Blue bird house plan. Some people are somewhat disappointed when the birds that use nestboxes are not Eastern Bluebirds. Blue bird house plan

 
 Some people are somewhat disappointed when the birds that use nestboxes are not Eastern BluebirdsBlue bird house plan Where a nest box (or bird house) is placed is key to attracting bluebirds

that is to build the birds a residence. The best small house plans. Peterson Bluebird Your Plan PDF(Nestboxbuilder. Bluebird House Plans - PDF Download quantity. Robert A. That’s it! Next, learn how to build a bluebird house and attract nesting birds with better birdhouses. 11) Mountain Bluebird Nest Box. Learn what features are best for birds and their safety. These free handmade wooden bird houses from a log are great for bluebirds, chickadees, flickers, house finchs, house sparrows, kestrels, nuthatches, owls, purple martins, tree swallows, warblers, woodpeckers and wrens. This birdhouse will accommodate all three bluebirds. Tip: For best results during the entire construction of your wood duck box, drill pilot holes as needed using an appropriate size drill bit (slightly smaller than the diameter of your wood screws) to avoid splitting your boards. Any light color is suitable. Purple martins need elbow room, so if you can, allow at least a 20-foot diameter of clear space around the birdhouse. Find your dream custom house plan or ready-to-build house plan online right here at Direct From The Designers. These Audubon bluebird birdhouses are simple, well-built, and untreated. 160 feet. NOTE: TBS-Friendly is simply a TBS designation for preferred woods that meet the requirements described in the link above. Dimensions: 7. Monitor your nest boxes regularly to remove house sparrow nests. We have a variety of bird feeders to attract birds; however, during the winter months, we have extra birds which have migrated here for the winter. Bird house plans, free PDF download, cutting list, shopping list, drawings, and measurements. The front will have features that are for this birdhouse. 10 approx I' 1 3/4" ENO BOARD VIEW Top Pivot screws 11/2" wood Insen screw "front" and "side" ot to door screws Recess bottom 114" Title: Eastern bluebird Nest Box construction plan Author: NYS DEC Subject: How to build a nest box for the Eastern bluebirdHouse Wren Chickadee Tufted Titmouse Bird drawings by Jim Glover Tree Swallow What is a Bluebird? The Eastern bluebird is a sparrow-sized cousin of the robin. Boxes for Eastern Bluebirds should have a round entrance hole of 1-1/2″ to 1-9/16″ (38 – 40mm). 200+ bought in past month. Most of these construction tips can be used. A collection of free birdhouse plans for your next DIY project. Position the nest box so that the entrance hole is facing east and towards open habitat. 5" by 14"). 5625 inch (3. 9) The Carl Little Bluebird Box. The Bird Plan is a scaled-down version of larger, more sweeping North American or regional bird conservation plans. This birdhouse might attract either bird in that overlap-area. Step 1: The Cutting List. A Cooler Bluebird House Design. Bluebirds don’t care if a box is white, gray, light pink or pale blue. Step 1: Cut the Board and Perch. See moreA well-built and well-placed blue-bird nest box in your own backyard or nearby park can help boost local populations. BLUE BIRD HOUSE, E-PLAN $20. As a general rule, you should place your bluebird house in an open, sunny area where there is plenty of short grass where bluebirds can catch insects. The sides of the house should enclose the floor to keep rain from seeping into the house and nest. Three plans- Based on the previously stated principles, this fact sheet provides three customized birdhouse plans. 5" x 7. Read more about setting up the right bluebird house. This birdhouse (nest box) is made using a piece of wood and PVC pipe. This bluebird house is built using 3/4 inch lumber. 6 Ways to Attract Bluebirds: #1. Kirsten is the content director of Birds & Blooms. Boxes should be provided with drainage and ventilation spaces. Bluebird House: Material List. Simple Bird House Plans. By not monitoring the boxes, you could be hurting bluebirds instead of helping them. Bluebird houses should be mounted 4-6′ off the ground. Wild Wings Cedar Bluebird House is made with naturally nuisance and rot resistant premium Cedar and stainless steel rust-free hardware to ensure you and your birds will enjoy it for many years. This week is National Nest Box Week, an event created by the British Trust for Ornithology that encourages U. Bluebird bird house plans. Kirsten Schrader. 