The zoo noted that 'a few high-ranking macaques have demonstrated aggression more frequently' and were removed from the habitat on March 8 ...

Viral baby monkey’s new behavior sparks questions about imitation.

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 ...

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 ...

A new study shows macaque species with more tolerant social systems have larger brain regions linked to emotions and social signals.

Japanese snow monkeys don’t just soak in hot springs to escape the winter chill — their steamy spa sessions may also be ...