It's because the world's best yodellers are monkeys, a study published this week in the journal Philosophical Transactions of ...

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 ...

These included the black and gold howler monkey, black-capped squirrel monkey and Peruvian spider monkey. New World monkeys, ...

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