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 ...

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 ...

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 ...

SAN DIEGO (KABC) -- 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 ...

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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, ...

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. CREDIT: Brendan Barrett / Max Planck Institute of Animal Behavior. Get the ...

On Jicarón Island, in the Coiba National Park, off the western Pacific coast of Panama, white-faced capuchin monkeys (Cebus capucinus imitator) are the subject of a long-term observational study that ...