8) Peterson Bluebird Nest Box. Get the Winfield Collection Cute Gnome Birdhouse Plans at Etsy for $13. How to Build a Bluebird House. The General Store - this birdhouse gets its name because it has the look of the storefront of an old country general store. The pipe detaches from the wooden roof to monitor bluebird nests quickly and easily. Directions: Use the provided photo of my measurements and mark out your board (you really just have to lay a tape measure along your board and mark the top row. Perfect for Bluebirds, Tree Swallows, Titmice, Wrens, Chickadees and Nuthatches. Conclusion. While it is important to remove House SparrowStep 3: Measuring/Cutting the Front. TB-1B is 1x6 and 1x10 lumber. When you assemble the sides, leave 1/4" at the top for ventilation. 5. As basic as a miter box and saw, all the way to a chop saw and table saw if you have them. 8) Peterson Bluebird Nest Box. This simple birdhouse (nest box) can be made from a single board and a license plate and requires only a few tools to assemble. ) The only birds that prefer them are starlings and house sparrows. Step 2. Cut the bevels on each edge, then cut the beveled plank into 9-3/4" long sections to form the side pieces. 12-in H Turquoise Wood Variety Aviary Bird House. The underparts are white. 21) Andy’s Flicker House Plan. Keep it out of the shade or away from the house. Find more diy bird houses plans or discover more bird houses and bird feeders. Bird's Nesting Box : Here's a plan for a nesting box that will keep your backyard birds cozy all winter. Cut the board using the birdhouse plans below. In addition, the plans include a black vent pipe that when heated, will draw air into the air space from below the box (See photo above). Using a water proof siding material, like Hardie board siding, can also work in place of or on top of the roof. It also deters predators from reaching in and attacking the nest. This bluebird nesting box design uses a 3 foot board 1" x 10". Sanitize bluebird houses at the end of the nesting season. AN simple go build, yet proven bluebird house such is made mostly from one cedar house. Most of the time, “they’re very tolerant,”. These birdhouses for outdoors interior grooves, like a small ladder, help young birds leave the cedar bird houses for. Make a 4″ by 4″ floor (inside dimensions) and 9″ floor to ceiling height (inside front). Don’t worry too much about scaring away the bluebirds when you’re monitoring the boxes. Underparts of both sexes are rusty on throat, breast, and sides, with white on the belly and under the tail feathers. This Bluebird House is constructed from a single Cedar Picket Fence Board and some hardware cloth. 3. Alternative Bluebird Nest Box. A clamp is not necessary but can be helpful for keeping edges straight during assembly. Install birdhouses in the right places. Readers can pick a plan and follow the measurements to build a birdhouse. Enjoy watching your bluebirds. from basic nest box to bluebird mansion! Vinyl Bluebird House $109. Mounting hardware included. The female eastern bluebird has a brown chest and neck with subtly blue wing feathers. European Starling and the House Sparrow (not to be confused with native North American birds, such as the Song Sparrow, Tree Sparrow, etc. Build the western and mountain bluebird nest box with red cedar, pine, or almost any soft wood. 16) Free American Kestrel Nest Box Plans. 5-inch wide hole, placed 6 inches above the base of the board (use a compass and pencil to draw the hole first). The bluebird bird house plans come from a book that my Dad has owned for as long as I can remember. Blue bird house's cedar also can keep out weather-related damage ; SAFE HOME FOR FLEDGLINGS: SISTERBIRD birdhouse kit predator guard around the entrance hole can help young birds against predators. Optionally sand all pieces smooth. 99. How to Build a Birdhouse: With just one plank you can build this stylish birdhouse that will last for years to come. This hole needs to be precise because it allows enough room for the bluebird to enter through. Bluebirds lay 2 to 7 pale blue eggs in a tidy, cup-shaped nest of woven grass. On the opposite side of the template, measure up 8-1/2" and make another mark. Bluebird With iridescent blue upperparts. 19) Andy’s Free Bird House Plans. Plans to Build a Classic Blue Bird House (12) $ 1. Cut List. Plans for building a number of different. Use this bluebird house plan to attract these native cavity nesters. House of Bluebird. This project uses guidelines from the North American Bluebird Society and is built entirely from cedar. Below we have included free bluebird house plans, a simple one-board box that's relatively easy to build. 