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 ...

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

It turns out apes and monkeys possess vocal membranes in their throats that humans lack. Scientists suspect these structures ...

Monkeys are the world’s best yodellers, according to new research. Rather than Austria or Switzerland, scientists say the ...

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 ...

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 ...