• Breeding success will vary with different box designs. Another pioneer in bluebird trails is Steve Gilbertson of Aitkin MN who developed the Gilwood wood nest box and the Gilbertson PVC nest box. "New Gilbertson style PVC Bluebird next box. Loading. The runt is on the bottom of the pig pile. 5" x 6" x 6"" EtsyUK. At the time of organizing back in the 1970s, BBRP was the first state bluebird organization in the nation. Nest Box Pole Option 1: Steel Pipe. Here is the Solution4Patio Description:. For more information on this bird house please see Amazon link below: The Peterson has worked wonderfully to house bluebirds for many years. Created by Stehen Gilbertson of Aitkin MN, the Gilwood has since established itself as a favorite with bot Bluebirders and the Bluebirds themselves. 8 years ago. 5 inches (1. Photo Credit: Christina RinasThis should be done at the beginning of the nesting season. The most important thing is to know what kid of birds you want to attract and provide boxes that meet that specific bird'd requirements. The main components of to system are a 5 footer long section of ½” electrical conduit press a 48” long play of ½” diameter reinforcing bar (or rebar for short). METHOD Nest Box Design and Installation 37 pairs of Gilbertson and Peterson nest boxes wereYou may know the name for his famous nest boxes, but The Gilbertson bluebird feeder has actually been around for years. A House Wren constructs a nest in a Gilbertson-style nest box in my backyard. Bluebirds ’ requirements for nesting admit : Reading: Bluebirds FAQs: How to Host Nesting Bluebirds in Your Backyard. Church Birdhouse Vinyl/PVC $279. It keeps crows, hawks, owls and others from getting their shoulders into the nest box. Face the box away from prevailing winds. The Registered Agent on file for this company is (Optional) None Provided and is located at 35900 Dove Str, Aitkin, MN 56431. : "Blue bird house - Just put the houses up and waiting for the blue birds to begin building their nest. g. Also NABS approved, though unlike a traditional bluebird house, it operates in a different fashion. . Nest boxes help maintain bluebird populations that have declined by as much as 90%. Take a peek at eggs or. Dec 27, 2020 - Discover (and save!) your own Pins on Pinterest. Use a sheet that is about 32 inches tall, and a width that will allow the sheet to wrap entirely around the trunk. However, we still did not increase the number of Eastern Bluebirds. A quick cellphone pic of five baby bluebirds in the Gilbertson nest box. Nests Near Humans. These educational Fact Sheets and Plans for construction of Bluebird nest boxes/accessories are free to download and print (as indicated by (PDF) after each title) for your own use, or to use as handouts at Bluebird programs, or for anyone interested in Bluebirds. Thousands of boxes have been successfully mounted Step 8. Find more bird houses plans or discover more bird houses and bird feeders. High quality and USA made, find durable cedar, recycled plastic (or poly-lumber) and stunning vinyl bluebird houses with copper roofs. Scientists have found hair from a wide variety of species in Tufted Titmouse nests, including human. Gilbertson Bluebird Nesting Boxes (1 - 1 of 1 results) Price ($) Any price Under $50 $50 to $100 $100 to $200 Over $200. Original Gilwood design by Steve Gilbertson - Aitkin,Mn Drawn by: Fred Stille, Sr. For further assistance, please use our Contact page. The idea is to place the pins or. , 6 nestlings) as they may lean against the front. For slotted boxes, no one factor seemed to predict success. A Bluebird’s diet consists mostly of insects and berries, with a balance of around 2/3 insects and 1/3 berries. . Raccoons present a danger to cavity nesting birds. If I had House Sparrow problems, I would go with a Gilbertson PVC. The shape is definitely similar, although the birch appearance is much more aesthetic. . Step #2: Arm the trap - Slide sparrow trap. Materials Needed to Build this Blue Bird Nest Box . The Gilbertson PVC nest box features a western red cedar or brown poly-wood roof. Repeating Bait Ground Trap. 5 – 3″ between