New World monkeys, whose range stretches from Mexico to Argentina, were found to have evolved the largest vocal membranes of all the primates, suggesting these thin ribbons of tissue play a ...

As a result, the New World Monkeys are "ultra-yodellers," the primates can have frequency leaps up to five times larger than the frequency changes that are possible with the human voice.

New World monkeys, whose range stretches from Mexico to Argentina, were found to have evolved the largest vocal membranes of all the primates. As a result, ...

As a result, the New World Monkeys are "ultra-yodellers," the primates can have frequency leaps up to five times larger than the frequency changes that are possible with the human voice.

New World monkeys, whose range stretches from Mexico to Argentina, were found to have evolved the largest vocal membranes of all the primates, suggesting these thin ribbons of tissue play a ...