a brown and white zebra
a black and white zebra
an overhead white metal fence
dry brown dirt ground
Zebras in the photo
Metal bars over the top of the zebras
Dirt in the zebra enclosure
Zebras in an enclosure
Manes on the zebras
A browner colored zebra. 
A more black and white colored zebra. 
A black and white zebra with broad back.
this is a zebra
this is a zebra's head
these are zebras
a zebra stands in the dirt near a fence