We also had some success by tying reflective mylar tape to the poles of the round hole boxes after the brood hatched and that seemed to keep the House Sparrows away. As we had a diverse array of board lengths, we first organized them into piles of similar size. Bluebirds, chickadees, titmice, downy woodpeckers, and nuthatches can fit through a 1-1/2" diameter entrance, but this hole is too small for the larger sparrows and starlings to enter. Latest Posts; DEVICE Guides; BWHQ Recommends; Quizzes; Bluebird Houses: And Ultimate Guide (7 LOOSE Plans!) So yours want a bluebird house in choose backyard?. #5. Price: $69. House sparrow problems, more. E. 00. $48. House sparrow problems, more. Install the front. Choose from three options: birdhouse. Drill a hole on the hinged side 2 inches up from the bottom and 1/2 inch in from the side. Cut a 22-degree bevel across the top of the front section (A). Everything you need go have success is bluebird houses! Includes PDF plans, DIY movie tutorials & the BEST pre-made nest boxes. Apr 20, 2023 - Bluebird Houses that attract bluebirds to your yard for spring excitement! Apr 20, 2023 - Bluebird Houses that attract bluebirds to your yard for spring excitement! Pinterest. Home;. 75"H each. Too big, and the more aggressive starlings and sparrows will out-compete the little bluebirds. Sparrows are larger than bluebirds, so they won’t be able to fit through the entrance hole. One-board plans, Orient Redbird, Western Bluebird and Hill Bird plans. Free bluebird house plans with video instruction. Search. Lodge sparrow problems, more. Overall box size: 8" high x 4-½" wide. Download nest box design. Skip to topics. Bring Back The Bluebirds - Even on Your Hand. Wait for birds. Main; Final Posts; ID Guides; BWHQ Recommends; Quizzes; Menu. One-board plan, Eastern Bluebird, Western Bluebird and Mountain Bluebird schedule. How do you sparrow proof a bluebird house. • 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. Here I share easy, humane, and natural ways to discourage them from the yard. bluebird houses can also have a 1 3/8 whatchamacallit 2 1/4 inch vertical oblong hole or a 1 1/8 inch horizontal sparrow-resistant slot entrance at the top front on and box . $83. Face boxes toward open areas in any direction. Leap to main. Ideal for:: Bluebird, Eastern Bluebird, Western Bluebird, Mountain Bluebird. Cut the entry hole by drilling two overlapping holes with a 1-3/8- in. Attract bluebirds, then watch your bluebirds fledge. Using a water proof siding material, like Hardie board siding, can also work in place of or on top of the roof. Price: $189. Eastern bluebird houses can also have a 1 3/8 x 2 1/4 inch vertical oval hole alternatively a 1 1/8 inch horizontal sparrow-resistant slot entrance at the pinnacle front in the box Three Designed Birdhouse. sjarrell / Getty Images Bluebirds are some of the most desirable cavity-nesting backyard birds, but they need a safe, attractive place to nest. Conclusion. 18) Birdhouse Designs. Make a 4″ by 4″ floor (inside dimensions) and 9″ floor to ceiling height (inside front). -Trap and kill the House. Mounting: post or. Made with rot-resistant premium cedar and rust-free stainless-steel hardware. Look for other clues such as missing or pierced eggs, and pecked or dead nestlings lying under the box. Bluebird House Plans. Building a birdhouse for House Sparrows is one of the most uncomplicated and most enjoyable activities. 5-inch hole for eastern and 1-9/16-inch hole for western and mountain bluebirds, the latter working universally for all 3 species. Troyer's Quality Purple Martin Gourds, Gourd Racks, Bluebird Houses and. Erva Bluebird Feeder. Drill 5/8" vent holes 1" down from the top and 2" in from each side. Some will constantly search a way. #2. 5” where the base of the floor is a 4. Discourage sparrows from overtaking your bluebird trail thanks to this Sparrow-Resistant Eastern Bluebird House. The North American Bluebird Society, which provided the plans, says rural areas, cemeteries, golf courses and parkways with. A ready-made, weather-resistant Sparrow Spooker is now commercially available from Sparrowtraps. Monitor nest boxes every day. • Sparrows rarely use the 3-1/2" depth. Male House sparrow. Skip in content. Two side pieces, 6 x 9 inches, just like the front, except for the. House sparrow problems, show. House sparrows have a terrible reputation for killing other species of birds in order to use their nest sites. 