Sparrow proof bluebird house. It is impossible for a Bluebirder to watch a nestbox 24 hours a day, but a sparrow spooker is on duty full-time, from first egg-laying to fledging day. Sparrow proof bluebird house

 
 It is impossible for a Bluebirder to watch a nestbox 24 hours a day, but a sparrow spooker is on duty full-time, from first egg-laying to fledging daySparrow proof bluebird house  PRT-24466

Place it in the garbage bag, since leaving it lying on the ground can attract predators. 3. When autocomplete results are available use up and down arrows to review and enter to select. Blue jay bird,Canary bird, Eastern blue bird,House sparrow bird (2. To begin - select category. Opening: 4"L x 1. $48. Ultimate Bluebird House. Add to Favorites Wren or Sparrow very nice A-Frame birdhouse / feeder (35) -All our creations are Unique,. There is no perfect box design and none that are House Sparrow proof, but there are Bluebird boxes standards to follow when building a box. Made in the USA. Brown and Brown (Eastern and Western) / Ultimate Bluebird House Only - $70. 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. Let's Add "Sparrow Resistant Ultimate Slot Bluebird House" to a Wish List!In this video, I build a bluebird house with slot entry. If you are building a box for birds that require a larger size, such as wood ducks, kestrels, woodpeckers, etc. Follow these guidelines: Entrance Hole Size: Bluebirds prefer a 1. The mounting block for the gilbertson pole system is installed on the back of the xbox with two exterior deck screws (2”). Position the 5 1/2-inch edge of a side piece (opposite the ventilation holes) perpendicular to a 5 1/2-inch edge of the floor piece. Designed to be Resistant to Sparrows and Attractive to Bluebirds! Features an Opening Front Door for Easy Cleaning. Top positive review. 05 Brown and Brown (Eastern and Western) / With Universal Mounting Pole - $114. 1. Assemble the Sparrow House. Amish made in the USA. Use a squirrel baffle on any pole-mounted birdhouse. See moreBuilding an anti-sparrow bluebird house requires a precise and methodical approach to ensure the safety and comfort of these charming avian visitors. House sparrow specific, more. 00 $ 78 . 576. 99. 00. Stokes Select 38200 Bird Feeder. Author: lauraerickson. SOE-SE544. Of course we'll. Made from eastern white pine. Kestrel & Screech Owl House Sold out. A burnt logo on the base of each front panel enhances the brown tones, creating a focal point. By Lindsay Collins. ADD A SKYLIGHT !! House sparrows are and have been the bluebirds’ #1 Enemy; so let’s get started on “how to” prevent them from driving your bluebirds away. 75"H. Floor area: 22 sq. FREE delivery Wed, May 24 . weight: 3. It’s the ideal size for bluebirds, and it includes the proper drainage and ventilation to keep babies dry. Cut a 4 by 8 1/2 inch plank of wood for each side of the house. 25"H Dimensions: 8. Building bluebird nest boxes is a great way to help conserve birds at the local level. Watch birds from indoors with our in-window bird feeders and bird houses with hidden camera. 2k) $ 49. Encouraging territorial behavior is key to keeping sparrows away. These invasive birds can empty my big hopper feeder every day or two (and that feeder holds up to 12 pounds of bird seed!). *UNIVERSITY OF NEBRASKA PUBLICATIONS*Monofilamen. 50. Bluebirds make nests of fine grasses, woven together in a tidy cup. Did you know how much pets really love UPS drivers? Turns out it's the highlight of their day!May 9, 2020 - #PurpleMartin season might be coming to an end, but Ravenox is also a great place for bluebird lovers! Our Western Red Cedar Bluebird House is a perfect addition to your yard. Don’t mount your bluebird house too close to buildings Barns attract undesirable House Sparrows Photo by US Department of State is marked with CC PDM 1. House sparrows don’t compete with bluebirds for food, though, since bluebirds are insectivores and house sparrows prefer grains. The most common price range for bluebird houses is between $24 and $40. 