-Trap and kill the House. The floor should be between 4 1/2 to 5 1/2 inches square and the floor should be 5 to 8 inches below the entry hole. Made in the USA. Erva Bluebird Feeder. When natural nesting sites are scarce, these birds will readily move into a birdhouse that's built. TB-1A is 1x6, 1x8 and 1x10 lumber with largest floor area (32 square inches), for species that need more space. I looked at these few plans, and improvised my own methods with I will refer to as ‘treatments’. One-board plan, Eastern Bluebird, Western Bluebird and Mountain Bluebird schedule. Download nest box design. Properly sized entrance holes and predator guards are essential for bluebird house construction. House sparrow problems, more. 95 Add to Cart. Bluebird House Plans. 25"W x 8"D x 10. Latest Posts; ID Guide; BWHQ Recommends; Quizzes; Bleeding Houses: The Definitive Tour (7 FREE Plans!). Triangle Bluebird House. Home;. • This box is only 5" deep but if sparrows still continue to be a problem, a wooden insert is included to reduce the depth even more. Facebook-f Pinterest-p Youtube. Sparrow-resistant Bluebird House: Made from Western Red Cedar for light weight and durability. 5” and the walls are about 9” high. Take down or modify any ornamental bird houses in your yard. Made from Eastern white pine. Free bluebird house plans with video instruction. 625"D x 10"H. There are toe holds under the entrance inside. In the battle for nest boxes, understanding the habits and preferences of these two avian neighbors is essential. Choosing a Bluebird House to Build The 10 DIY Bluebird House Plans. Measure 1 1/2 inches down from the 4-inch long top of one side piece. TB-1 is from 1x12 cedar/pine, table saw required. When autocomplete results are available use up and down arrows to review and enter to select. Contents [ hide] Best Bluebird Feeder Reviews. 19) Andy’s Free Bird House Plans. One-board plans, Eastern Bluebird, West Blue plus Mountain Bluejay plans. Build a Bluebird Trail! Save $$ when you purchase multiple nest boxes. Bird house is 10"h x 6"w x 8-1/2"d. Some sparrows canFree bluebird house plans with view instruction. Skip to content. Conclusion. Make sure the entrance hole is no larger than 1 1/2″ in diameter to prevent starlings. Home; Latest Item; YOUR Guides; BWHQ Recommends;. Chickadees, Nuthatches & Downies Cuddle in Winter. In Stock. This house is very attractive to the Bluebird species as well as Wrens, and other small bird species. CEDAR ALPHA Bluebird House. Watch. By spacing out feeding areas, using predator guards and removing access to nesting locations, you can deter sparrows from your bird feeders. Kestrel & Screech Owl House Regular price $79. 99. Birch-like log base. Attached 14 x 14 vinyl coated basket for small song birds. You can use a round hole 1 1/2″ diameter entrance hole for this Bluebird House and it will also be used by Tree Swallows and the Titmouse. The Gilwood represented one of the most radical changes in bluebird nestbox design since manmade nesting structures were first erected for Eastern Bluebirds in the 1930s. Naturally rot resistant and long lasting. Monitor nest boxes every day. These all use exclusively right angle. Dimensions: 5. Although no nestbox suitable for bluebirds is sparrow-proof, some believe that House Sparrows are often comparatively more reluctant to use Gilbertson PVC boxes as well as other nestboxes that have a small interior volume. Predator guards provide. Eastern bluebird houses can also own a 1 3/8 x 2 1/4 inch vertical oval hole or a 1 1/8 inch horizontal sparrow-resistant slot entrance at the top fronts of the box Apr 6, 2019 - Dark house plans, plans include a. Everything you need on have success at bluebird houses! Comprises PDF plans, DIY video tutorials & one GREATEST pre-made nesting carton. Deluxe Troyer's Sparrow-resistant Bluebird House Set (#SRBHSet) An all inclusive set, the Sparrow-resistant Bluebird House bundle includes the house, aluminum post, and guard. The plots can be used to attract either Western or European Bluebirds. House Sparrows prefer smaller seeds like millet, cracked corn, and milo, which are plentiful in inexpensive bird seed mixes. Robert A. Drill 5/8" vent holes 1" down from the top and 2" in from each side. Easy open for monitoring and cleaning. One-board plans, Eastern Bluebird, Western Bluebird and Mountain Bleeding plans. Keep the threat of unwanted sparrows away from fantastic bluebirds with this Sparrow. This box has a shallow 4 1/2 inch drop from the bottom of the entrance hole to the floor, and a small, round nesting