5k)Excellent Bluebird house! If you have problems with sparrows taking over your bluebird houses, this may be the answer for you. 125"H. 7-1/4 x 7 x 9-7/8 inches. * 4 Heavy Duty Bluebird House Mounting Flanges (top or side mount option) * 4 Blowfly Inhibitor Screens. The 10 DIY Bluebird House Plans. 5-in H Tan Recycled Plastic Bluebirds Nesting Box Predator Proof Bird House. Sparrow-Resistant Bluebird House Dimensions: 8. One of the most innovative features of the nest box is its white translucence– the bright interior attracts bluebirds but repels. 99 (2) Rated 5 out of 5 stars. I bought it primarily to have a birdhouse that would be less attractive to the sparrows than my conventional wood bluebird house. in. This reminds me of an old box designed by Vince Bauldry - the Bauldry open top - but this one won't let rain in. Opening: 4"L x 1. org. 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. All birds. Instructions for assembling the box. bluebirds from House Sparrow attack. jill keepes Apr 30, 2023. Use a Quality Bluebird Nest Box 2. 1306 Monte Vista Avenue. But Linda Violett of California has found that somehow Western bluebirds seem to learn to control the box, despite HOSP competition. Hanging Block House Blue Bird Feeder for Mealworms (1. How to Build a Birdhouse. This spooker is readily mounted on any style box. A "bluebird" house placed next to a shrubby thicket likely be of interest to a Car- olina wren. Hortencia Sparrow Resistant Bluebird House. 5 out of 5 stars (33) $ 57. • For convenience, mount nestboxes so the entrance hole is approximately five feet (eye level) above the ground. 50. Floor Dimensions: The floor of the bluebird house typically measures around 4 x 4 inches (10 x 10 centimeters). The Gilbertson PVC Bluebird house features a wooden or polywood roof. Since then, I learned of a trick from a friend that deters the house sparrows and allows the bluebirds. I don’t believe that one can makeIncludes 72 inch tall sectional pole with black powder coated finish. Monitor nest boxes every day. 9 Free Gazebo Plans. Description. Cedar Roof measurements: 9" x 7-¼" x 1". 99. 00. PDF) Predator Control (4 pg. Because of this unfortunate turn of events, the only way of sustaining their populati. Brand New. Check out our Sparrow Proof Bluebird House!the cubic inches of the interior. Duncraft Sparrow-Resistant Bird House. Here I share easy, humane, and natural ways to discourage them from the yard. 2 total votes. Monitor nest boxes every day. 50. The most common way is to make a fishing line grid over the entrance. If not for the House Sparrows, we would be using the round hole. 00/Count) While there aren’t any bluebird houses that are 100% sparrow-resistant, there are a few nest box designs that have been shown to deter house sparrows on some level. SOE-SE544. Add to Favorites More like this Wakefield Premium Sparrow Resistant Bluebird House Ad vertisement by MonroeSystems MonroeSystems. NABS Bluebird House. 25"L x 1. Kestrel & Screech Owl House Regular price $79. Black PVC Nesting Trays for T-14 Martin Houses. Opening: 3. $120. 00 / month. Defend the Nest! Take your Bluebird-ing to the next level. Encourage lovely bluebirds to roost in your yard by placing this Gray and Brown Recycled Plastic Sparrow Resistant Bluebird House in it. Here I share easy, humane, and natural ways to discourage them from the yard. DutchCrafters Small Sparrow Resistant Bluebird Post Mount Poly Bird House - Choose Your Colors - Amish Made in America. Don't forget to drill the vent holes in the bottom, front, and sides. Once the bluebird babies are 7 to 10 days old you can change the nest to keep it parasite free. This will allow bluebirds to enter, while deterring larger birds like sparrows. Side opening, top pivot, 10° pitched roof. 00: Read more. Upland, CA 91786. 