bluebird house plans sparrow resistant. This reminds me of an old box designed by Vince Bauldry - the Bauldry open top - but this one won't let rain in. bluebird house plans sparrow resistant

 
 This reminds me of an old box designed by Vince Bauldry - the Bauldry open top - but this one won't let rain inbluebird house plans sparrow resistant  Two side pieces, 6 x 9 inches, just like the front, except for the

Below are fun, out-of-the box birdhouses that add style to walkways and gardens. Dimensions: 5. Black 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. Selecting a Location. Sparrow resistant bluebird house. Free bluebird house plans with video instruction. Bottom we must included free bluebird house plans, a simple one-board box that's relatively easy to build. you will need to monitor the box and use the below tips to not attract starlings to your backyard. 00 $ 22. For further assistance, please use our Contact page. One-board schedule, Orient Bluebird, Westerly Bluebird the Mountain Thrush schedule. The plans can help you not make mistakes or miss essential details while building. Add to cart. Purchased item: Universal Sparrow Spooker. It can get exceeding hot inside of a bluebird nest box. Home;. One-board plans, Eastern Bluebird, West Blue plus Mountain Bluejay plans. Eastward bluejay houses cannot also have a 1 3/8 x 2 1/4 inch vertical oval perforation or a 1 1/8 infeed horizontal sparrow-resistant. Made in the USA. Face boxes toward open areas in any direction. There are guidelines provided and you can just follow these to be able to build a beautiful and effective Eastern Bluebird House. you will need to monitor the box and use the below tips to not attract starlings to your backyard. Steps: 1. In this article, you’ll learn how to build or buy the right Sparrow bird house. Assemble as shown (you can also use nails instead of screws). Facebook-f Pinterest-p Youtube. Starlings and House Sparrows are extremely aggressive competitors for nesting cavities. To attach this piece, hammer nails through the front piece into the edges of the base and walls. We utilize two types of predator guards to help limit predation of our bluebird nest boxes. $48. The house sparrows begin nesting very early and often take open cavities first, while the starlings (although they nest later) are so much larger than bluebirds that they forcefully evict nesting bluebirds. Sparrow Spooker set contains (2) horizontal arms with streamers and (2) vertical posts. The most common price range for bluebird houses is between $24 and $40. NESTBOX PLANS. Facebook-f Pinterest-p Youtube. In the battle for nest boxes, understanding the habits and preferences of these two avian neighbors is essential. House sparrow problems, more. To work, the line must be installed at the beginning of the nesting season, before any sparrows lay claim to the bluebird box. Eastern dark houses can also can a 1 3/8 x 2 1/4 inch vertical oval hole otherwise a 1 1/8 in horizontal sparrow-resistant slot entrance at the top fronts of the box. Choose from three options: birdhouse. There are toe holds under the entrance inside. Conservation Sparrow Resistant Western Bluebird House. Learn more at:The House Sparrows do not seem to be as interested in the slot type boxes. 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. Drill a 1 1/2 inch diameter hole to serve as an entrance. Using a water proof siding material, like Hardie board siding, can also work in place of or on top of the roof. Managing different feeding sources effectively limits the sparrow’s access to bird feeders. 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. Pointer #6: Make sure the roof overhangs this entrance. House sparrow questions, more. Mountain and Western Bluebird boxes should be 200–300 yards apart. by Fred Stille and Steve Gilbertson. Search. In addition, sparrows don't like a shallow box and bluebirds don't seem. Whenever possible, place the house in a clearing with tall grasses or shrubbery 8-12 feet away. Plans are available because PDF's and include easy step-by-step video. Bluebirds prefer to nest in open areas with low or sparse ground cover. House sparrow problems, more. Usage: Outdoor. One-board plans, Eastern Bluebird, Western Bluebird and Mountain Bluebird plans. This is my favorite plan for a bluebird nest box. For best results do not place house near trees or bushes, placing the house in the open will work best for Bluebirds. House sparrow problems, more. General bluebird nest box dimensions should be: at least 9”x4. Drill two ventilation holes with the 1/4-inch drill bit in each side piece. Some great inexpensive books on building bird houses: Approximately 1 dozen cavity-nesting birds will use boxes with a 1 1/2" entrance hole. Version 1. 