the guard and the nest box entrance hole. The Gilbertson Bluebird Nest Box has a round entrance and a different design of roof as compared to the Gilbertson Box with a slot entrance. Steve Gilbertson no longer manufactures bluebird products, but you can get this style trap from the Purple Martin Conservation Association for $13. Bluebird boxes are often pole mounted. Squeeze box to match up the pins in the holes to reattach to roof. This front-door bluebird abode. The PVC (Gilbertson) nestbox is a unique design. The best nest box to use for bluebirds in Maine is either (1) a wooden nest box with a 1 1/2 inch round entrance hole, or (2) a Gilbertson-style PVC pipe nest box with a 1 1/2 inch round entrance hole. Red squirrels can enlarge the hole of the bluebird house and even take up residence if able to get inside. PVC will not rot, split or crack, nest box will host many successful broods with its great features: Small Bird Approved: Attract Many Bird Species like Bluebird, Wren, Chickadee and Other Small Birds with This Beautiful Nest Box. One has vent covers. For example, the Gilbertson Bluebird House uses PVC pipe, a cylinder-shaped nest box, and a smaller nesting cavity to discourage house sparrows. The entrance to the nesting box should be about 5-6 feet above the ground. The Bluebird Recovery Program of Minnesota (BBRP), recommended boxes include the Gilbertson PVC, Gilwood, and the Peterson. Shop The Birdhouse Chick today!In my experience, if given a choice, BCCHs seem to prefer to nest in small NABS style boxes, or Gilbertson PVC boxes (vs. Replacement Plexiglass Window. , +2 more Salt Lake Community College. A Safe, Sparrow-resistant Nest Box Sparrow-resistant boxes are criticial to keep out the Bluebird’s deadly nemesis: The House Sparrow! We recommend Slot Boxes or the Gilbertson Nest Box along with dedicated monitoring. Woodlink NABB Audubon Bluebird Houses. Sometimes these birds opt for man-made nest sites and adopt nest boxes. This model includes a stay-clear, crack-resistant viewing window to allow for nest viewing. 6) DANDR Nestbox Plan. We would like to show you a description here but the site won’t allow us. Find the most handsome bluebird houses for all tastes, most are approved by the North American Bluebird Society (NABS). The interiors of light-colored boxes stay cooler than dark-colored boxes. The week Ben Gilbertson (BBA22/BFA22) graduated high school, he had to fit in a quick trip to Carnegie Hall. "easyto build"nest box pattern was selected. Read honest. However, there is a great “sparrow-resistant” nest box that a lot of folks have success with called the Gilbertson-style nest box. Install the spooker immediately after the first egg is laid to deter House Sparrow attacks. Try boxes with larger floor size, as House Wrens may prefer smaller floors. Gilbertson’s box traps from Steve Gilbertson, HC 5 Box 31, Atkin, MN 56431, (218. Wood Birdhouses. Drill 5/8" vent holes 1" down from the top and 2" in. CACH's have been reported nesting in: 4" round PVC (Gilbertson) style, mounted at 10', which they may prefer. Comments from Bet. Insert 1/4-20 x 2 1/2" machine screw and secure with washers and nut. Many bluebird trail monitors love the Gilbertson nest box model. Gilbertson nest box near creek. Everything you need to have success about bluebird houses! Includes PDF plans, DIY picture tutorials & the BEST pre-made nest boxes. 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. Numerous nest box plans and designs have proven to be successful. The Gilbertson-style nest is well-known for it's well thought out shape. ⭐⭐⭐⭐⭐ 5 star review from Bruce L. For more on this, ask us at the store or see our web page “House Sparrows: Deadly Foreign Invaders. The Gilwood represented one of the most radical changes in bluebird nestbox design since manmade nesting structures were first erected for Eastern Bluebirds in the 1930s. It has so many features that I love. METHOD Nest Box Design and Installation 37 pairs of Gilbertson and Peterson nest boxes were You may know the name for his famous nest boxes, but The Gilbertson bluebird feeder has actually been around for years. When many other states created their own bluebird clubs. You all just helped me in the post "Best Nesting Box To Discourage House Sparrows. Holding pattern centered on door and about ¼ inch down from bottom of entrance hole, mark on cross hairs with an awl or sharp nail where the two screws are to go. : "Beautiful little birdhouse - It was very easy to set up. Front View. Explore. 