A horse's signature whinny comes from a combination of whistling and singing. The whinny is a unique combination of both high and low pitched sounds.
NEW YORK (AP) — Horses whinny to find new friends, greet old ones and celebrate happy moments like feeding time.
How exactly horses produce that distinctive sound — also called a neigh — has long eluded scientists.
The whinny is an unusual combinatio... [2757 chars]