3-1/2 x 1-1/8 inch slotted entry hole. Bird House Hole Size To Keep Starlings Out. This lasting home, crafted from weather resistant cedar, provides songbirds a wonderful roosting spot. Price. Place away from dense cover (shrubs, thickets) and woods. Nesting Box for Bluebirds. The Southern California Bluebird Club has had good success withThe Sparrow Resistant Slot Bluebird House features a Kentucky slot style entrance that discourages English Sparrows. WBU Sparrow Resistant Bluebird Nest Box: Our WBU Sparrow Resistant Bluebird Nest Box is designed to thwart pesky sparrows from taking over the box. 95 Add to Cart. 25"W x 6. Use wren guards on active bluebird houses. From: "Tim and Alyce Quinn" <twoquinns@xxxxxxxxx> To: "Virginia Birds" <va-bird@xxxxxxxxxxxxx>, "New River Valley Birds" <nrvbirds@xxxxxxxxxxxxxxx>, "RoanokeBirds group" <roanokebirds@xxxxxxxxxxxxxxx> Date: Mon, 26 Apr 2004 09:32:58 -0400; Does. 12 Month Prepaid Bird Watching Subscription – 1 patch a month. Poly Sparrow Resistant Bluebird Post Mount Bird House, blue birdhouse, bluebird house, Custom Birdhouse, Custom Colors, outdoor decor (51) $ 49. Male sparrows can not block entrance and trap the. 100% SATISFACTION GUARANTEE: Your satisfaction is our highest priority. Woodlink Wooden Bluebird House. Sparrow-Resistant Eastern Bluebird House by Prime Retreat. Constructed up to 90 percent post consumer recycled plastic it features sturdy screwed together construction. Hummingbird Nest House - 24HBN:. 5"L x 5. Cut the entry hole by drilling two overlapping holes with a 1-3/8- in. Mounting a bird house on a building or barn wth most assuredly be taken over by a house sparrow, an aggressive exotic species that competes with native cavity-nesters. Designed to be Resistant to Sparrows and Attractive to Bluebirds! Features an Opening Front Door for Easy Cleaning. 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). House sparrows chase bluebirds away, crush their eggs, kill nestlings and also kill adult bluebirds. 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. Here is what helped me: Offer massive amounts of cracked corn positioned at least 15 feet away (4. 5"W x 10"HSparrow-Resistant Eastern Bluebird House Regular price $59. However, PLEASE NOTE that this design is not to be considered as predator or sparrow-proof. Removing Bird Nests. House Dimensions: 6. 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. Rugged brown and green recycled plastic with ventilation and drainage. DO NOT use fishing line on the halo (it can wrap around incoming birds. 95; Cedar Swallow or. The bluebird house can be mounted directly to a 4x4 post or wooden fence post by screwing through the back board above and below the nest chamber of the bluebird house. Note: Additional shipping charges may apply when purchasing in multiple quantities. This shelter, based on thorough research from the University of Kentucky, caters specifically to bluebirds and deters sparrows from nesting. Note:. Rated 0 out of 5 stars. Sparrow Resistant bluebird house! This bird house made by our Amish artisans will look wonderful in your garden and hopefully attract some of those elusive bluebirds! - Easy to clean out - Front opens (held closed with 2 pins) - Easy to install - Durable - Box size is ~ 12 inches high x 5. 00 ($78. This package contains 2 of the Sparrow-Resistant Cedar Eastern Bluebird Houses by Prime Retreat. Add to cart . Bluebird Birdhouse Side Elevation. In addition, sparrows don't like a shallow box and bluebirds don't seem. Ventilation and. Give Bluebird House A Superior Look By Painting It. Depth of the compartment is 6-¾" width is 4". Constructed to industry specifications. in. Since house sparrows feed on the ground or on sizable platform feeders, one sparrow proof bird feeder that you could use is the clinging mesh feeder. 25"H. 🙂 #6. Trex model with Cedar roof. Keep bluebirds roosting in your backyard with the conventional design of this Cedar Bluebird House. The tube shape paired with the coloring of this birdhouse represents the look of a birch tree. 95 - $49. COV-10044. Dried lawn clippings work great for nest replacement. Why the SRBH is sparrow-resistant?: The slotted entrance lets in sunlight, sparrows want dark cavities, not bright ones. 95 Original price. 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. These are made of UV-resistant polycarbonate plastic and stainless steel that will last long even under intense heat and rain. Made in the USA, available exclusively at Duncraft. 