I am trying to do some research before getting into poultry for the first time. Primarily for eggs, but we will eat them when the time comes. We have quite a lot of space, but I want to start with for perhaps 4 or 5 birds, and I would ideally like to mix chickens and ducks in the same enclosure (they wont be fully free range) and house. Will this work, if they are all purchased as POL at the same time? I am thinking 3 chickens and 1 or 2 ducks?