Here a white-faced capuchin monkey perches on a tree branch in Manuel Antonio National Park in Costa Rica. A group from the same genus has been observed with stolen howler monkey babies on a small ...

Off the coast of Panama, on an island uninhabited by humans, a culture unlike any other has arisen. Now, the monkeys have taken their shenanigans a step further. They have been caught doing something ...

On an island in Panama, a fad that one researcher called "viscerally disturbing" has recently taken off among a group of young male monkeys. These adolescents and juveniles have started to kidnap the ...

ANCHORAGE, Alaska — Alaska is famous for wildlife: moose, bear, whales. Not capuchin monkeys and kinkajous. And the Alaska Board of Game wants it to stay that way. The board considers exotic pet ...

Off the coast of Panama, on an island uninhabited by humans, a culture unlike any other has arisen. On Jicarón Island, white-faced capuchin monkeys (Cebus capucinus imitator) rule, unmolested by ...

A young male nicknamed Joker was probably the first to start carrying a howler monkey baby on his back for days on end. Then a group of other young males started to copy him. Here a white-faced ...