A capuchin named Joker started the apparent trend, leading researchers to suspect "there was something a little quirky about him, or that he was kind of lonely in a way.” Reading time 3 minutes A ...

Add Yahoo as a preferred source to see more of our stories on Google. Two of six spider monkeys illegally brought into California are shown above with their troopmates where they are now living at ...

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 ...

A young male white-faced capuchin monkey carrying a baby howler monkey, caught by a remote camera trap on Jicarón. On an island off the coast of Panama lives a population of wild primates with a ...

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, ...