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.

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

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.

The ability to make two distinct sounds at once is shared with human beat boxers and throat singers. The horse whinny, or neigh, has been a familiar sound at least since the animal was domesticated, ...

The whinny is an unusual combination of both high and low pitched sounds, like a cross between a grunt and a squeal - that come out at the same time.