A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

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 ...

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 ...

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 ...

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 ...

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 database about monkey behavior reveals how science is evolving towards a more open, collaborative approach. A database about monkey behaviour reveals how science is evolving towards a more open, ...