7) Gilbertson Bluebird Nest Box. The Gilwood represented one of the most radical changes in bluebird nestbox design since manmade nesting structures were first erected for Eastern Bluebirds in the 1930s. I clean out my Gilbertson boxes after each brood and drop them in a 10% bleach. Gilbertson boxes are used by birds starting in April. . And while all types of guards were correlated with improved nesting success, birds nesting in boxes with cone-type baffles, stovepipe baffles, or entrance hole extenders (also. 10) Hanging Western Bluebird Nest Box. NABS Fact Sheets & Plans. Often painted to look like birch, interior brown to darken. At nest level: On boxes with angled fronts (e. If you want to build your own nest box,. This is very attractive to the Bluebird species! SPARROW RESISTANT Sparrows are a chief competitor to many birds. 1/8" dia. Macrame Diy. 4 x 13 inches. Hanging Box: if you have a spare, replace the dirty box with a clean one. Install predator guards to keep snakes, raccoons and other predators from raiding nests (e. It is made by using 4″ PVC drain pipe, a wooden floor with a drainage hole, and then mounted underneath a roof on a pole. Watch. The plastic pipe material and the shallow depth from the entrance hole to the nest box floor. For more on this, ask us at the store or see our web page “House Sparrows: Deadly Foreign Invaders. Birch-like log base. The Original "Trap-It" Ant Moat. From . This box has a shallow 4 1/2 inch drop from the bottom of the entrance hole to. This style of nest box is made from PVC drain pipe that is about 4-5 inches in diameter, and is topped with a wooden roof. This is by far the best bluebird box to attract them to your yard. Shop. The Gilbertson PVC nest box features a wooden roof. Gilbertson Nest Box - NABS Approved. out-buildings, etc. the box an d the piace one Marion by placing tha upside40vm . That’s the short. : "Verdict is still out - It is still too early for me to give a true review of the birdhouse . 95 +S&H. Where. ECO FRIENDLY DIGS Gilbertson Bluebird Cedar Wood Nest Box, Outdoor Nesting Box for Birds, Wooden Bird House, Pole Mount Birdhouse for Outside - Amish Made in USA Visit the ECO FRIENDLY DIGS Store $49. Have also used NABS style boxes, wren house. He already knew he wanted to attend the Tippie College. com)Best Nest Box: My all-time favorite nest box for bluebirds is the Nature’s Way model CWH4. Gourd Insert Trap. The Missouri Bluebird Society is a 501 (c) 3 not- for- profit organization dedicated to conservation of bluebirds and other native cavity nesting songbirds, and to educational projects that would be of benefit to these native birds. A limited number of nest boxes each year will be awarded to assist in. Steve Gilbertson no longer manufactures bluebird products, but you can get this style trap from the Purple Martin Conservation Association for $13. out-buildings, etc. Gilbertson Nest Box Mounting System Steve Gilbertson has developed a extremely simple, effective, and inexpensive mounting system that works for most light in medium weight nest bins. by Backyard Bird Lover at Amazon. With a 30. Aug 14, 2016 - These Gilberston Nest Boxes really entice Bluebirds and their secure, warm construction allow for many broods to live in these great NABS Approved bluebird boxes. It is another of the "less is more" type of nest boxes in that the relatively small inner nesting space is being found to be more successful than larger cavities. The roof designs are invertedNesting Habits of the Tufted Titmouse. 