A few small rodents like rats and mice whistle like this, but horses are the first known large mammal to have a knack for it.

COLUMN. To produce this unique sound, the horse performs a 'biphonation': It cries out and whistles at the same time.

A new study found that horses are whistling and vibrating their vocal cords at the same time to create the distinct neigh that accompanies the animal.

One of the scientists, Elodie Briefer, a behavioural ecologist who studies animal communication at the University of ...

The sound of a horse's whinny is created by the low frequency vibration of vocal cords combined with a high frequency whistle, a new study reveals.