a zebra eating in the grass
dark streaks of grass
zebra stooping to eat grass 
stripes indicating this is, in fact, a zebra 
grass for the zebra to eat and walk on
zebra's full tummy indicating it is well fed 
zebra has all four legs in tact 
zebra is able to lean forward indicating its neck works well 
A zebra eats grass in a field
The green, grassy field that the zebra grazes on
The black and white zebra stands on the grass
The zebra walks along the grass
zebra grazing on grass in a field
zebra stand in grass field
zebra bending down
a zebra is eating grass on some green field