Fascinating new video footage captured on a remote island has captured a bizarre new phenomenon - baby monkeys being abducted by another species. The unprecedented craze of so-called 'monkey ...

A group of white-faced capuchins on a remote island have started stealing infants from another primate species, and ...

The scientists nicknamed one capuchin kidnapper Joker because the scar at the side of its mouth reminded them of the "Batman" villain.

Plus, researchers could hear adult howler monkeys calling back and forth with the infants, who would sometimes try to crawl away. Camera footage showed one occasion when an adult howler came and tried ...

For more than a century, scientists considered banded langurs, a type of reclusive, tree-dwelling monkey, to be a single species—but new research points to three separate ones. They've been ...