5"W x 15"H. Keep wrens busy by removing their “dummy nests”. ) Any larger and unwanted species could invade! If the entry is larger than 1. ) Also avoid feeding cheap seed mixes with millet and. Sparrow Proof Bluebird House (1 - 13 of 13 results) Price ($) Shipping All Sellers DutchCrafters Gilbertson Bluebird House, Outdoor Nest Box Sparrow Resistant -. Sparrow Resistant Blue Bird Box | Durable Poly Lumber | Amish Made | E102 (1. Opening: 4"L x 1. . Remove Any Old Wasp Nests from the Nest Box. Nest boxes help maintain bluebird populations that have declined by as much as 90%. Male sparrows can not block entrance and trap the female Bluebird during incubation. 3. From this “halo” you then optionally hang four thin wires weighted at the bottom to hold them straight. 97. Chickadees and Titmice – All species of chickadees and titmice will use birdhouses. Mount it on a metal pole—cats, raccoons, weasels and rats can climb trees and. 25"H House Dimensions: 8. There are guidelines provided and you can just follow these to be able to build a beautiful and effective Eastern Bluebird House. 2. 42 Brown and Brown (Mountain) /. 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. 6 Free Firewood Rack Plans. The House Sparrows do not seem to be as interested in the slot type boxes. Instructions: How to Deter House Sparrows from Your Bluebird Nest Box with Monofilament Fishing Line. 5 inches (3. If you have problems with sparrows taking over your bluebird houses, this may be the answer for you. 5'' W; Entrance Hole Size: 1. Dimensions: 5. Excellent Bluebird house! Constructed from Western Red Cedar. 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. Placing this house in a sparrow-rich environment is not recommended. House Dimensions: 6. Free Bluebird House Plans. These Audubon bluebird birdhouses are simple, well-built, and untreated. 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. 25"L x 1. Set up your nest box in an open area, away from houses and barns. Sparrow Resistant Bluebird House Green Meadow. 5"D x 7"W x 10. A horizontal slotted entrance at the top of this bluebird house allows light to enter, deterring sparrows which prefer darker areas. 8. This Bluebird house has an unusual opening that is designed to prevent sparrows from entering. Conservation Sparrow Resistant Western Bluebird House. Box design effectively deters sparrows from roosting. Birders who do not want to see house sparrows at their feeders should remove cracked corn, wheat, oats, millet, and bread scraps from their buffet. 1-1/2 inch entry hole with Noel Guard predator guard. This set of 3 homes and 3 poles helps you establish suitable housing for bluebirds, while deterring sparrows from nesting. 4-3/4 x 4-3/4 x 10-1/2 inches tall. 48; Antique Wash Wren House with Copper Colored Roof $21. only 4 inches/side available Eastern Bluebirds. 7) Gilbertson Bluebird Nest Box. Free bluebird house plans with view instruction. 1k) $62. Ask us at the store for your best options. 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. Measure and Cut Bluebird House Door. If you see evidence of house sparrows, discard their materials. Why the SRBH is Sparrow-Resistant?: The slotted entrance lets in sunlight, sparrows want dark cavities, not bright ones. VP Home Hanging Bird Houses for Outside, Hand-Painted Bird Houses for Outdoors Decorative Birdhouses (Flowerpot) Solid Made for Bluebirds, Sparrows, Chickadees and Purple Martins. Please check its very comprehensive presentation of issues and tactics of House Sparrow control. $19. 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. com. Deluxe Recycled Bluebird House- NABS Approved $97. FREE shipping Add to Favorites His Eye Is On The Sparrow Design BCMA (3. Fits outside windows with dimensions from 20" to 40" wide. Brand: Here are four tips to deter sparrows: 1. 0. 