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 light pulse of electricity to the brain helped monkeys shake off a schizophrenia-like pattern of rigid thinking. They ...

Source: Wald1siedel, via Wikimedia Commons. Distributed under a CC BY-SA 4.0 license. Across the animal kingdom, numerous species engage in a behavior known as anointing. This is where animals rub ...

A team of neuroscientists at the University of Pennsylvania has, for the first time, observed how social behavior is encoded in the brain when monkeys are doing normal, everyday things rather than ...

The zoo noted that 'a few high-ranking macaques have demonstrated aggression more frequently' and were removed from the ...

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

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 ...

Researchers have developed 'Dynamic Prospect Theory,' which integrates the most popular model in behavioral economics -- prospect theory and a well-established model from neuroscience -- reinforcement ...

A spider monkey's touching reunion with a rescue worker after over two years apart has been captured in Bolivia. The footage shows Mikah, who was a victim of illegal wildlife trade before being ...