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 ...

Observations of Coiba’s tool-using immature capuchin monkeys show them carrying abducted infant howler monkeys. What is the reason for this behavior? Vanessa Crooks Caught in the act! Capuchin monkeys ...

Two of six spider monkeys illegally brought into California are shown above with their troopmates where they are now living at Chicago's Brookfield Zoo. (U.S. Attorney's Office) A Texas man was busted ...

A Texas man was sentenced to four months in custody for smuggling six rare baby spider monkeys over the Mexican border and attempting to sell them over Facebook, officials said. Sarmad Ghaled Dafar, ...

SAN DIEGO -- A Texas man was sentenced in federal court Friday for smuggling six Mexican baby spider monkeys into the U.S. Sarmad Ghaled Dafar of Houston was sentenced to four months in custody and ...