Howler infant number 5 on the back of a juvenile capuchin carrier, who is using stone tools at an anvil site in a stream bed. Usually, this behavior in females is described as adoption, thought to be ...

A group of male capuchin monkeys kidnapped baby howler monkeys – a different species – on a small island of Panama. Video shows the howler monkeys clinging to the male capuchin monkeys’ backs, but the ...

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 ...

This photo provided by researchers shows a baby howler monkey clinging onto a young adult male capuchin monkey on Jicarón Island, Panama in September 2022. (Brendan Barrett/Max Planck Institute of ...

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) ...

The life and eventual death of a capuchin monkey with a limb disability in the wild has been described by scientists, revealing that the mother and social group treated the disabled baby much the same ...

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 ...

Follow Diego Arauz Chaves, an ecotourism guide in Costa Rica, as he takes filmmakers on his boat into the mangroves to get up close to a Capuchin troop he knows intimately. These capuchins represent ...