Just as dogs have different barks for different occasions, horses have different neighs. Sometimes they are calling to other members of the herd. Or they might be expressing fear or lust or even hunger. So why they neigh depends on the situation.
Because they are happy or sending ouut a danger signal.
That is just the sound they make. Humans like us talk, and horses neigh.
A horse makes a whinny sound.
Horses.
When the horse whinnied, i figured he must be hungry.
a neigh or whinny
Horse
The name of Ayla's horse is Whinny.
a horse
Neigh or whinny
A little hoarse.
Neigh Whinny nicker
A neigh if it a loud full call that sounds like the horse is saying: neeeeeeiiiighhh!, a whinny if it a high pitched call that sounds like the horse is saying: whinnnnnny! and a nicker if it is a low repeated sound that sounds like the horse is laughing. The nicker is quieter than a whinny/neigh
WHINNY or NICKER