17) Wren House Plans. Dimensions: 8. Includes PDF plans, DIY video video & the BEST pre-made nest boxes. This house is very attractive to the Bluebird species as well as Wrens, and other small bird species. Approved by the North American Bluebird Society (NABS). 5 x 5 x 10 inches. The house plan will help in deciding on the ideal plan for your house. 6. 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. Stokes Select 38200 Bird Feeder. This Gilwood slot box is a simple yet popular bluebird house. Explore. And note that on is no 100% house sparrow proof bird house. Depth of the compartment is 6-¾" width is 4". One-board plans, Eastern Bluebird, Western Bird and Mountain Bluebird plans. Free Bluebird House Plans by Eastern, Western & Mountain Bluebirds. Drill a 1 1/2″ diameter entrance hole located 7″ above the floor (to. Attract bluebirds to nest in your backyard. Bird House Hole Size To Keep Starlings Out. For instance, cavity-nesters need varying. Tree & Violet Green Swallow Birdhouse. Made from Eastern white pine. These free bluebird house plans can help any birder build just the right size, shape, and style of house to appeal to bluebirds and attract nesting bluebird pairs. Made in the USA. 16) Free American Kestrel Nest Box Plans. Below are fun, out-of-the box birdhouses that add style to walkways and gardens. It is made from recycled materials and is built to. 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. 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 the box . It also deters predators from reaching in and attacking the nest. Specifically invite bluebirds to nest in your bird garden with this Sparrow-Resistant Bluebird House. 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. 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 . Cut a 22-degree bevel across the top of the front section (A). Eliminate Garden Pests By Building A Bluebird House. This house is very attractive to the Bluebird species as well as Wrens, and other small bird species. Free bluebird house plans with view instruction. 810–3. View Details. 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. Close this search box. boxes as well as other nestboxes that have a small interior volume. We determined which pieces of wood would be designated for the different parts of the birdhouse. 44) Hanging DIY Birdhouse Plan. com) The Xbox is a classic-looking bluebird house that is simple to build real effective at housing birds. Sparrow Resistant; BLUEBIRD HOUSE; WEATHERPROOF RECYCLED POLY; Bright. 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. Make a 4″ by 4″ floor (inside dimensions) and 9″ floor to ceiling height (inside front). House Sparrow Nest in Bluebird Nest Box. Instead of a drill hole, this design has an open-top slot entrance, safer for birds to exit in case of an intruding predator. Dimensions: ~ 8. Measure down the front panel 1 ¼ inch and drill two pilot holes. Bluebird babies or adults inside the box. Bluebird Nestbox Front opening, bottom pivot Designed by Dick Peterson Drawn by: Fred Stille, Sr. Although Gilbertson PVC boxes are not 100% sparrow resistant, House Sparrows seem to be reluctant to use them. All plans include diagrams and instructions. Home; Latest Posts; ID Guides; BWHQ Advocates; Quizzes; Menu. Dimensions: This Bluebird house mounts on a 1/2" hollow ground pole. Some have found that if PVC boxes are paired with a wooden box, House Sparrows tend to choose the wooden box. Look for other clues such as missing or pierced eggs, and pecked or dead nestlings lying under the box. (1. 5"L. I discovered some discussion about the use of mono-filament fishing line (mono-line) to make bluebird nest boxes House Sparrow resistant, but few detailed plans on how to do it. USGS Bluebird House Plans Using Ready Board. European Starlings, on the other hand, like premium black-oil sunflower seeds. 6 Owl House Plans 9 Owl Species. Features slotted entrance to protect nestlings from House Sparrows. Everything you need to have success with bluebird houses! Includes PDF plans, DIY record tutorials & aforementioned BEST pre-made nest boxes. One we call the Cat/Raccoon Guard is made of a heavy wire. 19) Andy’s Free Bird House Plans. Add to cart Sparrow Resistant Wooden Bluebird House. Quality western red cedar construction. 4 3/4" x 4 3/4" floor. 5"W x 10"H Mounting: pole or post mount Construction: pineBird Feeder Poles. Made in the USA, available exclusively at Duncraft. Clean-out door provides easy access for cleaning. Free bluebird house plans with view introduction. To this post, I may included everything you need to get about einholen started with bluebird houses:. Found this (thanks Kathy Felty Clark)! Do not know if there are plans to build them yourself, though. 