HI Marshall!
Can you help me out here. I've been wanting to get ducks for a while. I'm thinking Muscovies. I accidentally ended up with chickens first

because I was searching Craigs list for a duck house, and instead found an awesome homemade chicken tractor. The owner had to give up his small flock also, though, because of an HOA. So we brought home a nice coop with great predator protection and chickens already laying. The run surrounding the coop is built pretty well, but there is also a door on a timer. That's fantastic for us as we sometimes get home after dark.
When I first bought this, I thought I would include ducks. But the more I read, the more I'm hearing that Muscovies (esp a drake) might pick on the chickens. The chicken coop also has a fairly steep ramp from the run up to the housing.
So I'm thinking I need a separate house for the ducks, right? My plan is to get Muscovy ducklings in a few weeks, when my daughter will be home to watch them a lot and get them well-adapted to people. We have plenty of acres to forage on, and a creek. So I am intending to allow them flight for predator protection, hoping that the handling and night-time treat feeding will keep them coming back to their duck house every night.
What are your thoughts on that arrangement? Specifically I mean on getting the young ducklings socialized to us, putting them in the house every night for a while, and eventually counting on them to enter on their own before the door closes at dark?
I am also assuming that if we get 10 ducklings, we will probably have to keep only 1 or 2 drakes, and "get rid of" (ahem, dinner) the extra drakes?
If this works out, will we eventually need a different place for any females and their babies to be safe from the drakes later?
Thanks for any help!