0. Using a water proof siding material, like Hardie board siding, can also work in place of or on top of the roof. Lisa Henrich say: Walk 27, 2021 at 12:47 am. 99 $429. If you are in North America, this likely means that the opening hole of your bluebird house should be facing East. When you assemble the sides, leave 1/4" at the top for ventilation. We would like to show you a description here but the site won’t allow us. Kirsten Schrader. Release planners at Construct101. $379. **If the Osprey platform is placed inland, the height should always exceed the height of any nearby trees or 20 feet whichever is greater. Smooth the edges of the hole with sandpaper A front piece, 6 x 9 inches, with a 1. base and a 1-1/2 in. This bluebird house can be made in less than 10 minutes. 87/Count)SISTERBIRD Bird Houses for Outside, Cedar Birdhouse, Bluebird Houses, Wooden Birdhouses for Outdoor, Blue Bird House for Outside Clearance, Open House, Nesting Box, Assembly Required Beige posohan-sup Cedar Birdhouse, Bluebird Houses for Outside, Front Opening, Outdoors for Clearance, 5. It should look like this: Sources/Usage: Public Domain. A Cooler Bluebird House Design. Avoid colors that are too dark or too bright for safety reasons. Create a Green Roof Birdhouse. blue-joint grass. Weight the lines just enough to allow them to hang in front of the nesting box entrance hole. Bluebird bird house plans. Birds don't really live in birdhouses, but some kinds of birds will use them for nesting. These are birds that normally raise their chicks in hollow trees, but hollow trees are not. This birdhouse (nest box) is made using a piece of wood and PVC pipe. Drill the entrance hole for the birdhouse. It was called the Gilwood box. 11) Mountain Bluebird Nest Box. There may be birds that would love to call your habitat home, but they have a specific nesting requirement which needs to be met. The floor of the bird house needs to be about 4 square inches. These plans can be used to build a bluebird nest box from a single 5' plank of 1" x 6" lumber. The earliest nesting birds may begin investigating potential nest sites and birdhouses as part of claiming territory or their courtship rituals as early as January or February (July or August in the Southern Hemisphere). 5:33 – Where to find Bluebird house plans 6:00 – Birdhouse materials 6:36 – When to put up birdhouses 6:51 – Re-use old birdhouses? 7:15 – Put out food for Bluebirds. 56 inches for mountain bluebirds) Floor space: 5 x 5 inches or larger. CEDAR ALPHA Bluebird House. Eastern Bluebird & Yellow-bellied Sapsucker Birdhouse Plans. Place target nest boxes in areas where unwanted species are unlikely to nest. Cedar Double Planter. This species has been observed using nest boxes to stay warm during cold winter. Remove nesting material after young leave so another brood can be raised. Here are the steps to build your own blue bird. Avoid colors that are too dark or too bright for safety reasons. DIY Gourd Birdhouses from Happiness is Homemade. Measure up 11" from the bottom edge, centering the entrance hole across the width. and drawings. Most of these plans include detailed instructions and materials lists, so you can be sure you’re. Oceek Cedar Blue Bird Box House Wood Bird House Bluebird Box House Cedar Wren and Chickadee Wren Home Outdoor Hanging Wood Birdhouse No Assembly Required Hummingbird House (1Pack 3115 Assembled) $14. One-Board Plan. #nativebirds #housesparrow #invasive. Simple bluebird house plans, includes a free PDF download (link at bottom of blog post), measurements, and illustrations. 5–1. That’s it! Next, learn how to build a bluebird house and attract nesting birds with better birdhouses. If you want actual plans and dimensions, there are a lot available online, search for bluebird bird house plans. 6-30 feet. 7) Gilbertson Bluebird Nest Box. Instant Download Bird House Plans For 6 Common Backyard Birds DYI Woodworking Project Wren Woodpecker Blue Bird Chickadee Nuthatch Titmouse (35) $ 5. Outhouse Birdhouse. 17) Wren House Plans. The roof peaks on the front and back sections of the two larger units are cut at a 45-degree angle (I used a power miter saw). Jamie Nack: You can help by building and maintaining a Bluebird nest box on your property. 75"H. turning holes. A front piece, 6 x 9 inches, with a 1. I came down 2 inches from the top center of the front board. 1 cm) from the top of the wood and 2. Featuring an easy-open front panel, it slides down for checking the progress of nesting birds without disturbing. Wren boxes can also be firmly fixed to the side of a building or tree or can be hung freely from a wire. 89. Entrance diameter – 2 inches. It generally has a flatter cup than the bluebird’s and is usually lined with many feathers. Call 1. 