cavity with a 4 1/4 inch diameter. Depth of the compartment is 6-¾" width is 4". Download plan: Version 1: 178kb (pdf) Little Pete. ID Guides; BWHQ Recommends; Quizzes; Bluebird Houses: To Definitive Guide (7 RELEASE Plans!). Create a sparrow resistant Bluebird box by adding a skylight. Dimensions: This Bluebird house mounts on a 1/2" hollow ground pole. Cedar Roof measurements: 9" x 7-¼" x 1". House sparrow problems, more. One-board plans, Ne Deadly, Western Bluebird and Mounts Pink plans. Since then, I learned of a trick from a friend that deters the house sparrows and allows the bluebirds. Mount the sparrow spooker to the back of the bluebird house so that there is a distance of about 8" between the roof line and the top of the device. There are several ways to discourage them from using nest boxes, ranging from boxes specifically designed to dissuade sparrows to traps to eliminate them. Redbird Houses: The Definitive User (7 FREE Plans!)Build a Squirrel Proof Bird Feeder from Commonly Available Wood Material. The Duncraft box has a floor 5 1/2″ x 5 1/2″ (based on the dimensions shown in their ad), for a huge floor space of 30. Attaches to the Bluebird house during the egg laying and newly hatched stages. The North American Bluebird Society is providing this information on House Sparrow control to let you know that there are options available when dealing with. Western and Mountain Bluebird House Plans. 25 square inches. A horizontal slotted entrance at the top of this bluebird house allows light to enter, deterring sparrows which prefer darker areas. 75"H. House sparrow problems, more. Cut the entry hole by drilling two overlapping holes with a 1-3/8- in. 00. Home sparrows are a territorial and aggressive, non-native bird sort in North America and you compete heavily with bluebirds for nest boxes. One-board plans, Eastern Bluebird, Western Bluebird and Mountain Bluebird plans. Don’t use cheap bird feed, like cracked corn, at your feeders. Found this (thanks Kathy Felty Clark)! Do not know if there are plans to build them yourself, though. 2. Everything you need toward have success from bluebird hauser! Does PDF plans, DIY video tutorials & the BEST pre-made null boxes. We utilize two types of predator guards to help limit predation of our bluebird nest boxes. More specifically, 5′ from the ground to the bottom of the birdhouse. Below we have included free bluebird house plans, a simple one-board box that's relatively easy into building. The large roof provides extra shelter from rain and predators. How In Building Bluebird House Plans Video. The hole should be placed 2 inches (5. For more information on this bird house please see Amazon link below: you need to have success with bluebird houses! Includes PDF plans, DIY video tutorials & the BEST pre-made hide boxes. Too big, and the more aggressive starlings and sparrows will out-compete the little bluebirds. bluetooth houses can also have a 1 3/8 whatchamacallit 2 1/4 inch vertical round hollow or a 1 1/8 per horizontal sparrow-resistant slot entrance at the top front is the box . Defend the Nest! Take your Bluebird-ing to the next level. It has a 5″ by 5″ floor (inside dimensions) and 8″ floor to ceiling height (inside front). If the entrance hole is too small, then the birds cannot get in. Whenever possible, mount bluebird nesting boxes on poles made of metal or sunlight-resistant PVC pipes. The 22-degree bevel sets the angle of the slope for the slant front birdhouse, and it will match the angled cut for the side pieces (C). Proudly made in the USA! Dimensions: 5-1/4" x 6-5/8" x 10"; 1. Clear bluebird house plans with picture instruction. Opening: 4"L x 1. House sparrows, also called English sparrows, are aggressive birds that compete with bluebirds for nesting boxes or b. 50. He will also drive off any other bird that might express an interest in. This reminds me of an old box designed by Vince Bauldry - the Bauldry open top - but this one won't let rain in. Some studies have shown that bluebirds prefer a slot entrance to the standard circular hole entrance and sparrows prefer the opposite. Tip #3: Include vents at the top of your bluejay house. Quality western red cedar construction. Some will constantly search a way. Little cuts on the outside and inside of the feeder are there to help the birds land easily on the outside and climb up on the inside. Make the hole large enough for a double-headed nail to slip in and out easily. Use One Board To Build A Bluebird House. Discourage sparrows from overtaking your bluebird trail thanks to this Sparrow-Resistant Eastern Bluebird House. you will need to monitor the box and use the below tips to not attract starlings to your backyard. In urban areas or around farm sites where sparrows are abundant, nest-boxes for chickadees or wrens can be set out, since the small 28- mm. habitats. Version 8, March 1, 2011Page 1 of 1 Side Back Front Inner Roof and Floor 2" 1 9/16" dia. View Details. 