125"H Dimensions: 8. Cedar Sparrow Resistant Bluebird House with Blue Roof - Bring a surprising and colorful look to your bluebird trail with the Woodlink Cedar Sparrow Resistant Bluebird House with Blue Roof. It works similar to the elevator bait trap but is built to resemble a birdhouse. Classic Bluebird Bird House, Cobalt Blue. It features a small nesting compartment that is optimized for Bluebird compatibility and discourages House Sparrows from taking up residence. This is because bluebirds naturally feed. Too much trouble?576. 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. Free Bluebird House Plans for. It's the first video, "Sparrow resistant Bluebird box". 0. We have two neighbors who feed them. fishing line (mono-line) to make bluebird nest boxes House Sparrow resistant, but few detailed plans on how to do it. A ready-made, weather-resistant Sparrow Spooker is now commercially available from Sparrowtraps. Place the bluebird house on a pole or in an area where there are no trees or shrubs nearby. 25"L x 1. Plant Filter. This is especially true if you live in the south, where snakes are more active. Price: $189. Opening: 3. Feb 15, 2022 - Explore mpickar's board "Bird Feeders and more" on Pinterest. Here’s a brief history of the relationship between bluebirds and the invasive, non-native House Sparrow: House Sparrows are from Europe and were introduced until the Joint States in 1850. Our top-of-the-line bluebird house includes all of the key elements needed for a successful nesting experience for both tenant and landlord. Keeping away the sparrows means more food and lessThis item: Kettle Moraine Recycled Bluebird Mealworm Feeder Hang or Mount (Blue, Cedar) $49. 00 Sparrow Proof Bluebird House Quantity - + As low as: $21. Open bluebird house plans with video instruction. This size allows bluebirds to enter comfortably while excluding most competing bird species. Then refine your search using the boxes below. Honestly, my grandparents and my dad always put up houses for bluebirds and made a big deal if they had a pair nesting, so I guess I like them because it makes me think of them. (The goal is to have. This birdhouse for bluebirds help them defend their nest better. This cypress house features a slanted front to further discourage sparrows. House Sparrows LOVE eating cracked corn. 95. The next trap is called a repeating nestbox trap. Made in the USA. Another simple way to reduce the number of House Sparrows and European Starlings around your property is to avoid feeding them. Purple Martin Birdhouse size (18"h x 17-1/2"w x 17-1/2"d). Kit Contents: Qty 3 Coveside Sparrow-Resistant Eastern Bluebird Houses Qty 3 Erva Deluxe Birding Poles with Ground Sleeves and Mounting Adapters Opening: 4"L x 1. 25"H Dimensions: 8. FREE shipping Add to Favorites Previous page. Add to cart. Troyer's Sparrow-resistant Bluebird House (#SRBH) Why the SRBH is Sparrow-Resistant?: The slotted entrance lets in sunlight, sparrows want dark cavities, not bright ones. Family Gifts for all age groups. Now: $89. Removing Bird Nests. Dimensions: 8. 00 ($78. Keep the threat of unwanted sparrows away from fantastic bluebirds with this Sparrow-Resistant Bluebird House with Open Top. 89. Constructed up to 90 percent post consumer recycled plastic it features sturdy screwed together construction. If you chose nothing else in your fight against Bluebird predators, we at AllThingsBluebirds strongly suggest that you use the Sparrow Spooker. Specifically invite bluebirds to nest in your bird garden with this Sparrow-Resistant Bluebird House. $19 for 925 Sterling Silver Fashion Heart Bracelet - Including Shipping!Hanging Bird Feeder Birds House for Outdoor, Hanging Squirrel Proof Bird Feeder Outdoor Birds Feeders for Wild Cardinal, Finch, Sparrow, Blue Jay, Bluebird. Even if you aren't a birding enthusiast, you will quickly recognize this smallish bird (about 6 inches from head to tip of. There is. Also the nest tray takes cubic inches away from the cavity which also. The Sparrow Resistant PVC Bluebird house features a wooden roof. Description. Package Includes: * 4 Conservation Sparrow Resistant Bluebird Houses. House sparrows are not native or protected by law, so it’s legal to remove their nests to protect native birds. Attract blue birds without being bothered by sparrows. 