Several species of South American monkeys are capable of yodelling – and they do it far better than humans. This remarkable vocal ability is thanks t ...

These membranes allow the monkeys to switch rapidly between very high and very low tones, giving them an impressive vocal range. While humans can typically yodel within a range of about one octave ...

The monkeys' "ultra-yodels" had frequency leaps that were five times larger than human frequency changes, often exceeding ...

Researchers recorded and studied the calls of various primate species, including the black and gold howler monkey (Alouatta caraya), tufted capuchin (Sapajus apella), black-capped squirrel monkey ...

There, researchers recorded and studied the calls of various primate species, including the black and gold howler monkey (Alouatta caraya), tufted capuchin (Sapajus apella), black-capped squirrel ...

If you matched a Swiss singer against a monkey vocalist in a yodeling contest, the non-human primate would win handily, according to a study published in the journal Philosophical Transactions of the ...

Researchers recorded and studied the calls of various primate species, including the black and gold howler monkey (Alouatta caraya), tufted capuchin (Sapajus apella), black-capped squirrel monkey ...