WASHINGTON (Reuters) - The howler monkeys whose guttural calls reverberate through Central and South American rainforests possess a secret that the males of the species may prefer to be left ...

Both humans, monkeys have a pair of vocal folds in their larynx which vibrate to create sound. Yodellers of the world, you never stood a chance: Monkeys will always be better at yodelling than humans ...

Baby, I’m howlin’ for you. Male howler monkeys make deep and boisterous calls to attract mates, but the deepest-pitched songs may come at cost: the size of their testicles. A new study in the journal ...

PARIS, France — Yodellers of the world, you never stood a chance: Monkeys will always be better at yodelling than humans because they have a "cheap trick" hidden in their voice box, scientists ...

Paris (AFP) – Yodellers of the world, you never stood a chance: Monkeys will always be better at yodelling than humans because they have a "cheap trick" hidden in their voice box, scientists revealed ...

When monkeys howl -- or yodellers yodel -- they rapidly switch back and forth between low and high frequency sounds. This is in contrast to opera singers, who are trained to precisely control how they ...