7 out of 5 stars 7. 2. Poly Roof Protects the Wood Base Stainless Steel Screws Looks Like a Birch Log Bluebirds and Tree Swallows Love it Mounts on a 1/2" Conduit Pipe Amish Made in the USA Roof Snaps On and Off for Cleaning Colors: Birch Tree Bottom with a Dark Brown RoofDesigned by North American Bluebird Society The flagship box of the North American Bluebird Society. $32. Wait for birds. 125"H Dimensions: 8. House Opening: 1. Squeeze the sides of the house and it easily removes from the roof for nest checks. 2-3/4 x 1-3/8 inch oval entry hole. 2 Sparrow-Resistant Eastern Bluebird Houses by Prime Retreat. Discourage sparrows from overtaking your bluebird sanctuary with the help of this Sparrow-Resistant Western Bluebird House. Hole saws were used for the xbox entrance and ventilation holes, as well as the mounting block. Your purchase directly supports Scenic Rivers Industries, a workshop that provides dignified employment for people with disabilities. Features: The entrance hole size is 1-½". The Audubon Birdhouse Book includes plans for building and locating nesting. Bird-X Stainless Steel Bird Spikes. The pipe detaches from the wooden roof to monitor bluebird nests quickly and easily. Pull down the front panel for easy cleanout. Because of all the harm that house sparrows cause bluebirds, it’s normal up wonder. House Sparrows can enter any entrance hole that ac-commodates bluebirds or swallows. 1. Add to cart. Product details. fishing line (mono-line) to make bluebird nest boxes House Sparrow resistant, but few detailed plans on how to do it. Always opt for pole- or post-mounted birdhouses as opposed to mounting on a tree. Made in the USA. 25"H Dimensions: 8. 97. Hang this Bluebird House in your backyard to attract not only bluebirds, but titmice, swallows, nuthatches, chickadees and wrens. Sparrow Resistant Blue Bird Box | Durable Poly Lumber | Amish Made | E102 Ad vertisement by StoneBridgebyPeg StoneBridgebyPeg. Ironically, this large floor actually defeats the original premise of it being “sparrow resistant” (the Foster and Smith box appears slightly smaller, but it’s not small enough). This house is very attractive to the Bluebird species as well as Wrens, and other small bird species. 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. “A sparrow spooker is a device that has proven to be an extremely effective house sparrow deterrent when attached to a Bluebird nestbox after egg-laying has commenced. 8) Peterson Bluebird Nest Box. Qty: more info: Nature's Way Cedar Bluebird Houses w/Viewing Windows, 3 Pack. 7 out of 5 stars 59 1 offer from $35. Build a Bluebird Trail! Save $$ when you purchase two or more nest boxes. It is in many ways a remarkable bird, believed to be one of the oldest known bird species and a marvel of adaptation. Your Savings: $35. Resources Get the Book. . They spend winter in the southern states and southward, returning north in March. Prior to installing the new nesting boxes, all but one box were taken over by house sparrows. Use a bluebird house with a small entrance hole. Bluebird Nesting Boxes $ 35. Steve: Bluebirds, especially Eastern Bluebirds, like a large entry. Best Nest Box: My all-time favorite nest box for bluebirds is the Nature’s Way model CWH4. Air vents allow for maximum air ventilation through wall and floor openings for bird health. Made from cedar, this house features ventilation. Delivery in 2-3 Weeks. Bluebird Nesting Boxes $ 25. Sparrow Resistant PVC Bluebird House. Birdhouses Bluebird House Window Bird Houses for Viewing Water Proof Wax Dipped Solid Wood Bird Box Bluebird Houses for Outside with Metal Predator Guard TOOBEETT 4. Why should Bluebird boxes be Sparrow-Resistant? Eastern Bluebirds have a deadly nemesis: English House Sparrows. View full detailsWhile a sparrow-proof bluebird box design has yet to be developed, there have been attempts at designing boxes that are less attractive to them. Use a hole saw or jigsaw to create a clean, smooth entrance hole. However, their population dropped drastically due to the rapid decline of their natural habitat and competition for nesting places with other birds. 