A friend told me about this youtube, and I just finally got around to watching it. I laughed so hard I cried.
http://www.youtube.com/watch?v=oWpDOuVaYxo
If you dump old leaves from last fall (now with bugs!) into the chicken coop where grass used to be, the ladies have a field day. Even the ducks get into it. I am experimenting with a baby pool, one step up from their current wading ponds.