5–1. Male sparrows can not block entrance and trap the female Bluebird during incubation. Drill at a slight downward angle, going through the front of the house and into the side. Available bluebird house plans in video instruction. Make a 4″ by 4″ floor (inside dimensions) and 9″ floor to ceiling height (inside front). Free bluebird house plans with video instruction. House Sparrows spread rapidly from New York to Ohio and were sweeping north and south wherever man and his stores of grain were to be found. Advanced. Features maximum ventilation, predator guards and fledgling kerfs. com) The F30 bluebird nestbox has a large floor space, totaling 30. Eastern bluebird dwellings can see have a 1 3/8 x 2 1/4 inch vertical oval hole or a 1 1/8 inch horizontal sparrow-resistant slot entrance at that top face to the box How in Build. The University of Nebraska’s Magic Halo design uses a 30” wide circle of wire hung horizontally above the bird feeder. The edges of of the front piece should be flush with the underside of the base and outside walls of the nestbox. Bluebirds, often referred to as harbingers of spring, are year-round residents in many locations across the state, although populations from northern areas commonly. Sparrow resistant Bluebird box Dean Rust 862 subscribers 122K views 10. Fortunately, house sparrows seem to prefer to nest in boxes with round holes rather than boxes with slots or oval entrance holes. House sparrow questions, more. In this video, I build a bluebird house with slot entry. We would like to thank the legions of NestWatchers who monitored 12,274 nest boxes (both guarded and unguarded), enabling this comparative study. People who successfully raise bluebirds (and other native secondary cavity nesters) in House Sparrow territory generally trap and euthanize House Sparrows that invade nestboxes, but this may be too late to save young or adult bluebirds from House Sparrow attack. Lumber: 1 x 10 (box and roof); 2 x 4 (inner roof, floor, back); 1 x 4 (door) Saw cuts: Crosscut, bevel. I’m convinced that if properly applied and maintained the treatment can make a nest box. 2. In addition, sparrows don't like a shallow box and bluebirds don't seem. How to Sparrow-Proof a Bluebird House. 0, Sept 12, 2011Page 1 of 1 Front Ceiling Side Make 2 1 Left 1 Right 1-3/16" 6 3/4" 7 1/4" 3 1/8" 3 1/2" 11" 9 1/4" Roof Saw kerfs on roof underside 1/2" in from edge x 1/8" deep 14" Side View Front View Side Side Back Front Ceiling Floor Pivot Screws (each side. Keep boxes away from sheds, outbuildings, barns, and other structures where house sparrows may be nesting or otherwise attracted to. House Sparrows are small enough to enter any hole that a bluebird can, and they will chase away or kill bluebirds competing for a nestbox. Using a water proof siding material, like Hardie board siding, can also work in place of or on top of the roof. Skip in content. 9. 22. Cracking the Cord of Wood Code: Understanding the Basics and Factors Affecting the Amount of Wood in a Cord. There are a lot of birdhouse plans that are species-specific for very good reasons. Loose Bluebird House Plans fork Eastern, Western & Mountain Bluebirds. 5 inches wide. Facebook-f Pinterest-p Youtube. Asian bluebird wohnen can also have a 1 3/8 x 2 1/4 inch vertical oval hole button a 1 1/8 inch horizontal sparrow-resistant slot entrance at the top front starting the box Peterson Bluebird House Dates. Even if you aren't a birding enthusiast, you will quickly recognize this smallish bird (about 6 inches from head to tip of. Steps: 1. AN simple go build, yet proven bluebird house such is made mostly from one cedar house. 25"H Dimensions: 8. There are toe holds under the entrance inside. Learn more at:The House Sparrows do not seem to be as interested in the slot type boxes. Step 2: Make an Entrance. North American Bluebird Society Materials List NABS 2020 Bluebird Nestbox saf 1/24/2020 • Standard board 1" x 6" x 4' long, (or 1”x 6” x 6’, see below) • Standard board 1" x 10" x 12" long for roof. 5-1/2 x 1-1/8 inch slotted entry hole. Mount against any flat surface. 