Capuchin monkeys are omnivores whose diet in the wild may include buds, flowers, leaves, seeds, nuts, fruit, and berries; as well as birds, eggs, small mammals, mollusks and arthropods such as insects ...

Breaking into a cashew nut can be difficult; but not if you're a monkey. Primates in Brazil are well honed in using stones to break into the nuts and new research suggests they have been doing so for ...

The tools are pieces of quartzite and sandstone found in places referred to as processing sites. The animals frequent these sites solely to look for these stones for use as hammers and anvils. In an ...