Birds … If you want more species specific designs, such as for bluebirds, purple martins, wrens, robins, chickadees, owls or others, then view our bird house … The hole size for a bluebird house plan differs as compared to a birdhouse for chickadees. This stylish, elegant bird house will add a little decoration to your backyard or garden. 9. The birdhouse plans … For instance, cavity-nesters need varying entry-hole diameters. Below is a one-board bird house plan from the North American Bluebird Society (NABS) that will attract a variety of birds to nest. Building a birdhouse is a project that can easily involve the entire family. Free woodworking plans that will allow you to design, make and build 38 different birdhouses that will attract local birds. 38 Birdhouse Plans. A birdhouse can be a pleasant addition to any garden or landscape design. Barn swallows build nests of mud pellets reinforced with grass or straw and lined with fine grass and feathers attached to ceiling rafters or walls near a ceiling almost always in open barns or other out … Gourd Birdhouse Plans – create a beautiful nesting box using gourds. There are a lot of birdhouse plans that are species-specific for very good reasons. Bird House Plans. Bird House Plans Gazebo – create a 6-sided (hexagon) nesting box. 44 Birdhouse DIY Plans.