Linked from
The 12 pages that link to Przewalski's horse, each with the reason it gives.
HorseCompared with: Its history and status differ from those of domesticated horses.
PerissodactylaBroader topic: It is a living example of the horse family’s remaining wild diversity.
EquidaeBroader topic: It is a surviving wild equid lineage distinct from domestic horses.
EquusBroader topic: It is a living example of an undomesticated Equus lineage.
KiangCompared with: It shares a Central Asian setting but is a horse, not a wild ass.
Feral horseCompared with: It is a wild equid, not a feral population of domestic horses.