Zebra
From Equestripedia, the Archives of Equestria!
Zebras are a species of equine known to inhabit Ponyland and the world of Equestria.
Biology
My Little Pony
The only Zebra seen in Ponyland is Zeb, a humanoid specimen seen to walk upright and wear human clothes. He has a mostly Zebra head with some human aspects, a long striped tail, and arms ending in Zebra hooves.
Friendship is Magic
The Zebras from Farasi, a land beyond Equestria, closely resemble Ponies, walking on four hooves and possessing Cutie Marks. It is noted that they are a separate species from Ponies, though the two races are similar in dietary habits and susceptibility to illness.