A brown capuchin monkey in Brazil.

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Researchers say that capuchin monkeys made ancient stone tools discovered in Brazil. Previously academics believed that they were evidence of early human habitation. Capuchin monkeys are capable of making a large variety of stone tools, research has shown.

Researchers believe that ancient stone tools discovered in Brazil are the work of capuchin monkeys, not early humans, the art and design website

Continue Reading 50,000-year-old tools thought to have been made by the first Americans were actually crafted by monkeys to break open nuts, study says