A howler monkey infant, only a few days old, clings to a subadult white-faced capuchin monkey as it uses tools. Brendan Barrett / Max Planck Institute of Animal Behavior In June 2022, while watching ...

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 ...

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 ...

Capuchin monkeys are mainly known for their intelligence and resourcefulness. However, scientists have come across a strange, new behavior among the primates: child abduction. Per Smithsonian, Zoë ...

Capuchin monkeys on a remote Panamanian island are abducting babies from howler monkey families, in a first-of-its-kind trend. The wild population of white-faced capuchins (Cebus capucinus imitator) ...

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 ...