There's only one chicken coop on Farmville, for all the colors of chickens.
someone has to give you one as a gift.
The only things that can happen to chickens on FarmVille are getting harvested. You can only collect eggs and move chickens on farmville
NO they don't
You can...
some times brown chickens and some times black chickens
No. Animals don't die on Farmville.
No. The coop comes by itself, and, after a couple of expansions, will become home to 60 chickens. You get chickens through eggs, or through neighbors giving them to you.
You cannot harvest your neighbour's crops in FarmVille. You can, however, fertilise their crops and feed their chickens during visits to their farm.
They give you chickens. White eggs give white chickens, brown eggs gives brown chickens and so on. Sometimes they turn into other gifts also such as a picnic set.
Go to your neighbours's farm and feed their chickens in the chicken coop.
ask all your friends to send you one as a a gift or sometimes they come in mystery gifts.