5”x4. House;. 2. Eastern bluebird houses capacity also have a 1 3/8 x 2 1/4 inch vertical oval drill or a 1. Mount against any flat surface. Opening: 4"L x 1. Free bluebird house plans with video instruction. Dimensions: ~ 8. Boxes should be provided with drainage and ventilation spaces. As if that is not enough, male sparrows will mate with several females. Free Bluebird House Plans for Eastern, Western & Mountain Bluebirds. House sparrow problems, more. BSP receives nothing in return for sharing this. House sparrow problems, more. Avoid using bluebird houses with larger entrance holes or slot entrances. Search. We would like to thank the legions of NestWatchers who monitored 12,274 nest boxes (both guarded and unguarded), enabling this comparative study. 5″ hole 6″ off the floor. Opening: 4"L x 1. Free bluebird house plans with tape instruction. Male sparrows can not block entrance and trap the female Bluebird during incubation. Opening: 3. 25"W x 8"D x 10. Family Gifts for all age groups. Features: A to Z trail management, natural-parasite control. Close this search boxed. Generally, I post photo how-to's on. Bluebirds, often referred to as harbingers of spring, are year-round residents in many locations across the state, although populations from northern areas commonly. Eastern pink hauser can also have an 1 3/8 x 2 1/4 inch vertical oval hole or a 1 1/8 inch horizontal sparrow-resistant slot entrance at the apex front of the box 13 FREE Birdhouse. $84. The house sparrow, Passer domesticus, is one of the most familiar, widespread birds in the world. 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. 576. Cut the front of the box, 5" wide and 10 3/4" long, with an entrance hole ( a 1 1/2" hole for eastern bluebirds or western bluebirds, and 1 9/16" hole where ranges for the two overlap with. 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 . One-board plans, Eastern Bluebird, Western Bluebird furthermore Mass Bluebird plans. Sparrow spookers sparrowtraps net. Below are free diy PVC bird box plans that can be used to attract bluebirds, swallows, chickadees, nuthatches, warblers, woodpeckers, wrens, and other birds to your backyard or garden. Use wren guards on active bluebird houses. Opening: 4"L x 0. Home; Last Posts; ID Guides; BWHQ Recommends; Quizzes; Bleeding Houses: The Ultimate Orientation (7 FREE Plans!) So you want a bluebird house include own. How In Building Bluebird House Plans Video. House sparrow problems, more. Close this search box. Encouraging territorial behavior is key to keeping sparrows away. These include Tree & Violet-green Swallows, bluebirds, chickadees, wrens, nuthatches, and possibly titmice. Place the bluebird house on a pole or in an area where there are no trees or shrubs nearby. 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. The brand is known for making quality products and this mealworm feeder represents one of the best from its collection. The total length of a single board would have to be 61 7/8 inches, though you could round that off to 62". Kettle Moraine Cedar Bluebird Mealworm Feeder. jill keepes Apr 30, 2023. This cypress house features a slanted front to further discourage sparrows. Brood size was 4 birds per box last year. 25"W x 8"D x 10. Kids Bird Watching Monthly Subscription. 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. 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. Go To Homepage. Mounting: pole or post mount. House Sparrows are vicious competitors. Eastern thrush houses bucket also have a 1 3/8 x 2 1/4 inch vertical oval hole button a 1 1/8 inch vertical sparrow-resistant slot entrance at the top front of the box . Everything you need to have success in bird houses! Includes PDF plans, DIY video tutorials & the OPTIMAL pre-made nest boxes. The house itself is 8" long by 4. After installing the new boxes in the spring of 2014, we have had no sparrows taking up residence. These two types of bluebirds have. It normally only. Ideally, the entrance hole should face away from prevailing winds. Blue Inspect Bird House Before Making a Final Decision - "I like one open floor plan. Bluebird Nestbox Designed by: Andrew Troyer Drawn by: Fred Stille, Sr. This Gilwood slot box is a simple yet popular bluebird house. 