5"L x 7"W x 10. If PVC boxes are paired with a wooden box, sparrows tend to choose the wooden box. Bluebird Residence Plans. Features slotted entrance to deter House Sparrows. 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. Monitoring Guide (PDF) (by Hatch Graham). Close this searching box. If you see evidence of house sparrows, discard their materials. House Sparrows will readily use them in the absence of bluebird competition. Eastern blackbird list ability also have a 1 3/8 ten 2 1/4 inch vertical round drilled or a 1 1/8 inch horizontal sparrow-resistant slot entrance to the top front on the boxes . Here are four tips to deter sparrows: 1. House Sparrows are vicious competitors. Wild Wings cedar bluebird box house is approved by North American bluebird society by meeting or exceeding their standards. Opening: 4"L x 0. These all use exclusively right angle. 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. Facebook-f Pinterest-p Youtube. DIY Bluebird House from Birds the Blooms. TB-1 is from 1x12 cedar/pine, table saw required. 95 Sold Out. Made in the USA. Nestbox skylight. These DIY and FREE aviary dates produce fun projects. I don’t believe that one can makeThis tree and violet-green swallow birdhouse is constructed with cedar, pine, or almost any soft wood. 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. Mark obviously has carpentry skills and has designed a bluebird box with an airspace between the inner and outer walls. 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. See Bird House Hole Size if you want to attract a specific bird. Use wren guards on active bluebird houses. Ventilation and drainage holes. Product Description. 5" from hole to recessed floor. Instead of a drill hole, this design has an open-top slot entrance, safer for birds to exit in case of an intruding predator. Sparrow resistant Bluebird box Dean Rust 862 subscribers 122K views 10. Bluebird house planning, plans incorporate a free PDF download, material list, drawings, the instructions. For oval entrance holes, all species of bluebirds can use an entry that is 2 1/4 inches tall by 1 3/8 inches wide. 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. House Sparrows are vicious competitors. House sparrow problems, view. 125"H; 5. Choose ground, hanging or deck rail bird feeder. Mounting: post or. ID Guides; BWHQ Recommends; Quizzes; Bluebird Houses: To Definitive Guide (7 RELEASE Plans!). 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. The house itself is 8" long by 4. 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. Good style for a nestcam. 75"H each. Recycled Bluebird House $54. sjarrell / Getty Images Bluebirds are some of the most desirable cavity-nesting backyard birds, but they need a safe, attractive place to nest. East bluebird houses can also have a 1 3/8 efface 2 1/4 inch vertical oval hole press a 1 1/8 inch horizontal sparrow-resistant slot entrance at the top front the the box . This Erva Bluebird Feeder comes with a stunning blue powder-coated top and bottom and has multiple features for feeding bluebirds specifically. 1. SRP: $67. 5"L x 5. Everything you need to have success with bluebird houses! Incl PDF plans, DIY video tutorials & the SUPERIOR pre-made nest boxes. Place the bluebird house on a pole or in an area where there are no trees or shrubs nearby. Drainage holes can be created by cutting 1/2″ off each of the four corners of the bottom of the box and 1/2″ vent holes should be drilled/placed as shown. Home sparrows are a territorial and aggressive, non-native bird sort in North America and you compete heavily with bluebirds for nest boxes. Create a sparrow resistant Bluebird box by adding a skylight. 5"L x 7. Bird House Plans. 99 USD Regular price Sale price $59. 3-1/2 x 1-1/8 inch slotted entry hole. But Linda Violett of California has found that somehow Western bluebirds seem. A table saw with its blade lowered was used for the drip kerfs on the underside of the roof and for the ladder kerfs on the inside of the front. I'd be interested in your comments. 9. BSP receives nothing in return for sharing this. Layout and the drill the 1-1/2" entrance hole in the front (A). ". 2 1/8"2 1/8" CL Roof 3/4. Wrens only need a 1-1/4" diameter entrance. Available bluebird house plans equipped video instruction. Bluebirds, cardinals, martins, etc. Leap to main. #2. 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. The sparrow problems, additional. 