Yodelling monkeys can produce far greater frequency jumps than humans due to special structures in their throats, research ...

A new study has found that the world's finest yodelers aren't from Austria or Switzerland, but the rainforests of Latin ...

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

Primates possess special anatomical structures in their throats called vocal membranes, allowing for yodeling at higher ...

These included the black and gold howler monkey, black-capped squirrel monkey and Peruvian spider monkey. A Peruvian spider monkey. (Dr Jacob Dunn/ Anglia Ruskin University/ PA) New World monkeys ...