A horse’s whinny can sound like two calls at once. One part sits low and rough, like a familiar mammal voice. Another rides ...

Biologists at the University of Massachusetts Amherst have released the first broad-scale, comparative, fine-grained analysis linking the amplitude, or volume, of a bird's song to its vocal frequency, ...

A horse’s whinny is an iconic sound, arguably on par with a cow’s moo and a sheep’s baa and a donkey’s hee-haw. Most people ...

Biologists recently announced that they have released the first broad scale, comparative, fine-grained analysis linking the amplitude, or volume, of a birds' song to its vocal frequency, or pitch.

Horses have a vocal trick no one fully understood until now. Scientists have discovered that when a horse whinnies, it produces two completely different sounds at the same time. One is a deep tone ...

A new study finds that horse whinnies are made of both a high and a low frequency, generated by different parts of the vocal ...

Learn how echolocation has shaped the skulls of bats that emit high-frequency sounds through their mouths and noses.