Nest box plans and information on swallows and bluebirds are available in a publication titled "Birdhouse Basics" available at University of Maine Cooperative Extension.
Additional nest box information can be found at:
— Ohio Department of Natural Resources Nest Boxes for Wildlife
— National Prairie Wildlife Research Center Canada Goose Nesting
— Virginia Cooperative Extension Wood Duck Management
Contact your local Cooperative Extension office for information specific to your location.
