Capuchins are also known for developing odd social rituals across their range. Scientists studying mainland populations have ...

Scientists studying camera trap footage from Jicarón Island spotted something unusual: a capuchin monkey carrying an infant howler monkey on his back. Now, they’re trying to learn what it means.

Plus, researchers could hear adult howler monkeys calling back and forth with the infants, who would sometimes try to crawl ...

A Chinese zoo is facing criticism after filming a baby monkey smoking ... before a woman off-screen pulls it out of its mouth and tells him smoking is harmful. The monkey reluctantly gives it ...

NurPhoto via Getty Images A troop of wild monkeys in India stole a baby from his father and tossed ... He tried to run off, but dropped his son as he did, leaving one of the animals to scoop ...

Mr. Baboon opens his mouth wide and reveals ginormous front ... And he might not be as friendly as he looks. Monkey bites are surprisingly common around the world. They account for up to 20 ...