Jasion banks on resting ponds. On Maryland's Eastern Shore, most hunting properties are 100 acres or less, and most duck holes are created by flooding a stand of corn. "Over the years, I've noticed ducks often feed in flooded corn all night, then leave to rest somewhere else during the day," he says. "I have two ponds on my place—one is an acre and the other is 2 acres. I converted the larger one from a feeding area full of flooded corn to an open-water resting area. When I did that, we started shooting a lot more birds."