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 ...

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 ...

The bearded capuchin (Sapajus libidinosus) is a nimble little monkey found in the forests of northeast Brazil. S. libidinosus is not a particularly picky eater, and will happily chow down on flowers, ...

New evidence suggests Brazilian capuchins have been using stone tools for at least 700 years, according to a study published in Current Biology. Researchers say they have found the earliest ...

Capuchin monkeys in Brazil have been seen making sharp stone flakes. It was previously thought that only humans and their ancestors had flaking... Those Ancient Stone Tools — Did Humans Make Them, Or ...

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 ...

The study builds on the team's previous work demonstrating that primates such as bearded capuchins and long-tailed macaques unintentionally create sharp flakes through stone percussion. By analyzing ...

Capuchin monkeys use stones to pound open nuts on a solid surface, which is considered the most complex tool used by a nonhuman species ...