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 ...

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 ...

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 ...

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 ...

SAN DIEGO – A 33-year-old Texas man was sentenced in San Diego federal court Friday for coordinating the smuggling of at least six protected baby Mexican spider monkeys through the Calexico Port of ...

White-faced capuchin monkeys on Jicarón Island have started abducting baby howler monkeys, surprised scientists report. It’s possible this behavior comes in waves, but it had not been detected in the ...

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 ...

A Texas man was busted for trafficking vulnerable Mexican baby spider monkeys, who were too young to be separated from their mothers, into San Diego and selling them on Facebook. Sarmad Ghaled Dafar, ...