We have twenty chickens. My husband needed a way for them to eat the long grass in the yard. So, he built them a chicken run. It is on wheels and can move from one part of the yard to another. He puts them where the grass can use a little work! ;-) Don't worry, they love it and we only let them stay in it for a couple of hours before putting them back in the big chicken coop. They have water and a nesting box to lay their eggs.
"My father asserted that there was no better place to bring up a family than in a rural environment....There's something about getting up at 5a.m., feeding the stock and chickens, and milking a couple of cows before breakfast that gives you a lifelong respect for the price of butter and eggs." William E Vaughan