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

A capuchin named Joker started the apparent trend, leading researchers to suspect "there was something a little quirky about ...

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

Capuchin monkeys in Panama were filmed carrying howler monkey babies, sparking confusion among scientists. The unusual ...

Jicarón Island is peaceful. It has no predators, and the animals that live there are mostly left undisturbed. But when ...

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

MORE: 3 climbers dead after falling off mountain while rappelling A baby spider monkey and two rattlesnakes were discovered at the home of a suspect who was busted for methamphetamine during a ...

The mother monkey was reluctant to leave her child even ... Qinling Mountain in Northwest Shaanxi Province carrying around dead baby monkeys. Experts said the golden monkeys were demonstrating ...

A baby spider monkey is starting a new chapter at the Oakland Zoo after she was rescued by authorities during a methamphetamine bust in Solano County earlier this month. On May 6, Solano County ...

Scientists spotted surprising evidence of what they describe as monkey kidnappings while reviewing video footage from a small ...

And orcas have been seen wearing dead salmon on their heads ... Because the baby snatchings have got to be hitting the local howler monkey population hard, as these monkeys don't reproduce ...