Since 2012 Dubuc and colleagues from New York University have studied more than 250 free-ranging rhesus macaques at a field site in the Caribbean. The goal: to learn how face color—which varies ...

The first way to tell the difference between macaques is their size ... and markings on their faces. Once you get your eye in it's amazing how quickly you can identify them – especially the ...

A truly wonderful sight," he said. The monkeys that escaped are rhesus macaque primates, which have brown fur with red faces and ears. They have close-cropped hair on their heads, which ...

“I make mad faces ... a forest full of monkeys, like this one sheltered by leaves, will bring lasting benefits and help reverse yaki’s decline. “Ultimately,” says longtime macaque ...