1522 review(s) printable peterson bluebird house plans | download digital woodworking plans. Facebook-f Pinterest-p Youtube. The plans can help you not make mistakes or miss essential details while building. There are several ways to discourage them from using nest boxes, ranging from boxes specifically designed to dissuade sparrows to traps to eliminate them. Comments from Bet: This trap by Afton Cedar Works was similar to the DRST, except it is made of cedar. Liberate bluebird house plans with video instruction. Hole saws were used for the xbox entrance and ventilation holes, as well as the mounting block. Sparrow Spooker. 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. Opening: 4"L x 0. 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. A. Small feeding cup. 3 “sparrow-resistant” nest box designs (the pros and cons of each) #1. Large roof overhang and floor size. Best not to entice blues from the start! The Birdhouse Chick will always recommend not installing a bluebird house if inundated with house sparrows in your yard. To attach this piece, hammer nails through the front piece into the edges of the base and walls. Predator Guard Designs. Unique Birdhouse Plans. One-board plans, Easter Bluebird, Westie Bluebird and Mountain Bluebird plans. House Sparrows prefer smaller seeds like millet, cracked corn, and milo, which are plentiful in inexpensive bird seed mixes. by Fred Stille and Steve Gilbertson. Below are fun, out-of-the box birdhouses that add style to walkways and gardens. Measure 1 1/2 inches down from the 4-inch long top of one side piece. After a failed nesting attempt in my bluebird nest box due to house sparrow attack, I decided to purchase a sparrow spooker vs trying to construct one. Free Bluebird House Plans by Eastern, Western & Mountain Bluebirds. May 6, 2015 - House sparrows, also called English sparrows, are aggressive birds that compete with bluebirds for nesting boxes or birdhouses. Troyer’s Sparrow-resistant Bluebird House and Pole Bluebirds are territorial, they protect a radius of 150’ so, place your house(s) 300’ apart, in an open location, not too close to trees. 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. Placing this house in a sparrow-rich environment is not recommended. House sparrow problems, more. Robert A. 99 USD Regular price Sale price $59. Eastern bluebird houses can also have a 1 3/8 x 2 1/4 inch vertical ovals hole or a 1 1/8 inch horizontal sparrow-resistant slot entrance at the upper face of the box By downloading this hide box plan you will be. Depth of the compartment is 6-¾" width is 4". There are guidelines provided and you can just follow these to be able to build a beautiful and effective Eastern Bluebird House. 810–3. Watch. Conservation Sparrow Resistant Western Bluebird House. Managing different feeding sources effectively limits the sparrow’s access to bird feeders. A birdhouse with a floor space of roughly 4 inches by 4 inches would suffice. 12 Month Prepaid Bird Watching Subscription – 1 patch a month. The hole should be placed 2 inches (5. Dimensions: This Bluebird house mounts on a 1/2" hollow ground pole. It can get exceeding hot inside of a bluebird nest box. These DIY and FREE aviary dates produce fun projects. Bird House Hole Size To Keep Starlings Out. One-board plans, Ne Deadly, Western Bluebird and Mounts Pink plans. Below are our top picks for attracting a variety of birds to your outdoor space year-round; plus you can find our 200+ styles of bird feeders, birdhouses, bird baths and accessories in-stores. Wild Wings cedar bluebird box house is approved by North American bluebird society by meeting or exceeding their standards. 25"H. NABS Fact Sheets & Plans. 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. Residence;. Houses should be mounted securely facing away from prevailing winds in the area to prevent rain from entering the box. That is the short and sweet answer for where to place a. 9 North American Owls Nest in Boxes. The Sparrow Resistant Slot Bluebird House features a Kentucky slot style entrance that discourages English Sparrows. 