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. There are a lot of birdhouse plans that are species-specific for very good reasons. As we had a diverse array of board lengths, we first organized them into piles of similar size. 25"L x 1. One-board plans, Eastern Deep, Eastern Bluebird and Mountain Bluebird plans. European bird house pot including 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 up forward of the box Loose Bird House Designs. Ships from Sperry, OK. 5"L x 5. House Sparrow. Step 2: Creating the Entrance Hole and Predator Guard. A huge list of free DIY bird house plans that you can build for a few dollars and finish in an afternoon. Eastward bluebird houses can also have a 1 3/8 x 2 1/4 inch vertical oval pocket or ampere 1 1/8 inch horizontal sparrow-resistant slot entrance at the above front concerning the box Free DIY PVC plastic bird house design plans (bird. Hole saws were used for the xbox entrance and ventilation holes, as well as the mounting block. It is thought that the shallow depth of the box, combined with the plastic wall material is not like by sparrows. 56-inch entrance hole that is just right for small birds to get in and too small for unwanted birds. I moved 3 of my 5 old bird houses I had far away in my yard hoping the Sparrows would continue to build nests in their new location. To keep starlings out of a bird house, the hole must be 1. Skip till web. Rustic. Kestrel & Screech Owl House Regular price $79. One-board plans, Eastern Bluebird, Western Bluebird and Mountain Bluebird plans. Version 1. 75"W x 10"H. Attaches to the Bluebird house during the egg laying and newly hatched stages. Find more free bird houses plans or discover more birdhouses and bird feeders. Find perfect accommodations for your blues. DutchCrafters Small Sparrow Resistant Bluebird Post Mount Poly Bird House - Choose Your Colors - Amish Made in America. Bluebird House Plans. Because of all the harm that house sparrows cause bluebirds, it’s normal up wonder. Close is search box. The hole should be placed 2 inches (5. org. 3. For more information on controlling house sparrows, please visit sialis. One-board plans, Orient Redbird, Western Bluebird and Hill Bird plans. Monitor your bird houses regularly to remove House Sparrow nests. Designed by Steve Gilbertson of Aitkin MN, the Gilwood has since established itself as a favorite with both Bluebirders and the. TB-1B is 1x6 and 1x10 lumber. Xbox Birdhouse Plan PDF (Nestboxbuilder. Version 8, March 1, 2011Page 1 of 1 Side Back Front Inner Roof and Floor 2" 1 9/16" dia. 11 DIY Standing Desks. In this video, I build a bluebird house with slot entry. This Gilwood slot box is a simple yet popular bluebird house. Encouraging territorial behavior is key to keeping sparrows away. Also the nest tray takes cubic inches away from the cavity which also discourages sparrows. House Sparrows are vicious competitors. Place away from dense cover (shrubs, thickets) and woods. After installing the new boxes in the spring of 2014, we have had no sparrows taking up residence. 25"H. Too big, and the more aggressive starlings and sparrows will out-compete the little bluebirds. 99 USD Regular price Sale price $59. Consider using a PVC-style bluebird house, like the “Gilbertson” nest box. Two venting options. The most common problems are the House Sparrow, Raccoons, and Rat snakes. 00. Version 1. (optimum) Alternate: 1 1/2"This is one of the best sites for information on bluebirds additionally nest box plans. Choosing a Bluebird House to Build The 10 DIY Bluebird House Plans. Skip to topics. Peterson bluebird house assembly and disassembly animation. Eastern bluebird houses can or got a 1 3/8 x 2 1/4 inch vertical elliptical hole or adenine 1 1/8 custom horizontal sparrow-resistant slot entrance in the peak front of the box Free. Close here search box. When autocomplete results are available use up and down arrows to review and enter to select. Home sparrow problems, more. Bluebird Birdhouse Side Elevation. There are toe holds under the entrance inside. Search. Everything to need to take success with bluebird home! Includes PDF plans, DIY video how-to & the BEST pre-made nest boxes. 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" or smaller. House sparrow problems, more. By spacing out feeding areas, using predator guards and removing access to nesting locations, you can deter sparrows from your bird feeders. 3 Proven Roads To Get Free of Starlings TODAY . Advanced. House sparrow problems, more. 3. Download a diagram showing the recommended box mounting method. Free bluebird house plans with video instruction. 99 USD Unit price / per . Search. The Gilbertson Bluebird House First on my list of sparrow-resistant bluebird houses is the Gilbertson PVC pipe-style. Here I share easy, humane, and natural ways to discourage them from the yard. House sparrows, also called English. 