A group of male capuchin monkeys kidnapped baby howler monkeys – a different species – on a small island of Panama. Video shows the howler monkeys clinging to the male capuchin monkeys’ backs, but the ...

Howler monkeys are relatively small primates known for their incredibly loud, low-frequency roars that sound as if they come from a much larger creature. This is useful in the animal kingdom because ...

There’s a serious case of stranger danger unfolding on an island off the coast of Panama. A gang of five juvenile capuchin monkeys living on Jicarón Island has started abducting baby howler monkeys, ...

If you lose your sight, you make up for it with other senses. If one arm is amputated, you learn to do twice as many things ...

Humans have practiced some form of yodeling since at least the 13th century, when Marco Polo encountered Tibetan monks on his travels who used the vocal technique for long-distance communication. It’s ...

A new study revealed the presence of microplastics in the stomachs of howler monkeys living in a protected area of the Brazilian Amazon. This is the first evidence of plastic ingestion by a ...

Off the coast of Panama, on an island uninhabited by humans, a culture unlike any other has arisen. On Jicarón Island, white-faced capuchin monkeys (Cebus capucinus imitator) rule, unmolested by ...

Quiet on the tee? The howler monkeys weren’t having it. Hidden in the canopy above me, the loudest mammals on the planet were holding forth in full-throated violation of golf etiquette: primates with ...

It's a long held belief that loud mouths overcompensate for something, but in the case of howler monkeys, science has confirmed it's a biological fact.

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 ...