4. Monitor your bird houses regularly to remove House Sparrow nests. The Sparrow-Resistant Bird House is crafted specifically for bluebirds, making these ideal for bluebird trails. Package Includes: * 4 Conservation Sparrow Resistant Bluebird Houses. Naturally rot resistant and long lasting. Looking for Bat Houses? Click here to check out ours!Sparrow Resistant Poly-Tuff Bluebird House $ 92. 25"H Dimensions: 8. Male sparrows can not block entrance and trap the female Bluebird during incubation. Smart Living Transform Your Home with These Cutting-Edge GadgetsAlso known as a "Kentucky-Slot" Bluebird House. 7) Gilbertson Bluebird Nest Box. If your chimney is the usual hideout of sparrows during summer or spring, it will help to install these Bird-X Stainless Steel Bird Spikes. Categories: Bird Houses, Birds and Backyards Tags: birdhouse, bluebird, made in USA, tree swallow, WoodLink. Dick Peterson's trail research proved that when given a choice, Bluebirds preferred his 2 1/4" x 1 3/8" oval entry over the standard round. Cedar Roof measurements: 9" x 7-¼" x 1". If you catch a house sparrow in a trap, you can place a plastic bag over the trap and the bird will fly into it. Sparrow-resistant Bluebird House ITEM #: COV-10044 $59. Sparrow Resistant Bluebird House (1 - 15 of 15 results) Price ($) Any price Under $50 $50 to $100 $100 to $200 Over $200. 375"L x 1. Also the nest tray takes cubic inches away from the cavity which also discourages sparrows. 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. There is only a couple of things to keep in mind when purchasing a bluebird house for Eastern Bluebird. These invasive birds can empty my big hopper feeder every day or two (and that feeder holds up to 12 pounds of bird seed!). Drill a 1 1/2″ diameter entrance hole located 7″ above the floor (to. 5 x 5 x 10 inches. 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 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. Classic Series Bristol Cottage 11. Easy open for monitoring and cleaning. • For Eastern Bluebirds, you can use a 1½ inch round hole, a 1⅜ x 2¼ inch vertical oval hole, or 1⅛ inch horizontal slot entrance. The common house sparrow can be invasive and harmful to native birds. Brake Winch D&L 350. 0 Cedar is an excellent choice due to its natural resistance to decay and insects. com) The F30 bluebird nestbox has a large floor space, totaling 30. 8 in (19-25. 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. Also the nest tray takes cubic inches away from the cavity which also. 75"H each. Because of all the harm that house sparrows cause bluebirds, it’s normal to wonder about sparrow-resistant bluebird houses. Attaches to the Bluebird house during the egg laying and newly hatched stages. The slotted entrance helps prevent nosy sparrows from invading your feathered friends’ nest. Properly sized entrance holes and predator guards are essential for bluebird house construction. You will need: 1) 1/4″ power drill. 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. Coveside Bird Habitats Sparrow Resistant Bluebird House. boxes as well as other nestboxes that have a small interior volume. $24. Opening: 4"L x 1. Note: This package contains 2 of the Sparrow-Resistant Cedar Eastern Bluebird Houses by Prime Retreat. Take down or modify any ornamental bird houses in your yard. Keeping house sparrows out of nest boxes is part of being a responsible bird landlord. We were aware that bluebirds suffer from having their homes absconded by house sparrows and that certain parasites, blackflies in particular,. Lay the floor piece on a work surface. This bluebird house is ornithologically designed to attract bluebirds. Assemble the Sparrow House. Build a Slant Front Style. It is made from recycled materials and is built to withstand hard weather. 95 Save $ 13. Sparrow Resistant Slot Bluebird House Package w/Pole Kit. Recycled Bluebird House $54. Bluebirds are considered one of the loveliest birds in the world. The. 00 (5% off) FREE shipping. See moreCedar is an excellent choice due to its natural resistance to decay and insects. 