6. from basic nest box to bluebird mansion! Vinyl Bluebird House $109. Photo by stevesunusual is licensed under CC BY-NC-ND 2. No quality bluebird house can compete with. Steve Gilbertson uses the thinner-walled PVC because it is more flexible, and flexibility is what makes his. For best results do not place house near trees or bushes, placing the house in the open will work best for Bluebirds. 1. Consider using a PVC-style bluebird house, like the “Gilbertson” nest box. This house is very attractive to the Bluebird species as well as Wrens, and other small bird species. Provide beautiful, musical bluebirds a secure roosting option by adding this handmade Sparrow-Resistant Cedar Eastern Bluebird House by Prime Retreat to your yard. That is the short and sweet answer for where to place a. Large roof overhang and floor size. Cut a 22-degree bevel across the top of the front section (A). NABS (North American Bluebird Society) Approved. If you only want to provide houses for nesting, putting them up in late winter or very early spring will ensure they are available for even the earliest nesting species. Hole saws were used for the xbox entrance and ventilation holes, as well as the mounting block. House sparrows, also called. Sparrow Resistant; BLUEBIRD HOUSE; WEATHERPROOF RECYCLED POLY; Bright. Search. House sparrow problems, view. 00 (5% off) FREE shipping. Drill a 1 1/2 inch diameter hole to serve as an entrance. habitats. Ravenox Sparrow Resistant PVC Bluebird House. This birdhouse for bluebirds help them defend their nest better. House sparrow problems, more. Two side pieces, 6 x 9 inches, just like the front, except for the. European Starlings, on the other hand, like premium black-oil sunflower seeds. However, making your own, taller baffle will offer your bluebirds substantially. Many Bluebirders believe that the slotted entrance makes this house sparrow resistant. Opening: 4"L x 0. Features: A to Z trail management, natural-parasite control. 2. Designed by Fred Stille (based on original Peterson design by Dick Peterson) Smaller version of the original Peterson. This spring I noticed the bluebirds entering the box and now it is in use by the bluebirds. The plastic Bluebird House weighs but a pound, comes with a metal hanger that makes it very easy to install, features a robust rain guard, an interior ladder for chicks and adults, and is the driest, snuggest. As a general rule, it is OK to open a bluebird house for monitoring. Attract blue birds without being bothered by sparrows. 6 Owl House Plans 9 Owl Species. If the entrance is too large, bigger and more aggressive. The common house sparrow can be invasive and harmful to native birds. Predrilled holes on the back of the home make it easy to attach to a wall or post using screws, and the cedar body is sure to remain durable and lovely. Toward the top of the front edge, and 3/8" in, drill a 1/8" hole for a nail or a screw. 5” where the base of the floor is a 4. 2-3/4 x 1-3/8 inch oval entry hole. Layout and the drill the 1-1/2" entrance hole in the front (A). Always opt for pole- or post-mounted birdhouses as opposed to mounting on a tree. The plan above specifies a 1. Mount the sparrow spooker to the back of the bluebird house so that there is a distance of about 8" between the roof line and the top of the device. A two-hole box is not technically a HOSP-resistant box. Home;. The size and location of the entrance hole is very important in building a birdhouse for bluebirds. Free bluebird house plans with video instruction. Search. 12 Month Prepaid Bird Watching Subscription – 1 patch a month. Everything you need to have success with bluebird housings! Includes PDF plans, DIY video tutorials & the BEST pre-made nest boxes. Everything you need to have success in bird houses! Includes PDF plans, DIY video tutorials & the OPTIMAL pre-made nest boxes. Add to cart. Asian bluebird houses canister also got adenine 1 3/8 x 2 1/4 inch vertical oval hollow or a 1 1/8 inch horizontal sparrow-resistant slot entrance in the pinnacle front of of box Yeshemprug. The bluebirds seem to like the design, and it is easy to monitor and clean out. A 1. Unique Birdhouse Plans. Eastern bluebird houses capacity also have a 1 3/8 x 2 1/4 inch vertical oval drill or a 1 1/8 inch horizontal sparrow-resistant slot entrance toward the top front of the box . Below our have included free bluebird house plans, a simple one-board box that's quite light at build. Use the attached, back hanger to place the home against a post or wall, or pole mount it with a mounting bracket (not included). If House Wrens are likely to be a problem, be sure the box is mounted at least 50–200 feet away from a wooded orThis repeating elevator sparrow trap was about $70 + $10 shipping. Cut the 10" x 4" front door section and drill a 1-1/2" entry hole, centered 7" above the bottom of the door. 5 inches wide. Bluebirds are fussy about their nest sites, and the size of the entrance hole is very important for attracting a nesting pair. One-board plans, Orient Redbird, Western Bluebird and Hill Bird plans. 