10 Coolest DIY Wren Bird House Plans. These two types of bluebirds have. Simple easy instructions allow you to create beautiful bird box in the shape of a log cabin. 'Wood is the best material for bird houses, the. Each thin section inside the house should be at least 3/4-inch to 2 inches wide, spanning the length of the box. Practical and great design to offer the best bird. Don’t put perches on any bird house. Use the slot entrance box if you have problems with starlings or house sparrows nesting in the box. TB-1 is from 1x12 cedar/pine, table saw required. She's been with the brand in various roles since 2007. Bluebirds raise two or three families of three to sixBlack oil sunflower seeds are a great overall choice that many birdhouse residents will appreciate, or birders can provide specialized foods to attract certain birds, such as suet for woodpeckers or mealworms for bluebirds. 6) DANDR Nestbox Plan. Keep bluebirds roosting in your backyard with the conventional design of this Cedar Bluebird House. or to avoid on a good bluebird nestbox. The Bluebird Recovery Program of the Audubon Society of Minneapolis partnered with the DNR Nongame Wildlife Program to sponsor workshops, publish education materials and promote the. DIY: Build a Bluebird Box With a few tools and materials, you can make a home for bluebirds in your backyard. These will be the front and back of the birdhouse. By Jesse Grantham June 29, 2012 Birds in This Story Eastern Bluebird Latin: Sialia sialis Photo: Photograph by Jeff Hutchens Birds Tell Us to Act on Climate Three Designed Birdhouse Plans. MOUNTING AND PREDATOR DETERRENCEto keep nestbox contents safe from the typical predators found in your areaThe minimum height to install the bluebird house is at least 5′ from the ground. Bluebirds build a nest within the bird house made up of dry grass and straw. This will. Oceek Cedar Blue Bird Box House Wood Bird House Bluebird Box House Cedar Wren and Chickadee Wren Home Outdoor Hanging Wood Birdhouse No Assembly Required Hummingbird House (1Pack 3115 Assembled) 4. These habitats are far more suitable for house wrens, which will dominate nest boxes. Kenn and Kimberly: Cleaning is an important part of being a responsible bird host. Gtongoko 80 Inch Bird House Pole Kit, Heavy Duty Adjustable Bird Feeder Pole for Outdoors with 5 Prongs Base, Universal Mounting Kit for. Predator guards provide. My apologies, but All Things Bluebirds is adamant about this one. $82. Make sure that your new Blue Jay house is at least eight feet off the ground and away from any area where predators, like cats and rats, could reach them. Eastern bluebirds have long been the displaced darlings of Pennsylvania's spring, as well as the poster bird for what can go wrong when people introduce non-native species to a new area. Draw a line down 1” from the top of the house on the sidewall. Download plan: Version 1: 178kb (pdf) Little Pete. Originally Published: September 17, 2013. Mountain and Western Bluebirds are found west of the prairie states. create Profile toolpaths using the toolpath operations menu. Triangle Bluebird House. only 4 inches/side available Eastern Bluebirds. Cut a 22. 5-degree bevel cut on the top edge. Step 2. Flicker House Plans. Use your computer “mouse” to rotate the house to see the sides, top and bottom. 810–3. Here in the Peach State during the spring and summer (the bluebird’s nesting season), the. 2. Requirements: 5-1/2” x 5-1/2” x 10” high; hole: 1-1/2”, centered 6” above the floor; color: earth tone; placement: 5–10’ on post facing open field (preferring east, north, south, and then west facing. The plan above specifies a 1. Place these around the openings so that they stay the size you want. Multiple features of this bluebird house make it resistant to house sparrows. +. General description: A blue and rusty songbird found throughout Minnesota. Birdwatching Bliss!: One-board bluebird house plan along with. Crafted with recycled plastic, this eco-friendly bluebird house not only benefits the environment but also meets all the essential requirements for bluebird comfort, including proper ventilation, floor size, and entry hole dimensions. 5 Depth: 22 Stories: 2 Master Floor: Upper Floor Bedrooms: 2 Bathrooms: 2 Bathrooms Cars: 1. especially starlings and house sparrows. 9) The Carl Little Bluebird Box. Cover the hole with ¼-½" hardware cloth. 