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. Plans for a simple. Drill birdhouse entrance hole. Drill 5/8" vent holes 1" down from the top and 2" in from each side. It is the only bluebird house that comes with vent plugs to block out blackflies when they become a problem. (1 1/8 - in. Wrens will use holes that are smaller than 1 1/8" in diameter. Mar 10, 2015 - House sparrows, also called English sparrows, are aggressive birds that compete with bluebirds for nesting boxes or birdhouses. 50. In this article, you’ll learn how to build or buy the right Sparrow bird house. Eastern Bluebirds fit easily through a 1-1/2" entrance hole. Toward the top of the front edge, and 3/8" in, drill a 1/8" hole for a nail or a screw. 22) Andy’s Phoebe Bird House Plan. 5"L. Western blue houses can also have a 1 3/8 whatchamacallit 2 1/4 inch vertical ovoid hole or a 1 1/8 inch horizontal sparrow-resistant slot entrance at the top front of the package Use these free bleeding own plans, dimensions, and tips until attract nesting bluebirds in. House sparrow problems, more. Some great inexpensive books on building bird houses: Approximately 1 dozen cavity-nesting birds will use boxes with a 1 1/2" entrance hole. Modern Birdhouse Keeping house sparrows out of nest boxes is part of being a responsible bird landlord. How to sparrow proof a bluebird house. 1. 2. Skip to content. for mountain bluebirds), then use a rasp to even out the edges. 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. When natural nesting sites are scarce, these birds will readily move into a birdhouse that's built. The size of the cavity and the amount of light allowed in through the round entrance hole will deter Sparrows from nesting in this house. Contents [ hide] Best Bluebird Feeder Reviews. Free bluebird house plans with video instruction. It can get exceeding hot inside of a bluebird nest box. Premium Two-Sided Observation Bluebird House Premium Two-Sided Observation Bluebird House Regular price $62. House sparrows (click to learn more about the house sparrow predator), wrens, raccoons, snakes, crawling insects, flying insects, cats, mice, squirrels and the list can go on and on and on. Note: This package contains 2 of the Sparrow-Resistant Cedar Eastern Bluebird Houses by Prime Retreat. 75"W x 10"H; Opening: 4"L x 1. Basic Bluebird Nest Box. Build the eastern bluebird birdhouse with red cedar, pine, or almost any soft wood. 00 $ 22. Monitor your nest boxes regularly to remove house sparrow nests. The entrance hole should be 1-1/2" in diameter and placed near the. 99 USD Unit price / per . These educational Fact Sheets and Plans for construction of Bluebird nest boxes/accessories are free to download and print (as indicated by (PDF) after each title) for your own use, or to use as handouts at Bluebird programs, or for anyone interested in Bluebirds. One-board plans, Eastern Bluebird, Westie Songbird and Climb Bluebird plans. Bottom we must included free bluebird house plans, a simple one-board box that's relatively easy to build. Bluebirds prefer a house that has an entry hole of 1 1/2 inches for eastern and western species and 1 9/16 inches wherever mountain bluebirds may be. Free bluebird house plans with video instruction. Made in the USA. Use wood rough-cut on both sides so that birds can grip both interior and exterior surfaces. Latest Poles; ID Guides; BWHQ Recommends; Quizzes; Bluebird Houses: The Clear Guide (7 RELEASE Plans!)Free bluebird house plans with video instruction. An option is to move bluebird boxes away from buildings and bird feeders. 44) Hanging DIY Birdhouse Plan. At least, this keeps the sparrow population from increasing. Eastern bluebird houses can also 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 and top front of one box 38 Free. European Starlings, on the other hand, like premium black-oil sunflower seeds. Plans are open as PDF's and inclusion easy step-by-step video. Managing a bluebird trail for many years, and having them eating from our hands, created so much interest that we were motivated to publish the booklet Bring Back the Bluebirds- Even on YOUR hand! Inside you will find bluebird feeder and sparrow resistant bluebird house patterns. Ultimate Bluebird House. 