Here's a breakdown of their classification:
* Kingdom: Animalia (Animals)
* Phylum: Chordata (Animals with a backbone)
* Class: Mammalia (Mammals)
* Order: Perissodactyla (Odd-toed ungulates)
* Family: Equidae (Horses, asses, and zebras)
* Genus: Equus (Horses, asses, and zebras)
* Species: Equus caballus (Horses)
Note: While all wild horses are *Equus caballus*, different populations may be considered subspecies or even just distinct "types" depending on their geographical origin and genetic traits. For example, the Przewalski's horse (*Equus przewalskii*) is a closely related species that was once thought to be a wild horse but is now considered a separate species.