brazil and other parts of South America [19659002]
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