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. FREE shipping Add to. 25″ ( Except for a monitored Bluebird house at 1. 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. After installing the new boxes in the spring of 2014, we have had no sparrows taking up residence. Excellent Bluebird house! If you have problems with sparrows taking over your bluebird houses, this may be the answer for you. WBU Sparrow Resistant Bluebird Nest Box: Our WBU Sparrow Resistant Bluebird Nest Box is designed to thwart pesky sparrows from taking over the box. 4. A Sparrow Spooker set contains (2) horizontal arms with streamers, (2) vertical posts and (6) screws to assemble. 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 chase bluebirds away, crush their eggs, kill nestlings and also kill adult bluebirds. 25"H Slot Opening for Western Bluebirds; Weight: 4 lbs. Features: The entrance hole size is 1-½". Qty: more info: Premium Recycled Bluebird House by Prime Retreat. House Sparrows can enter any entrance hole that ac-commodates bluebirds or swallows. It is made from recycled materials and is built to. 5"W x 8. Quality western red cedar construction. PDF) NABS Welcome Brochure (with Membership Form) (4 pg. In Stock. Contents [ hide] Best Bluebird Feeder Reviews. Common problems include weather, attacks by House Sparrows, House Wrens, and climbing predators such as raccoons, cats, and snakes. PDF Booklet) EABL Nesting. House sparrows chase bluebirds. 7 out of 5 stars 7. Read. Then refine your search using the boxes below. Key Takeaways: Implement effective strategies and practical tips to keep sparrows at bay and ensure a safe environment for bluebirds. com; Published Date:. Amazon. Let’s talk about the points in detail. Take down or modify any ornamental bird houses in your yard. Also the nest tray takes cubic inches away from the cavity which also discourages sparrows. 7 out of 5 stars 59 1 offer from $35. 13"H. 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. Recycled Bluebird House $54. This item: DutchCrafters Plastic Poly Bluebird Nest Box - Post or Wall Mount, All-Weather Birdhouse for Outdoors, Sparrow Resistant Bird House for Outside - Amish Made in USA (Light Gray & Blue) $78. Also the nest tray takes cubic inches away from the cavity which also discourages sparrows. 125"H; 5. Polywood Recycled Plastic Sparrow Resistant Bluebird House. 99. 5m) from your other bird feeders. You can read these tips in greater detail on my website her. Protect the box from predators. House Sparrows prefer smaller seeds like millet, cracked corn, and milo, which are plentiful in inexpensive bird seed mixes. Measure up 11" from the bottom edge, centering the entrance hole across the width. To remove the roof squeeze the sides of the house and it easily comes off for nest checks. 3k) $ 4. Best bluebird feeders. Cedar Roof measurements: 9" x 7-¼" x 1". If you have an old nest box or a new one, this technique will work. Description. Buy Bird Houses by Mark Sparrow Resistant Bluebird Bird House at Chewy. 78. It is made from recycled materials and is built to withstand hard weather. Some have found that if PVC boxes are paired with a wooden box, House Sparrows tend to choose the wooden box. Although not fully Sparrow proof, it has been proven to have the least desirability to them when compared to any other nesting box designs. One-board plans, Eastern Bluebird, Occidental Bluebird also Mountain Bird plans. PDF) NABS Bluebird FAQ (common questions) (4 pg. Then refine your search using the boxes below. 5k)Recycled Bluebird house with 1 1/2" entrance hole and be pole or post mounted, green. The idea is that House Sparrows get spooked by the wire, while many other birds do not. The PVC nest box is the most sparrow resistant. The 10 Best Squirrel-Proof Bird Feeders of 2023. 50. Original price $79. Bird House size: 12-1/2"h x 6"w x 8-1/2"d. Sealed for Outdoor Use & Holds Water. 