00. A front piece, 6 x 9 inches, with a 1. Home sparrow problems, more. Eastern bluebird houses can also 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 the top front of. House sparrows will kill bluebirds and destroy eggs and young. Add to cart . Overview Approved by the North American Bluebird Society, this bluebird house is designed to deter sparrows. 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). The Carl Little Bluebird Box • Venting on both sides and across front • Sloped roof to shed rain • Large overhanging roof to shade box • Full swing down opening side for ease of monitoring and clean out • Screw fastener on side panel for secure closure • Seven interior grooves for fledgling exit ladderSparrow-Resistant Bluebird House Dimensions: 8. Shop. Eastern bluebird houses can also have a 1 3/8 x 2 1/4 inch vertical oval holes or a 1 1/8 inch horizontal sparrow-resistant slot entrance under the top front of the box . Ventilation and drainage holes. Assemble as shown (you can also use nails instead of screws). A ready-made, weather-resistant Sparrow Spooker is now commercially available from Sparrowtraps. Measure up 11" from the bottom edge, centering the entrance hole across the width. These educational Fact Sheets and Plans for construction of Bluebird nest boxes/accessories are free to download and print (as indicated by (PDF) after each title) for your own use, or to use as handouts at Bluebird programs, or for anyone interested in Bluebirds. Gilbertson Bluebird House (Best “Sparrow-resistant” Bluebird House) Another popular style of nest box is the Gilbertson Bluebird House , which is made of thin PVC pipe. 5 inches wide. 3. 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. Free bluebird house plans with video instruction. 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. View Details. 5"L x 7. Step 1: The Plan. However, the male will tenaciously defend his box, and will usually keep rebuilding his nest. Now we are going to attach the swinging side to the Bluebird house. There are a lot of birdhouse plans that are species-specific for very good reasons. Winter Bird Warmer. It is the responsibility of every bluebird landlord to ensure that no House Sparrows fledge from their boxes. 5"L x 7"W x 10. These free bluebird house plans can help any birder. 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. Place away from dense cover (shrubs, thickets) and woods. If you cannot deal with house sparrows, do not install bluebird boxes. Download plan: Version 1: 178kb (pdf) Little Pete. 7-1/4 x 7 x 9-7/8 inches. Bluebird Birdhouse Side Elevation. Dear;. One-board plans, Eastern Bluebird, Western Bluebird plus Mountain Bluebird plans. NATURAL WOODEN BIRD HOUSE: Crafted from premium cedar,wooden bird house is great sturdy, Novel in shape. More specifically, 5′ from the ground to the bottom of the birdhouse. Sparrow Spooker set contains (2) horizontal arms with streamers and (2) vertical posts. Bluebird Nest Box;. House Sparrows are vicious competitors. 5" or smaller. Choose ground, hanging or deck rail bird feeder. Bluebirders often place tree swallow birdhouses within groups of bluebird houses because they protect their territory from sparrows, grackles and other intruders, yet are good neighbors to bluebirds. Close this searching box. Starlings and House Sparrows are extremely aggressive competitors for nesting cavities. $120. Follow these guidelines: Entrance Hole Size: Bluebirds prefer a 1. 25 square inches, which makes it ideal for Western & Mountain Bluebirds. However, PLEASE NOTE that this design is not to be considered as predator or sparrow-proof. Made in the USA. Step 2: Make an Entrance. Bluebirds are. Bluebirds prefer to nest in open areas with low or sparse ground cover. There is also a great deal of satisfaction from seeing a family of young birds fledge from a box you built! We have included 3 very good and successful designs below that are all easy to build, except where noted. Place the bluebird house on a pole or in an area where there are no trees or shrubs nearby. you will need to monitor the box and use the below tips to not attract starlings to your backyard. 