I have not even gotten my first batch (EVER!) of chickens, but I am convinced that would like to add ducks to the mix at some point. Do you keep them in with your chickens? WIll they stay in the coop with the chickens? Or do I have to keep them separated? Will they get into my creek and never return? I have not done much, if any, research on ducks specifically. So, any information would be appreciated!