5-degree angle cut on top end. It should be no higher than 6 ft. into the ground and has a set screw and 1/2 in. This takes a couple minutes. Even though bluebird populations have decreased, their future can still be promising. Our top-of-the-line bluebird house includes all of the key elements needed for a successful nesting experience for both tenant and landlord. 00. for some blue jay bird house plans. If you only have Eastern Bluebirds, you can use a 1½ inch hole. With such a large amount of land to cover and little to no trees or obstructions, farmlands are perfect places for you to install a bluebird house. Chapter 7 - The Alternative Wren House Plan – This is an alternative plan to the basic plan for smaller birds like the wren and they love it Chapter 8 - The Basic Robin, Phoebe and Barn Swallow House Plan – This is an open sided birdhouse plan for these species Chapter 9 - The Basic Owl House Plan – This birdhouse plan is excellent for theTurn your yard into a bird sanctuary with these Cedar Traditional Bluebird Houses. Step 1. The eastern bluebird is a small thrush with a plump body and short, straight bill. 3. Model # YEN134HH-TUR. This is my favorite plan for a bluebird nest box. Building a blue bird house is a fun and rewarding project that can be completed in just a few hours. Red-headed Woodpecker. House sparrow eggs can be cream, white, blue or greenish colored, with irregular brown or gray speckles. Two venting options. 4 cm) from both sides. House sparrows were originally introduced to New York in 1851 from the UK, and today they are one of the USA’s most common songbirds. Quick clean under 10 minutes. 5) Eastern or Western Bluebird Nestbox Plan. 3) organization dedicated to education, conservation and research to promote the recovery of bluebirds and other native cavity nesting bird species of North America. Hammer and drill for pre-drilling holes or an air powered nailer (16-18 gauge is all you need). Print Birdhouse Plans with clear drawings and dimensions for each bird species. Entire head: 8 inches in 12 units with the back slightly higher in shed water. Eastern Phoebe - Plan 6. Predators such as raccoons can climb trees, fence posts, wooden poles or PVC pipes. Eastern, Western, and Mountain Bluebirds. 8) Peterson Bluebird Nest Box. 579 bluebirds were fledged, averaging 2. 5. Grayer underneath and lighter on the throat & tail coverts. Various types of treated lumber should not be used because of its chemical toxicity. Find more free bird houses plans or discover more nesting boxes and bird feeders. 6 Owl House Plans 9 Owl Species. Measuring from the ground to the bottom of the box, mount your bluebird box at least four feet, but no more than 15 feet above the ground. 5 inch Forstner bit which left a nice, clean hole. Even with nest boxes in place, bluebirds must compete with both introduced and native. residents to put up the bird homes. Most bluebird pairs raise one or two broods per season, but some raise three broods, rarely even four or five. Bluebirds, often referred to as harbingers of spring, are year-round residents in many locations across the state, although populations from northern areas commonly. These bluebird birdhouse plans were designed specifically for bluebirds, but other small birds, like titmice, wrens, and chickadees, might find it a suitable shelter for nesting. Solitary Bees -. Common Goldeneye. Measure down the front panel 1 ¼ inch and drill two pilot holes. Remove sparrow and starling nests. House sparrow nest (left) and bluebird nest (right). 5 x 6 inches. 3 1/4" high x 4 1/4" wide. North American Bluebird Society Dandr Bluebird Nestbox Design by Douglas DesPain MATERIALS LIST Board Diagram Allow for kerf when measuring and sawing • Standard board 1” x 6” x 4’ long • Standard Board 1” x 8” x 7¼” long • Hardiplank® ß” x 8¼” x 8½” • 1-¼” coated deck screw - 22. To work, the line must be installed at the beginning of the nesting season, before any sparrows lay claim to the bluebird box. Boxes should be 12 to 20 feet above the ground. Just set up a bluebird house instead and you’ll accomplish the same goal. Bluebird Nest Box. 50. Whenever possible, mount bluebird nesting boxes on poles made of metal or sunlight-resistant PVC pipes. For most yards, select just one or two bird species that are known to nest in bird houses in that region. Wings and tail bright blue barred with black. Set up your nest box in an open area, away from houses and barns. This budget-friendly DIY simple platform bird feeder will attract cardinals, chickadees, woodpeckers, mourning doves and more. Eliminate Garden Pests By Building A Bluebird House. White-breasted Nuthatch: Plan 1 & Plan 2. Oceek Cedar Blue Bird Box House Wood Bird House Bluebird Box House Cedar Wren and Chickadee Wren Home Outdoor Hanging Wood Birdhouse No Assembly Required Hummingbird House (1Pack 3115 Assembled)2. The Easy Bluebird House Plan The Easy Bluebird House Plan | Source: Pinterest. Article Sources. 