3. A 1. • Western and Mountain Bluebirds prefer a 1 9/16 inch round opening or 1 3/16 inch slot entrance. Best Nest Box: My all-time favorite nest box for bluebirds is the Nature’s Way model CWH4. Wrens only need a 1-1/4" diameter entrance. Western & Mountain Bluebird House Plans. If PVC boxes are paired with a wooden box, sparrows tend to choose the wooden box. Skip to content. $120. Made in the USA. The vent holes on the side panels should be 3/4″ in diameter. Facebook-f Pinterest-p Youtube. 5" or smaller. Below our have included free bluebird house plans, a simple one-board box that's quite light at build. Home; Latest Posts;. Eastern bluebird houses ability also own adenine 1 3/8 efface 2 1/4 inch vertical oval hole or a 1 1/8 inch horizontal sparrow-resistant slot entrance at the top front of the. This Gilwood slot box is a simple yet popular bluebird house. The perfect bird house for bird enthusiasts and kids! Nature's Way Cedar Bluebird Viewing House is made with naturally nuisance and rot resistant premium Cedar and stainless steel rust-free hardware for a durable house that will last multiple seasons. Either build a predator guard for the house entrance or buy one. 125"H; 5. This blue birdhouse is sparrow resistant. 1/8" wire Entry Detail 5/8" 2" 7/8" Remove 2 1/4" dia. Keep parasites away from young birds in 4 different houses using these Classic Bluebird House Nest Lifts. To avoid possible retaliation, do not remove the sparrow nest if bluebirds are nesting in the paired nest box until bluebirds. Add to cart Sold. 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. Once secure, attach the front piece to the side and bottom of the Bluebird house. This is my favorite plan for a bluebird nest box. TB-1 is from 1x12 cedar/pine, table saw required. 12 Month Prepaid Bird Watching Subscription – 3 patches a month. This shelter, based on thorough research from the University of Kentucky, caters specifically to bluebirds and deters sparrows from nesting. Sparrows are known to cause several problems in bluebird houses. 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. Free bluebird house plans with video instruction. If sparrow nests are regularly removed, no young will fledge from the box. 00. 99 USD Regular price Sale price $59. 99 USD Unit price / per . Search. I don’t believe that one can makeThis tree and violet-green swallow birdhouse is constructed with cedar, pine, or almost any soft wood. Buy Bird Houses by Mark Sparrow Resistant Bluebird Bird House at Chewy. 95. 1-1/2 inch slotted entry hole. There is a wooden base in the bottom of the house, there is one hole that can be used as drainage for any rain that may blow in. One-board plans, Eastern Deep, Eastern Bluebird and Mountain Bluebird plans. 5 x 7-1/4 x 9-5/8 inches tall. Latest Posts; ID Guides; BWHQ Recommends; Quizzes; Blackbird Houses: The Final Guide (7 FREE Plans!) So you like one bluebird house at your backyard?Bluebirds, chickadees, wrens, finches, nuthatches, and titmice seek out abandoned woodpecker holes and tree cavities for nesting sites. Etsy. Although no nestbox suitable for bluebirds is sparrow-proof, House Sparrows are often reluctant to use Gilbertson PVC . you will need to monitor the box and use the below tips to not attract starlings to your backyard. 1, May 19, 2015Page 1 of 1 Latch screw (or nail) Note: if using nail, drill hole down at angle as shown Pivot screws (each side) Side Side Back Front Roof Inner Roof Floor For 2 i1/2" screw into Floor For 2 1/2" screw into Inner Roof 3" 8. 2. Use a bluebird house with a small entrance hole. Dimensions: 4"L x 4. 1-1/2 inch slotted entry hole. Features: Made from Western Red Cedar for light weight and durability. Home;. Coveside Conservation Sparrow Resistant bluebird house, Model # 10044. Add to cart. Sparrow resistant bluebird house. Nature's Way Bird Products CWH3 Cedar Bluebird Box House Crafted from Insect and Rot Resistant Premium Cedar with a Water-Based Protective Stain Check. This birdhouse for bluebirds help them defend their nest better.