![]() Total house height: The total height of a bluebird house can vary from 8 to 12 inches.Ideally, the interior floor space of a bluebird house should measure 5x5 inches to accommodate the entire brood snugly but without too much excess space that can chill hatchlings. Interior floor space: Bluebirds raise three to eight chicks in each brood, and a large brood of growing hatchlings can quickly become crowded if the house is too small.Adding rough scoring or a piece of mesh below the hole inside the house can help birds reach the entrance when they wish to exit, but it is not strictly necessary, as their talons are ideal for climbing inside the house. This distance also provides enough space that predators cannot easily reach hatchlings or brooding adults from the outside. This ensures that growing hatchlings are not able to tumble out of the opening. Entrance height: The entrance hole should be 6 to 10 inches above the floor of the birdhouse.It is wise to regularly repair the entrance hole with a sturdy block or plate to keep it at the appropriate size and keep larger, unwanted birds from investigating. Over time, holes gradually enlarge as edges are worn away by talons, inquisitive hatchlings, and general wear. The hole should be 1 1/2 inches in diameter for eastern and western bluebirds, though mountain bluebirds occasionally prefer slightly larger holes that are 1 9/16 inches in diameter. Entrance hole: The entrance size is the most critical dimension for a safe, effective bluebird house.The Spruce Home Improvement Review Board.Since wren territories are only 1/2 to 3/4 acre in size, if you hear a male wren singing, it's nest is likely nearby. If she doesn't think the male put enough twigs, she may add some. ![]() Time lining the nest later with soft material like grass and feathers. Most of his time is spent filling the nest with short twigs and some spider egg cases, while the female mostly spends If they reuse a nest location, the male house wren will clean out the old material and rebuild. Phoebe, Barn Swallow and Robin Bird House Plansįree Bird House Plans What is the house wren diet?Ī house wren's diet consists mostly of invertebrates such as caterpillars, flies, millipedes, grasshoppers, moths, spiders, crickets, beetles and snails. You can then print the plans using your browser or save the image to your computer to view or print at a later time. On the small thumbnail image to view larger plans in a new window. Peanut butter or meal worms in nearby feeders.īelow is another more detailed diagram for wren houses from the Minnesota Division of Natural Resources. To attract wrens to your backyard and to ultimately use your bird house, place suet, Skeleton that was mounted on the outside wall of a shed! We have seen wrens build nests in hanging plant baskets and even in the mouth of an old flounder House that is more hidden, like around shrubs or trees, than exposed and in a wide open space. Wren boxes can also be firmly fixed to the side of a building or tree or can be hung freely from a wire. You can place the nest box from these wren house plans 5-10 feet above the ground, under the eaves of a building or a tree limb. ![]() Do not add a perch to the box because this will allow birds such as Wren House Plans Layoutīe sure to mount your wren birdhouse where predators such as cats, snakes or raccoons cannot easily reach the nest box and have access to the adults or nestlings. ![]() A more detailed view is provided from the MN DNR further below (see highlighted arrow next to small image). If house sparrows are not an issue in your area, then you may want to start with a bigger hole size, such as 1 1/4", otherwiseīelow is a wren bird house plan from the Natural Resources Conservation Service. I have found wide variation on hole sizes required for different wren species from 1 1/8" to 1 1/2" needed. Other species of wrens such as marsh wrens, sedge wrens, cactus wrens, andĬanyon wrens are not likely to use a nest box. Use the box, but also will allow unwanted house sparrows to enter as well. Which is also large enough for black-capped chickadees.Ī 1 1/4" hole will allow Carolina Wrens and White-breasted Nuthatches to Winter Wrens and Bewick's Wrens, you can make the hole diameter 1 1/8" The hole diameter will determine who or who cannot use your wren nest box. One of the most important design elements in building any bird house is the hole size. If you use the specifications outlined in these bird house plans, you will increase your chances of attracting wrens to use the nest box. Here are wren house plans you can easily follow to make your very own wren bird house.
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