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. Vinyl-coated wire surrounding the feeder prevents large birds like Northern Cardinals, Blue Jays, or European Starlings from coming in. Clear, crack resistant windows allow for bird-watching while acting as an additional layer of protection. Jan 22, 2017 - House sparrows, also called English sparrows, are aggressive birds that compete with bluebirds for nesting boxes or birdhouses. Attach to a pole or wall and host a bluebird family. 50. The house sparrows have also killed a Tufted Tit mouse and her eggs before I have figured out. It is impossible for a Bluebirder to watch a nestbox 24 hours a day, but a sparrow spooker is on duty full-time, from first egg-laying to fledging day. T his is a great, simple nesting box design developed by Tom Comfort of Antrim County and a committee of national bluebird house experts. Ravenox Sparrow Resistant PVC Bluebird House. Use Bird Traps. See more ideas about bird feeders, bird, backyard birds. These include Tree & Violet-green Swallows, bluebirds, chickadees, wrens, nuthatches, and possibly titmice. jill keepes Apr 30, 2023. Overall box size: 8" high x 4-½" wide. To find the right bluebird feeder, consider the following products rated highly by expert birders. Ships from and sold by KMW INC. 25"W x 8"D x 10. This item: Nature's Way Bird Products CWH3 Cedar Bluebird Box House. 99 USD Regular price Sale price $79. And while the situation has not quite reached Hatfield-McCoy level feuding, the debate does get heated for some. 25 square inches, which makes it ideal for Western & Mountain Bluebirds. 5 x 5 x 10 inches. Many Bluebirders believe that the slotted entrance makes this house sparrow resistant. 5 inches wide: Roof overhang is about. 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. European Starlings, on the other hand, like premium black-oil sunflower seeds. Bluebirds prefer a slot. They are NOT sparrow-proof, but they help. First add 1 cup of bleach to the gallon bucket. From my experience, this house is not sparrow resistant. View full details Original price $64. Find perfect accommodations for your blues. Constructed out of Eastern White Pine. F30 Nestbox Plan PDF – Ideal for Western/Mountain Bluebirds (Nestboxbuilder. 3. This item: DutchCrafters Plastic Poly Bluebird Nest Box - Post or Wall Mount, All-Weather Birdhouse for Outdoors, Sparrow Resistant Bird House for Outside - Amish Made in USA (Turf Green & Cedar) $78. Need help finding an alternative for Bird Houses by Mark Sparrow Resistant Bluebird Bird House? We're here to help at 1-800-672-4399. 99 ($1. Open front panel for easy cleanout. Pretty sound advice. House Sparrows can easily produce three to five broods per season. This blue birdhouse is sparrow resistant. $66. House sparrows chase bluebirds away, crush their eggs, kill nestlings and also kill adult bluebirds. Sparrows look for dark cavities to nest in and this house. 70. Sharp-edged Noel Guard keeps out cats, raccoons & squirrels. . 75"W x 10"H; Opening: 4"L x 1. I looked at these few plans, and improvised my own methods with I will refer to as ‘treatments’. $69. 5 x 5 x 10 inches. 75"H each. Kettle Moraine Cedar Bluebird Mealworm Feeder. The simple metal disc wraps around the pole, preventing squirrels from climbing up to the birdhouse. 4) Nestbox Plans. The bluebird pair gave up and left after house sparrows attacked the nest and killed the babies. All American Blue Bird House, Light Blue. Bluebirds don’t require one, and it will only encourage other birds, such as House Sparrows real European Starlings, to employ an house either give predators a place for landings. Early testing results show the bluebirds really prefer it over many other designs. +. The house sparrow is considered an invasive bird in many areas, causing damage and problems for native species. 