answered question 12/8/2009 Where Can I Find Free Plans For A Mallard Duck House/Nest? If you do not have a body of water,you can build a house in your backyard like I did. I made a 7 by 6 foot house out of spare wood I had. When I was done, I took off part of the roof and make a second story for my ducks. For my ducks to … Read more