calves in a group
small calves waiting in a group
a herd of cows
a cow with brown and white spots
six brown and white cows
Several white cows with brown spots 
A white cow with brown spots
A white and brown cow
Cows in the pasture.
A herd of cows in the pasture.
Lots of cows in the fenced in area.
a herd of white and brown cows standing on top of a dirt covered field