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. See Comparing Pros and Cons of Various Predator Guard Styles. This unusual, wedge-shaped box is smaller than most bluebird boxes. Michigan Bluebird Society's problem solving guide for Bluebird Nest boxes including how to trap house sparrows, keep predators out of the house, and solving ins. Blue Bird Nest Box Dimensions Cutting PVC with a hand saw. Right Bird, Right House Interactive;. It is a very simple-to-build feeder that almost anyone with basic woodworking skills can make. Gilbertson PVC Bluebird Nest Box PDF (Nestboxbuilder. When painting boxes use light-colored paint. Both the Gilwood and Gilbertson have small interiors. Boxes that Tree Swallows nest in should have "kerfs" or grooves (saw marks about 3/4" apart) or 1. Oct 30, 2012 - 2020 holiday shipping is no laughing matter. My husband and I spy a male and female bluebird couple hanging around our one Gilbertson nest box. If you make your own nestbox, use PVC or unpainted, untreated 3/4" - 1" wood, put on an overhanging (2-5" overhang) roof (a shallow saw kerf (groove) will keep rain from soaking into box), no perch, a round 1 1/2 " diameter hole (or 1. Mountain Bluebird s need a 1 9/16" hole), ventilation, drainage holes, and make it. The next step to build a bluebird house is to cut part D from a 1×4 so the end is 45 degrees, and then reset your saw to cut the piece to final length. Bracelet Crafts. Easy to build. Nesting bluebirds. English Sparrows prefer a lot of headroom to build their messy high dome-shaped nests and tend to avoid Gilbertson nest boxes because they have almost no headroom. Slightly squeeze it again and it snaps back to the 100% 7/8 inch cedar roof. And, it thwarts starlings and house sparrows. 11 years ago. The authors recommend the use of nest boxes with round entrance holes over those with slotted entrances. No matter what design you use all Tree Swallow boxes should have: Sturdy wood construction using 1″ rough-cut boards or plywood (exterior-grade only) no less than 1/2″ thick, preferably thicker. Use wren guards on active bluebird houses. Find a NABS Approved bluebird house or PVC and copper bluebird house, cool bluebird homes in wood too⭐ ⭐ ⭐ ⭐ ⭐ 5 star review from Linda W. High quality and USA made, find durable cedar, recycled plastic (or poly-lumber) and stunning vinyl bluebird houses with copper roofs. Bluebirds are very tolerant of human presence. Bracelet Fil. Cut the two side pieces. Install bracket at bottom. Some Bluebirds, paired with last year’s mate, may also be getting a quicker start!House Sparrows tend to like them for whatever reason – so ditch the perch to get rid of House Sparrows. First heat test of the Gilbertson PVC Nest Box. Should I order two boxes, or once I. from basic nest box to bluebird mansion! Copper Roof Bluebird House 26x8 from $195. The interior of standard Gilbertson boxes is coated with non-toxic paint. Julie used two popular nest box models, the Gilbertson model and a more traditional Peterson model and paired them 80 meters apart, throughout the. Drill a 5/16" hole through nestbox back and pole. Why you must shop now for the best birdhouse-feeder gifts, Get the promo code before it expiresThe Gilbertson-style PVC pipe nest box with a 1 1/2 inch round entrance hole (see my pick here) Each of these styles of nest boxes work very well at attracting Eastern Bluebirds. There are 2 nest boxes wherein the vent holes are drilled, cutting the PVC pipe, thus producing these nest. It needs to face the right way. Eastern Bluebirds put their nests in natural cavities or in nest boxes or other artificial refuges. 0, Sept 8, 2011Page 1 of 1 1/2" EMT Coupling Longer screw at bottom 1/2" EMT Conduit 5 ft. To install a nest box on a pole, check out this instructional PDF. g. Bluebird Houses with side door or Gilbertson Nest Box are best. Bird House Feeder. 2 x 5. com. Bluebirds Across Nebraska believes the Gilbertson conduit/rebar mounting system is the best system available for mounting a lightweight bluebird box. 1. Everything you need to mount your bird feeder or nest box securely! Easy Assembly Heavy Duty Black Powder Coated Steel Construction Strong 3 Piece 1" Diameter Tubular Pole Ground Stake Drives 17. Open nest box door and lay pattern on inside of door with edge marked “Top” towards the hole. If installed afterwards, it will not be effective. 