* Horses: The most common equine animal.
* Donkeys: Smaller than horses, with long ears and a distinctive bray.
* Mules: Hybrids born from a male donkey and a female horse.
* Zebras: Known for their distinctive stripes.
* Asses: A term sometimes used interchangeably with "donkeys."
So, an equine animal is any member of the horse family, including horses, donkeys, mules, and zebras.