Ghost horse

A ghost horse is a horse that became a ghost after death.

Behind the scenes

 * In the fifth book, it is stated that only wizards can become ghosts. This may indicate that ghost horses are actually wizards who died while transfigured.

Appesarances

 * Harry Potter and the Chamber of Secrets
 * Harry Potter and the Prisoner of Azkaban (film)
 * Lego Harry Potter: Years 1-4