Nice Idea! - But first they come over in waves of 10 to 15 birds, meaning when the last birds arrive, the first group is already back at the pond and second it would require a lot of fencing, at least 100 meters/110 yards and still they could run around the house on the driveway,,, Let me show you:Watching that video, they obviously come over when it's treat time. Soooooo, set up a net behind the food area and then lift it when they get to the food, before they can waddle on back to the pond! Then coral them into the duck house, slam the door shut behind them, and laugh.
I marked the duck-house's and the pond's location, the possible escape routes are in white and the shortest path to the pond is in blue.
I have a lot of 1'(30cm) chicken wire, but that won't contain them, they just casually hope over that. I am still hoping for the upcoming week's frosty night-time temperatures. Maybe the pond freezes over.