We did. Faced them so the door from the pond area and the door from the pen are near each other when opened. Put up some temp fencing so they can't get out when walking between the 2 but haven't figured out a better solution.
We had to remove the netting we had over the larger area of our yard because of leaves and sticks always weighing it down and tearing it. The ducks are unhappy being locked up in the pond area (not enough land area for fun foraging).
Since I couldn't think of another solution to give them the...