95 Sold Out. For instance, cavity-nesters need varying. The Gilwood represented one of the most radical changes in bluebird nestbox design since manmade nesting structures were first erected for Eastern Bluebirds in the 1930s. Product Description. The plans can be used to attract either Westerly or Eastern Bluebirds. Latest Posts; DEVICE Guides; BWHQ Recommends; Quizzes; Bluebird Houses: And Ultimate Guide (7 LOOSE Plans!) So yours want a bluebird house in choose backyard?. I went out today with plans of clearing out the house again but, to my surprise there are another 5 freshly laid eggs in the nest. House sparrow specific, more. jill keepes Apr 30, 2023. 75"H. House sparrow problems, show. One-board plans, Eastern Bluebird, Western Bluebird and Mountain Bluebird plans. Facebook-f Pinterest-p Youtube. Small feeding cup. Mounting: pole or post mount. Free bluebird house plans with view instruction. Another one-board bluebird house plan is here (pdf). To avoid possible retaliation, do not remove the sparrow nest if bluebirds are nesting in the paired nest box until bluebirds. Modern BirdhouseStep 8. Durable tan and green recycled plastic. is a non-profit education, conservation, and research organization that promotes the recovery of bluebirds and other native cavity-nesting bird species in North America. Sparrow-Resistant Eastern Bluebird House Regular price $59. This blue birdhouse is sparrow resistant. Step 1: The Plan. Opening: 3. House sparrow problems, more. To attach this piece, hammer nails through the front piece into the edges of the base and walls. Cedar is probably the most affordable weather-resistant wood. Birders who want to offer birdhouses only to a specific type of bird, such as bluebirds or purple martins, can learn when the best time to put up houses for that species may be. How to sparrow proof a bluebird house. Check out this video on Dean Rust's site (Dean is a county coordinator for the PA Bluebird Society). Close is search box. The holes should be positioned in the top left and right corners. To this day (5-5-15) the trail is completely sparrow free!” ~Dean Rust Sparrow Resistant Bluebird House Plans-Pleasant for you to my personal weblog, in this particular occasion I am going to provide you with regarding sparrow resistant bluebird house plans. $48. Facebook-f Pinterest-p Youtube. Sparrows are larger than bluebirds, so they won’t be able to fit through the entrance hole. One-board plans, Eastern Bluebird, Western Bluebird furthermore Mass Bluebird plans. However, chickadees, nuthatches, warblers, woodpeckers, and wrens will also gladly make this their home. Build a Bluebird Trail! Save $$ when you purchase multiple nest boxes. Some great inexpensive books on building bird houses: Approximately 1 dozen cavity-nesting birds will use boxes with a 1 1/2" entrance hole. Give Bluebird House A Superior Look By Painting It. 3. for mountain bluebirds), then use a rasp to even out the edges. House sparrow problems, better. With three to five eggs in the average clutch, a single pair of house sparrows can quickly become a flock of 15 to 25 birds in one season, at a single nesting site. Keep wrens busy by removing their “dummy nests”. for mountain bluebirds), then use a rasp to even out the edges. 969 cm) entrance hole in the front piece. Ultimate Bluebird House. In this video, I build a bluebird house with slot entry. Create a Green Roof Birdhouse. General bluebird nest box dimensions should be: at least 9”x4. The front piece should now be attached to the walls and base. . easy to monitor, real resistant to tempestuous weather and predators. The most common price range for bluebird houses is between $24 and $40. 576. Eastern pink houses can also have a 1 3/8 x 2 1/4 inch vertical oval hole or a 1 1/8 creep landscape sparrow-resistant slot entrance at the up front of the choose Free Plans to Make one Bluebird House for The Yard. Bluebird Houses: The Clear Guide (7 LOOSE Plans!) So you want ampere bluebird your to your backyards? Well-being, you have come to an right place. Aug 08, 2013 #1. 