98: Wooden, angled-top nest box for wrens and chickadees, green roof: Amazon: Kettle Moraine Recycled Bird House Nest Box for Wrens and Chickadees: $45. Here, we outline all the different styles – regular wooden boxes, recycled plastic nest boxes, Peterson nest boxes, Gilbertson nest boxes and so on. More expensive and complicated (need table saw and miter), can be expensive to purchase. Steve Gilbertson of MN designed his many years ago and found it very successful for attracting bluebirds but. Don’t put anything in your bird box (birds are clever an resourceful enough to build. Can be previously for Eastern Bluebirds, flycatchers, swallows, titmice, chickadees, nuthatches, and wrens. Birdhouse Designs. Contact info: [email protected]" oval hole. 3) The Right Nest Boxes. Box is set up in yard relatively close to the house. Complete nest failure was more common in slot boxes, potentially due to more exposure to the elements. Light weight and durable, the Gilbertson PVC bluebird box is designed to fit any 1/2 inch pole. 00. If placing new boxes, be sure they face the openness of a yard, meadow or field. 90 ( $49. Adapter Plates Conley II; Bedding and Breakfast; Calendar & Books; Dancing Scarecrow; Purple Martin Decoys; Song Bird Magnet; Miscellaneous; Gift Certificate; Bluebird. Make use of the employees’ contact info like phone number, email address and LinkedIn profile to contact key decision makers. 00: Decorative, rooftop-style nest box for chickadees and wrens, made of recycled milk. Probably the most commonly used are NABS, Peterson, Slot, and Gilbertson. A Safe, Sparrow-resistant Nest Box Sparrow-resistant boxes are criticial to keep out the Bluebird’s deadly nemesis: The House Sparrow! We recommend Slot Boxes or the Gilbertson Nest Box along with dedicated monitoring. If placing new boxes, be sure they face the openness of a yard, meadow or field. Box height varies depending on drop selected (entry to floor distance). Another great option is vinyl because it's mold and bacteria resistant, and unlike wood, PVC/Vinyl material lasts a lifetime. If I bought ONE box for Eastern bluebirds, it would probably be a Gilwood (which they seem to prefer in my experience) or maybe a Troyer (a box used successfully by Bluebirds Across Nebraska - see info). USE OF GILBERTSON PVC BOXES Although Gilbertson PVC boxes are not 100% sparrow resistant, House Sparrows seem to be reluctant to use them. Boxes placed in or around residential areas are likely to be claimed by House Sparrows. Sit Back and Enjoy Bird Watching From the. These are inverted roof designs in positions of natural assembly. Look at their little pin feathers popping out! And already they are showing their true blue colors, with a bit of (dinosaur) green. The last fledglings will be gone by October. nest-box model if presented with choices. Some birdhouse landlords share that they use pellet guns to eliminate house sparrows. : "Gilbertson Nest Box - Already have these type of boxes and expanding territory so these are a welcome addition!! Gilbertson Nests have worked well on reducing the. Preferred by blues over the years, cool birdhouse mounts quickly and easily on 1/2-inch metal conduit. Diesen Gilberston Nest Boxes really enticement Birdies real their secure, warm built allow for many muses to live in these great NABS Approved bluebird boxes. Download plan: 170kb. Simple to monitor, just squeeze the top of house with both hands to elongate and release the birdhouse part. Gilbertson PVC Box. Tree Swallows fledge as early as day 18 or 19 if good weather and feeding. There currently is no scientifically-documented way to exclude English Sparrows that works permanently, but some monitors have observed that Gilbertson PVC boxes are often. In particular, the PVC Gilbertson nest box, Troyer nest box, and Gilwood designs have gotten encouraging results. #8 X ¾” self-tapping sheet metal screw, installed when. They may be moderately effective against squirrels. Nest boxes can be mounted on poles, fence posts, and even trees. . The bluebird parents