Penrod rode forward, and heard a horse whinny.

After a while, she heard another horse whinny.

She started to follow him, then heard a horse whinny.

Sophie heard it hit the side of the carriage, heard the horse whinny, felt the phaeton move as the animal made frightened sidesteps.

She heard the horse whinny and saw it back into a corner of the wall and stand shivering.

Ayla had made such a perfect horse's whinny that for a moment, they thought it was a horse.

After a moment or two he caught the glint of sunlight on metal and heard a horse whinny.

They heard a horse whinny, and a moment later there were hoof beats.

Another growl made the horse whinny.

Horsewatching (1989) - subtitled "Why does a horse whinny and everything else you ever wanted to know"