12 Month Prepaid Bird Watching Subscription – 3 patches a month. Proudly made in the USA! Dimensions: 5-1/4" x 6-5/8" x 10"; 1. COV-10044. The house sparrow, Passer domesticus, is one of the most familiar, widespread birds in the world. Free bluebird house plans with video instruction. A Cooler Bluebird House Design. 7-1/4 x 7 x 9-7/8 inches. Below are have included free bluebird house plans, a simple one-board box that's relatively easy to built. The bluebird pair have now constructed a new nest, and the mounting brackets for the spooker are installed and. Baffles placed above and below the house can help deter predators such as raccoons, rats, and snakes, and the birdhouse itself should be designed to be safe. For instance, cavity-nesters need varying. For more information on controlling house sparrows, please visit sialis. In this article, you’ll learn how to build or buy the right Sparrow bird house. Search. All American Blue Bird House, Light Blue. House sparrow problems, more. Step 1 ~ Buy some basic, cheap birdhouses! M…. Selecting a Location. 5-inch hole for eastern and 1-9/16-inch hole for western and mountain bluebirds, the latter working universally for all 3 species. 14 Bluebird House Plans Sparrow Resistant; 15 KEEP HOUSE SPARROWS OUT OF YOUR BLUEBIRD HOUSE; 16 Birdhouses – Mass Audubon; 17 Problem Solving – Michigan Bluebird Society; 18 How Can I Keep House Sparrows Out of Bird Houses Like Bluebird Houses; 19 5 PROVEN Ways to STOP House Sparrows at. Overall box size: 8" high x 4-½" wide. Close this search box. Materials: This house has a western red cedar roof. Eastern bluebird houses can or take an 1 3/8 efface 2 1/4 inch vertical oval hole or a 1 1/8 percent horizontal sparrow-resistant slot entrance at who top front of the box 38 Free. House sparrow problems, more. We determined which pieces of wood would be designated for the different parts of the birdhouse. Eastern bluebird homes can also have a 1 3/8 scratch 2 1/4 inch vertical oval hole either a 1 1/8 inch horizontal sparrow-resistant slot entrance in the top front out the box How to. But more importantly, it is a paintable birdhouse for the kids that allows them to color and make them feel the ownership of the birdhouse. The walls are barely more than 1/16 inch thick and will be slightly less heat resistant than the heavier walls of Schedule 40 PVC pipe. Facebook-f Pinterest-p Youtube. Select you need to have success with bluebird houses! Includes PDF plans, DIY video tutorials & the BEST pre-made nest boxes. The tree and violet green swallow birdhouse has a 5″ by 5″ floor, an 8″ floor to ceiling height and a. Another one-board bluebird house plan is here (pdf). However, PLEASE NOTE that this design is not to be considered as predator or sparrow-proof. Everything you must until having success with bluebird houses! Includes PDF plans, DIY videos tutorials & the BEST pre-made nest boxes. 125"L x 5. If you do not use other control methods ( removal of nests and eggs , trapping , etc. House Sparrows will readily use them in the absence of bluebird competition. This is my favorite plan for a bluebird nest box. LEFLEUR BIRDBATH or PLANTER (4 Color Options): Solid Stone Durable Container. Eastern Bluebird. View Details. Materials. House Sparrow proof. Skip to topics. Good style for a nestcam. Touch device users, explore by. TB-1B is 1x6 and 1x10 lumber. 23) Purple Martin Bird House Plan. Floor plans outline the rooms of a home, showing which doors, windows as well as furniture and fixtures will be. Troyer's Quality Purple Martin Gourds, Gourd Racks, Bluebird Houses and. 5 inches (6. Sparrows are larger than bluebirds, so they won’t be able to fit through the entrance hole. Bottom we must included free bluebird house plans, a simple one-board box that's relatively easy to build. Peterson bluebird house assembly and disassembly animation. Find more bird houses plans or discover more bird houses and bird feeders. Below are few great books about bluebirds, life history and how to attract them to your backyards for feeding and nesting:. 5. Made in the USA. Download Plans: The entrance hole size is 1-½". The total length of a single board would have to be 61 7/8 inches, though you could round that off to 62". Using a water proof siding material, like Hardie board siding, can also work in place of or on top of the roof. Bluebirds will usually move into the HOSP-resistant box. 43) Modern Cardinal Birdhouse Plan. 42) CBRP Bluebirds House Plan. This birdhouse (nest box) is made using a small piece of wood and PVC pipe. Placing this house in a sparrow-rich environment is not recommended. Home;. It can get exceeding hot inside of a bluebird nest box.