take turns bringing bugs to the nestlings all day long. Cozy Digs for Eastern and Western Blues. All boxes should be installed. Gilbertson style PVC. 6. Metal band made from piece of retractable tape measure is bent down to engage wire retaining arm. This reduced roof warping, sealed the water out, and made the roof stronger to mount. Other products in the Traps category. Smooth round pipe may be the best choice and is available from almost any hardware store. . Narrow (3. Raccoons and Red Squirrels. . If you want to build your own nest box, take a look at the detailed nest box plans that I currently recommend on my website. Box Dimensions: 8. $3. Species. But what still needs to be tested is if the Eastern Bluebirds will decide to nest inside the Gilbertson box. Come May or after I will have a better idea when I see which bird might try to use bluebird house or not. The nesting box must be the correct height for the birds that will use it. Just a warning that the Peterson nest box can be tricky to build. , a 2-4 ft. 1-3/8″ to 1-1/2″ entrance holes to keep larger birds out. so little time! READ MORE. House Wren; Tags. At this point, the Gilbertson box, which is 4" in diameter, is quite crowded. 15. Preferred by blues over the years, cool birdhouse mounts quickly and easily on 1/2-inch. T-14 House Nest Trays; T-14 House Parts & Accessories; Traps. This is not a certain method, since HOSPS will nest in PVC boxes, but they don’t seem to prefer them. Share. I relocated the feeder array to another part of the yard some distance from the Gilbertson nest box. If installed afterwards, it will not be effective. Shop The Birdhouse Chick today!First, check that the cam is working before you install it in the box! Most cameras can be mounted to the underside of the nest box roof with a few screws. . 269. Find and reach similar companies by location, industry or both. Each of these nest box styles work well for Eastern Bluebirds and they have proven successful at attracting bluebirds in Ohio. Place nest boxes in the sunniest, most open area possible, away from your house or deep shade. Wednesday, November 15, 2023. Initial studies suggested the Gilwood box marked an improvement over other nest-box designs. 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 be. Rule of thumb: Unless there’s an active brood in your box, it should be empty and clean. As well-constructed as some nest boxes might be, they are not immune to ectoparasites, the presence of which can deter some birds from occupying a nest box. on a post, a fence line, or any place where birds would like to call home. 5" diameter entrance hole is needed, while the Western and Mountain bluebirds prefer a slightly larger 1. The tube shape paired with the coloring of this birdhouse represents the look of a tree. A round entrance of this size allows bluebirds to enter while excluding European Starlings, an invasive species of birds that compete heavily with bluebirds for nesting sites. Dubbed “the Gilbertson Nest Box” it might just resemble a coffee can at first glimpse. The front of the box should not be attached with glue or nails; it is held in place by the. Teacup Bird Feeders. If sparrows do take up residence, one option is to relocate the box to a site farther away from human occupation. Choose North American Bluebird Society (NABS) approved birdhouses to increase chances of successful broods and fledges. Instructions for assembling the box. Ned's Nesting Boxes - handbuilt by a charter member of the Missouri Bluebird Society - nice quality, screws, large overhanging roofs, kerfs, comes with information sheet. Over the course of about six days, the Tufted Titmouse pair will build a cup-shaped nest inside a tree cavity. DutchCrafters Gilbertson Bluebird House: $39. Other Features With an entry-to-floor drop of 9 1/2" and a 78 square inch floor, the nesting cavity is a little more spacious than traditional boxes. The week Ben Gilbertson (BBA22/BFA22) graduated high school, he had to fit in a quick trip to Carnegie Hall. Steve Gilbertson - Aitkin,Mn Drawn by: Fred Stille, Sr. Wednesday, November 15, 2023. I sanded