51"×9. This traditional shaped wren birdhouse plan is great for those DIY’ers who are just getting into woodwork. 7) Gilbertson Bluebird Nest Box. The classic bird house is a great choice for the backyard. 25"W x 11. Upperparts are bright blue in the male, gray-blue in the female. Repeat process every year. Young people using our service have complex mental health problems which mean they pose a risk to themselves or others. Incubation is mostly by female, about 13-16 days. 5”x4. Steve and Dave Maslowski Bluebirds, like this western species, prefer a 1 1/2-inch entrance hole. 50. Originally Published: September 17, 2013. Main Floor Square Footage: 413 Upper Floors Square Footage: 586 Site Type (s): ADU Lot, Back Yard, Flat lot Foundation Type (s): crawl. Everything you need to have success about bluebird houses! Includes PDF plans, DIY picture tutorials & the BEST pre-made nest boxes. Drill the door hole a little higher than halfway to the top. Eggs (5–7) are white, pointy on one end, and smaller than those of a bluebird. Bluebirds should be arriving soon in Iowa, so now's a great time to clean out those bluebird boxes, or if you don't have one yet, to build your own! If you're cleaning out an existing house, watch out for other wildlife that may have taken up residence there. Qty. hole centered 6 in. Bluebird bird house plans. Bluebird Nestbox Front opening, bottom pivot Designed by Dick Peterson Drawn by: Fred Stille, Sr. NABS was founded in 1978 by Dr. The North American Bluebird Society recommends mounting your bluebird house on a zinc-plated electrical conduit pipe or a plain metal pipe. Measure out four holes about 1” apart. 87 ($14. Assemble the bird house using exterior wood glue and 1 1/2″ finish nails. The Materials List: One piece of untreated wood, at least 24″ x 18″ Hammer and nails; Drill with a ½” bit; JigsawOwl House Plans - these owl house plans are designed for a Screech Owl or a Boreal Owl. 8) Peterson Bluebird Nest Box. Dimensions: 8"L x 5. Straw is a poor choice. Free Birdhouse Plans – Build this unique beautiful birdhouse with a steep roof (with. . Classic 22 Side-Opening Box (NestboxBuilder. Donate ( $ ) Minimum donation amount: $ 0. Materials and. More are. We are looking for a volunteer to monitor this trail next year. Attach this home to a post in moments with its two predrilled holes on the back and included screws. Consider using a PVC-style bluebird house, like the “Gilbertson” nest box. We’ve sized this birdhouse to fit a variety of smaller bird species. Give Bluebird House A Superior Look By Painting It. . Black forehead and some black around the neck joining some black on the back. By the time Spring comes, the gourd will be ready to be cleaned and emptied, since all of its contents should be dried out. General bluebird nest box dimensions should be: at least 9”x4. Building and mounting them properly will help deter predators and. Cut two segments from your board that are 8 inches long and one segment 11 1/2 inches long. (optimum) Alternate: 1 1/2"a bluebird. " DFD-9664. You can also click here to see a 3D view of the finished product. Sand all edges prior to assembly. Bird House Plans: DIY Bluebird House. If you’re wondering what the correct way to. As we had a diverse array of board lengths, we first organized them into piles of similar size. Weight: 1 1/4 ounces. Make those cuts (first cut should be on a 15-degree angle, the rest will be straight cuts). All Bluebird houses must have predator guards. He promoted bluebird conservation through hundreds of talks and articles in many. The front of this nest box swings open to allow for easy cleaning by removing the two bottom front screws. Although. 20) Andy’s Bluebird House Plan. Drill the entrance 1 1/2-inch hole centered 6 inches above the bottom of the front board. Bluebirds don't seem to mind the "sun roof" but sparrows will be discouraged by it and may nest elsewhere. The bottom should be recessed ¼ of an inch. It was called the Gilwood box. The North American Bluebird Society Inc. Initial studies suggested the Gilwood box marked an improvement over other nest-box designs. Readers can. How to Build a Bluebird House. Many of them are suitable for a wren. Using a water proof siding material, like Hardie board siding, can also work in place of or on top of the roof.