In other situations a vault is used because installing a pond might pose other problems, such as attracting unwanted waterfowl or other animals.
This was the last of Headley's land alteration projects "to monkey around with" - hence the name - which sought to attract waterfowl.
Liz had convinced them to go with strictly indigenous plants and to add a small lake, which would attract native waterfowl.
The structure is concrete lined, which prevents growth of marginal plants, however this does not prevent the reservoir attracting varied waterfowl and other birds.
Live ducks were used as decoys as well as bait such as corn or other grain to attract waterfowl.
At first, decoys were used as working birds to attract waterfowl, shorebirds and certain songbirds, Mr. Combs said.
Dr. Schulze, a hunter as well as a planter, began planting rice 10 years ago at Turnbridge to attract waterfowl.
Wetland habitats attract waterfowl, he noted, providing an additional benefit for residents who enjoy nature's creatures.
Between approximately mid-October and mid-January, managed seasonal wetlands are flooded to a depth of 8 to 12 inches to attract waterfowl.
Carefully designed to blend with the landscape, the reservoir attracts wild waterfowl, including oyster catchers, great crested grebes and shelducks.