A recent study has shown how some species of monkeys have complex social hierarchies and how some are prone to taking risks ...

Male capuchin monkeys on a Panamanian island were documented carrying around infant howler monkeys for no clearly discernible reason. By Elizabeth Landau Capuchin monkeys don’t generally hang out with ...

A recent study out of Bangladesh confirms a concerning trend in monkey behavior, potentially leading to the extinction of two species of langurs: Phayre's langurs and capped langurs. Mongabay reported ...

A howler monkey infant, only a few days old, clings to a subadult white-faced capuchin monkey as it uses tools. Brendan Barrett / Max Planck Institute of Animal Behavior In June 2022, while watching ...

From a quick swipe of a banana to elaborate “ransoms” of smartphones, monkey shenanigans have earned these adorable animals a worldwide reputation as mischievous little thieves. Perhaps you’ve seen ...

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 ...

And now a lighter story to end the week. In a zoo outside Tokyo, one monkey has pulled heartstrings around the world after forming an unexpected friendship. Stephanie Sy has the story. It's a story of ...

Monkeys reject unfair food rewards, demonstrating a sense of fairness. Research shows capuchins and chimpanzees refuse ...

Introduction / Christina J. Campbell -- Morphology and evolution of the spider monkey, genus Ateles / Alfred L. Rosenberger ... [et al.] -- The taxonomic status of spider monkeys in the twenty-first ...

An orphaned baby monkey whose attachment to a stuffed toy captured hearts around the world is slowly finding acceptance among his own kind — offering a hopeful update to a story that has drawn ...