95 | / This is an excellent quality, and recycled bluebird house from Green Meadow. While a sparrow-proof bluebird box design has yet to be developed, there have been attempts at designing boxes that are less attractive to them. DutchCrafters Small Sparrow Resistant Bluebird Post Mount Poly Bird House - Choose Your Colors - Amish Made in America. 2. Opening: 4”L x 1. Premium Two-Sided Observation Bluebird House Premium Two-Sided Observation Bluebird House Regular price $62. Sadly, we found 3 dead baby birds outside a bird house on our hillside. 12 Month Prepaid Bird Watching Subscription – 1 patch a month. This birdhouse provides 8 nesting spaces opening on four sides for easy cleaning. Discourage sparrows from overtaking your bluebird trail thanks to this Sparrow-Resistant Eastern Bluebird House. House Sparrows can enter any entrance hole that ac-commodates bluebirds or swallows. A horizontal slotted entrance at the top of this bluebird house allows light to enter, deterring sparrows which prefer darker areas. Thought we were doing it all correctly with sparrow proof box and sparrow spooker. Sparrows like larger accommodations. 28; Audubon Cedar. Each wood piece is 1/2 x 1/2 x 8 inch long. 5" hole. 8 centimeters). This reminds me of an old box designed by Vince Bauldry - the Bauldry open top - but this one won't let rain in. These invasive birds can empty my big hopper feeder every day or two (and that feeder holds up to 12 pounds of bird seed!). Normal box size includes a 4×4 inch floor, a depth of (minimum) six inches, and an entrance size of one inch in diameter if round or 1 1/8 inch if using a slot shape, said Springer. 99. 9 Free Gazebo Plans. Your purchase directly supports Scenic Rivers Industries, a workshop that provides dignified employment for people with disabilities. Each box has a 2 1/2 inch diameter skylight covered with clear plexiglass. Gilbertson Sparrow-Resistant Bluebird House (#GBB) The Gilbertson PVC nest box features a western red cedar or brown poly-wood roof. Hang this Bluebird House in your backyard to attract not only bluebirds, but titmice, swallows, nuthatches, chickadees and wrens. Keep bluebirds roosting in your backyard with the conventional design of this Cedar Bluebird House. (can be increased with side height) Lumber: 1 x 6 (box); 1 x 10 (roof) Saw cuts: crosscut, bevel Cedar is probably the most affordable weather-resistant wood. Slotted entry hole, measuring 4-1/4 x 1-1/4 inches tall. Poly Sparrow Resistant Bluebird Post Mount Bird House, blue birdhouse, bluebird house, Custom Birdhouse, Custom Colors, outdoor decor (74) $ 49. $1899 ($18. 5"W x 10"HPlace away from dense cover (shrubs, thickets) and woods. Developed by a major university. com : Coveside Bird Habitats Sparrow Resistant Bluebird House : Bird Houses : Patio, Lawn & Garden Patio, Lawn & Garden › Outdoor Décor › Backyard Birding &. $10. 95 Add to Cart. 125"L x 5. Also see a new approach to wiring a platform feeder to repel HOSP. In the past, we've had raccoons & crows raid our bird houses but they eat the eggs or babies, they don't drop them. 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). 70. Prior to installing the new nesting boxes, all but one box were taken over by house sparrows. Durable tan and green recycled plastic. Instead of a drill hole, this design has an open-top slot entrance, safer for birds to exit in case of an intruding predator. Wrens will use holes that. We can't figure out what happened. House sparrows chase bluebirds away, crush their eggs, kill nestlings and also kill adult bluebirds. December 19, 2022. 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. 99. Instructions: front of the nest box spaced about 1 3/4″ inches apart. $62. 25"H. Gtongoko 80 Inch Bird House Pole Kit,. Check out our Sparrow Proof Bluebird House!This blue birdhouse is sparrow resistant. In Stock Ships from OH . Dimensions: 8. Below are fun, out-of-the box birdhouses that add style to walkways and gardens. Floor area: 22 sq. No. Made in the USA. SRP: $67. Songbird Essentials Sparrow-Resistant Bluebird House. 99The 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. 1. Gilbertson Nest Box - NABS Approved from $36.