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 ...

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 ...

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 ...

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 ...

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 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 ...

A 39-year-old New Jersey man pleaded guilty to conspiracy to distribute animal crush videos. The videos, which were shared online, showed baby monkeys being crushed, burned, drowned, suffocated, ...

From jumping to chasing, this playful monkey family is full of energy and joy. The baby monkey leads the fun while the others ...