I can only have 2 ducks because of town ordinance. But i cant decide between Welsh harlequin, blue swedish or orpington ducks. They wont be able to free range but will be in the run with the chickens about a 25 to 30 ft long by about 17 ft wide. I will be building a coop that will go in the corner of the run that will be 16 sq feet(is this to big or to small?). Also they cant be super loud, we have nieghbors about 5 houses up that have some i dont ever hear them. Also what brewers yeast would you reccomend? I will probably be using duckling starter and grower when they are ducklings then switch them to chicken layer feed, so i dont have to buy 2 seperate feeds. And i cant get all flock feed unless i order it. Thanks in advance.