25”H. $ 24. According to the Cornell University All About Birds, the The first large introduction of these. Sparrow Resistant; BLUEBIRD HOUSE; WEATHERPROOF RECYCLED POLY; Bright Color Combinations; Our Bluebird Nesting Box is sure to help enhance the blue bird population of your outdoor area - providing a beautiful, safe and secure place for bluebirds to enjoy while keeping unwanted sparrows from overtaking the nest! Some recent. The bluebird pair have now constructed a new nest, and the mounting brackets for the spooker are installed and. It is the only bluebird house that comes with vent plugs to block out blackflies when they become a problem. #1. Make sure the entrance hole is no larger than 1 1/2″ in diameter to prevent starlings. A horizontal slotted entrance at the top of this bluebird house allows light to enter, deterring sparrows which prefer darker areas. Est. Product Description. Male sparrows can not block entrance and trap the female Bluebird during incubation. DutchCrafters Small Sparrow Resistant Bluebird Post Mount Poly Bird House - Choose Your Colors - Amish Made in America. 95. House Sparrows prefer smaller seeds like millet, cracked corn, and milo, which are plentiful in inexpensive bird seed mixes. House Sparrows (HOSP's) are an overly aggressive, alien species of bird that prefers similar habitats and nesting locations as bluebirds. This blue birdhouse is sparrow resistant. Dimensions: 5. Perch areas near to the nest box are a big plus. Our standard birdhouses come in a variety of styles and shapes, and all are made of poly lumber, so they will last for years in your backyard. You can read these tips in greater detail on my website her. PDF) Predator Control (4 pg. Discouraging Starlings From Your Yard. Encouraging territorial behavior is key to keeping sparrows away. 00 $ 78 . Photo above by THE Holy Hand Grenade! is licensed under CC BY-ND 2. 25"W x 6. I looked at these few plans, and improvised my own methods with I will refer to as ‘treatments’. $54. Floor area: 22 sq. CEDAR ALPHA Bluebird House. 9-1. 99. Steve: Bluebirds, especially Eastern Bluebirds, like a large entry. NESTBOX PLANS. Bluebird Nesting Boxes $ 45. 2. Made in the USA. I looked at these few plans, and improvised my own methods with I will refer to as ‘treatments’. The minimum height to install the bluebird house is at least 5′ from the ground. They should be 6 1/2" across; the rear edge should be 12 1/4" top to bottom, and the front. 75"W x 10"H. Opening: 3. A ready-made, weather-resistant Sparrow Spooker is now commercially available from Sparrowtraps. 5 inches (1. This is an attractive product designed to be sparrow resistant. This Gilbertson Bluebird house is the most sparrow-resistant nesting house on the market! Although not fully Sparrow proof, it has been proven to have the least desirability to them when compared to any other nesting box design. #nativebirds #housesparrow #invasive. 11 DIY Standing Desks. There is a wooden base in the bottom of. 7 out of 5 stars 59 1 offer from $35. Male sparrows can not block entrance and trap the female Bluebird during incubation. Step 1 ~ Buy some basic, cheap birdhouses! M…. There are toe holds under the entrance inside. F&M Front opening box. 99. 00. Write a review. 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. Find helpful customer reviews and review ratings for Bluebird house - Gilbertson PVC & cedar bird house - Also can be used as Chickadee House, Wren House, or Swallow bird house - North American Bluebird Society approved - Made in USA - Bluebirds love it! - Most sparrow resistant design available. Understanding the potential harm sparrows can cause to bluebirds is essential when preventing sparrow infestation in bluebird houses. This compact house does not give them room enough to do so. 6 x 6-3/4 x 12-1/4 inches tall. The best “sparrow-resistant” bluebird house (My recommendation) For most cases, my top recommendation for sparrow-resistant bluebird houses is the Gilbertson PVC pipe-style nest box This nest box has been shown over and over again to deter house sparrows and be attractive to bluebirds, specifically eastern bluebirds. 