1522 review(s) printable peterson bluebird house plans | download digital woodworking 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 bluebird house on the market. Keep boxes away from sheds, outbuildings, barns, and other structures where house sparrows may be nesting or otherwise attracted to. There are several ways to discourage them from using nest boxes, ranging from boxes specifically designed to dissuade sparrows to traps to eliminate them. Bluebird Inspect Chick House Before Making adenine Final Decided - "I likes the open floor plan. Using a water proof siding material, like Hardie board siding, can also work in place of or on top of the roof. 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. Knowing when to put out birdhouses is essential for birders to attract nesting birds to their yard or garden. • Western and Mountain Bluebirds prefer a 1 9/16 inch round opening or 1 3/16 inch slot entrance. that easy). NESTBOX BAFFLES : A wobbling PVC baffle will deter many climbing mammals, but an 8" metal stovepipe baffle topped with hardware cloth will deter. AN simple go build, yet proven bluebird house such is made mostly from one cedar house. Monitor nest boxes every day. Avoid areas of pesticide use. Create a 1. Robert A. 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. House sparrow problems, better. A Nest-Box Plan for Western and Rock Bluebirds This is a fairly easy box to create. Bird Houses Diy. Everything you need to have success with bluebird houses! Includes PDF schemes, DIY video tutorials & the BEST pre-made lair boxes. Dimensions: 5. For Eastern Bluebirds, use the following size holes: 1½ inch round hole, a 1⅜ x 2¼ inch vertical oval hole, or 1⅛ inch horizontal slot entrance. a. House Sparrows tend to like them for whatever reason – so ditch the perch to get rid of House Sparrows. Kids Bird Watching Monthly Subscription. For instance, cavity-nesters need varying. 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. House sparrow problems, more. TB-1 is from 1x12 cedar/pine, table saw required. House sparrow problems, more. Encourage lovely bluebirds to roost in your yard by placing this Gray and Brown Recycled Plastic Sparrow Resistant Bluebird House in it. 75"W x 10"H. Step 2: Make an Entrance. One-board plans, Eastern Bluebird, Western Bluebird plus Mountain Bluebird plans. 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. 5 inches (6. For a metal T-post, or small wood post, you can make a V-cut instead in the center with three small tabs that can beKeep the threat of unwanted sparrows away from fantastic bluebirds with this Sparrow-Resistant Bluebird House with Open Top. CHECK CURRENT PRICE. 2. Modern BirdhouseStep 8. Use a spade bit, hole saw, or adjustable size hole bit with your drill to create the hole. Once secure, attach the front piece to the side and bottom of the Bluebird house. Asian 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 for the top front of the box Free Plans to Build a Blue House for Your Station. The best way to keep house sparrows out of your bluebird houses is to make your. Build a Slant Front Style. 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. Below are free diy PVC blue bird nest box plans that can be used to attract bluebirds, swallows, chickadees, nuthatches, warblers, woodpeckers, wrens, and other birds to your backyard or garden. Houses should be mounted securely facing away from prevailing winds in the area to prevent rain from entering the box. Below we have included free bluebird house plans, a simple one-board box that's relatively easy into building. 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. When natural nesting sites are scarce, these birds will readily move into a birdhouse that's built. The University of Nebraska’s Magic Halo design uses a 30” wide circle of wire hung horizontally above the bird feeder. 00. I discovered some discussion about the use of mono-filament fishing line (mono-line) to make bluebird nest boxes House Sparrow resistant, but few detailed plans on how to do it. Nov 7, 2015 - General information on how to attract nesting bluebirds, including distinguishing nests and eggs of other. This spooker is readily mounted on any style box. Once the bluebird babies are 7 to 10 days old you can change the nest to keep it parasite free. Therefore, they need bird boxes with a substantial interior volume that’ll accommodate their dome-shaped nests. Free bluebird house plans with video instruction. The holes should be positioned in the top left and right corners. Duck Box Plans.