the PVC and applied a very thin splatter coat of flat. The Amish Gilbertson Bluebird House has a round birch-like log bottom and a strong squared top made of eco friendly poly (recycled plastic). Shop The Birdhouse Chick today!Gilbertson Nest Box Mounting System Steve Gilbertson has developed a very simple, effective, and inexpensive assembly system such works for most light to medium weight lair boxes. The Gilwood nest box looks like a more traditional nest box made of wood, but it has an interesting oval-shaped hole that acts as the main sparrow-resistant feature of this bluebird house. Designed according Steve Gilbertson are Aitkin MN, the Gilwood has since established itself as a favorite with both Bluebirders and the Bluebirds i. Jul 14, 2013 - These Gilberston Nest Boxes really entice Bluebirds and their secure, warm construction allow for many broods to live in these great NABS Approved bluebird boxes. A house with side door makes for easy monitoring, as does the famous Gilbertson Nest Box. Drill two 1/4" ventilation holes in the side panels of the box. Cedar roof. SH- Hummingbird Feeder, The Original One Piece Drip-less Feeder/Silver Hobnail. Steven Gilbertson Social Studies Teacher at WSHS (5-12 Certified)- Varsity O-Line Coach at WSHS- Varsity Assistant Baseball Coach at WSHS Winona, MNA method that works well for mounting lightweight boxes (like Gilbertson PVC boxes) is to use a 5-foot piece of ½-inch. There's a beautif. Where. . Subtotal: $0. that promotes the recovery of bluebirds and other native cavity-nesting bird species in North America. All boxes should be installed. There's a beautif. Two slots across rear underside of roof keep water from dripping on back of box. . boxes with variable distance from bottom of entrance hole to nestbox floor: 4. He had made it to the top . 3cm) Loading. : "Fast delivery, easy setup, birds nesting already - Trying to deter house sparrows, wanting bluebirds. Shop The Birdhouse Chick today!Installing Nest Box Excluders: Nest box excluders are accessories that prevent starlings from entering or taking over the bluebird box, allowing only bluebirds to utilize it. Steve Gilbertson of Minnesota has developed a very simple, effective, and inexpensive mounting system that works for most light to medium weight nest boxes. None chose the Gilbertson box. Just choose a set of 2 or 3 to save! Copper Portals. 11 years ago. com. Use Sparrow-resistant boxes. 250" oval hole. and cats from reaching the resident birds. IMPROVED Troyer-Haskell Troyer Tunnel Trap. These Audubon bluebird birdhouses are simple, well-built, and untreated. Invented by Steve Gilbertson HC 5, Box 31 Aitkin, MN 56431 For more information, contact the Georgia Department of Natural Resources,. 00. Gilbertson: Nest container pulled out through bottom to monitor. It uses a cedar floor, and a cedar roof which the box body fits into. The selected our Gilbertson Nest Box and laid 5 eggs starting on April 2. What a thrilling experience!This should be done at the beginning of the nesting season. Discouraging predators and other nest box invaders. Now with optional poly-lumber matching roof. Bird BathsGilbertson feeder – Instead of vertical bars,. $25 each or six complete units for $120. Dec 31, 2012 - These Gilberston Nest Boxes really entice Bluebirds and their secure, warm construction allow for many broods to live in these great NABS Approved bluebird boxes. (I recommend mounting boxes on smooth metal pipe with a wobbling stovepipe baffle,. . Find a NABS Approved bluebird house or PVC and copper bluebird house, cool bluebird homes in wood too Page 2. 50. You can also watch this video that we produced to go along with our curriculum Thinking Outside the (Nest) Box for middle school students, which walks you though the same instructions. The size of the entrance hole can be adjusted from 1¼ to 1 3/8. Category. A wren guard is a small barrier or hood -like structure that blocks the vision of a birdhouse entry hole. the base of the box (See image 4). " I currently have two bluebird. If I had House Sparrow problems, I would go with a Gilbertson PVC. g. Species.