00 ($78. 9 Free DIY Garage Plans. If PVC boxes are paired with a wooden box, sparrows tend to choose the wooden box. My SO has shot two and has successfully gotten one with a trap. 5” where the base of the floor is a 4. Photo by the Hughes. $84. 70. For best results do not place house near trees or bushes, placing the house in the open will work best for Bluebirds. 25" opening provides a slot entrance for these bluebirds. Your Price: $329. 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. Price: $69. Build a Bluebird Trail! Save $$ when you purchase multiple nest boxes. Sparrow Resistant Blue Bird House 1 - 22PBBH: Image 11 of 12 . These can be telephone poles, tomato stakes, small trees, etc. The house is made of sustainably grown eastern white pine, opens from the front, and come with a wooden block to adjust the floor height. To remove the roof squeeze the sides of the house and it easily comes off for nest checks. 5” and the walls are about 9” high. Mount against any flat surface. Made in the USA. Bluebird houses that cost around $24 are basic, wooden nest boxes without too many extra features. 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. Always use corrosion resistant screws and hardware. FREE shipping Add to. Gilbertson Sparrow-Resistant Bluebird House (#GBB) The Gilbertson PVC nest box features a western red cedar or brown poly-wood roof. House sparrows don’t compete with bluebirds for food, though, since bluebirds are insectivores and house sparrows prefer grains. Overall box size: 8" high x 4-½" wide. Keep it out of the shade or away from the house. Compare prices & save money on Outdoor Decor. So let’s find out how to sparrow proof a bluebird house. Build a Pitched Roof Bluebird House. Our top-of-the-line bluebird house includes all of the key elements needed for a successful nesting experience for both tenant and landlord. European Starlings, on the other hand, like premium black-oil sunflower seeds. The design of this product works great for bluebirds, helping to deter sparrows from the area. This non-native, predatory species is a nesting Bluebird’s worst nightmare. The best way to keep house sparrows out of your bluebird houses is to make your environment as unattractive as possible to house sparrows. . 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. Attract blue birds without being bothered by sparrows. Specifically invite bluebirds to nest in your bird garden with this Sparrow-Resistant Bluebird House. Dimensions: 9. Durable tan and green recycled plastic. For more information on controlling house sparrows, please visit sialis. 7 out of 5 stars 7. * 4 Best 5-Piece Bluebird House Poles w/Ground Socket. In studying Bluebird anatomy, I felt they might prefer a wider entrance, so I began by turning the Peterson oval horizontally. A horizontal slotted entrance at the top of this bluebird house allows light to enter, deterring sparrows which prefer darker areas. 5-1/2 x 1-1/8 inch slotted entry hole. Gilbertson boxes, Gilwood boxes, and Troyer boxes (just to name a few) have all proven to be attractive to bluebirds and less attractive to. Opening: 4"L x 0. More Options > Amish Owl House - DutchCrafters Exclusive from $93. A two-hole box is not technically a HOSP-resistant box. 875"H each. Insert the nail to hold the side door closed. 99To find the right bluebird feeder, consider the following products rated highly by expert birders. Constructed from USA reforested kiln dried full dimensional cedar and ready to be mounted right away. Opening: 4"L x 1. 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 . Built with a 5 in. House sparrows, also called English sparrows, are aggressive birds that compete with bluebirds for nesting boxes or b. Blue jay bird,Canary bird, Eastern blue bird,House sparrow bird (2. The back piece of the xbox is attached to the inner roof. 75"W x 10"H. General bluebird nest box dimensions should be: at least 9”x4.