Other purposes of whinnies suggested by this research have included maintaining vocal contact with other group members while traveling and distinguishing between group members and members of other groups.
Olob had a special sense that made him whinny and misbehave when enemies were near.
Instead, a mule makes a sound that is similar to a donkey's but also has the whinnying characteristics of a horse (often starts with a whinny, ends in a hee-haw).
Keppard did not garner such a large following through occasional neighs and whinnies and barnyard gimmicks, however.
After initially irritating the other horses with his worried whinnying, he apologizes and becomes good friends with them.
Their call is a high-pitched whinny or chuckle.
The eastern screech owl's call is an eerie tremolo with a descending, whinny-like quality.
Horses are not particularly vocal, but do have four basic vocalizations: the neigh or whinny, the nicker, the squeal and the snort.
