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 few million years ago, our human ancestors began picking up rocks and using them as tools, marking the beginning of the Stone Age. Now a group of monkeys in Panama may have entered a Stone Age of ...

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, ...

Tool-using Capuchin monkeys from Jicarón Island have been captured on-camera carrying kidnapped howler monkey infants. On Jicarón Island, in the Coiba National Park, off the western Pacific coast of ...