WebDec 13, 2024 · The entry hole should be round and 9/16″ in diameter to prevent large bully birds like European starlings from entering. There should NOT be a perch since bluebirds won’t use it but bully birds like House Sparrows will. Cavity size should not be larger than 4″x4″ (or 4″x5″ maximum) as bluebirds prefer the cozier size. WebA 1.5″ (3.8cm) diameter entrance hole is the optimum size for bluebirds and tree swallows. However, chickadees, nuthatches, warblers, woodpeckers, and wrens will also gladly make this their home. See Bird House Hole Size if you want to attract a specific bird. Optionally, drill a 0.25″ (0.6cm) inch hole for the bird perch.
How to Make a DIY Bluebird House Birds and Blooms - This DIY Bluebird …
Web• Nestboxes for Eastern Bluebirds should have a round entrance hole measuring 1½" to 19/16" in diameter, or a 1⅜" x 2¼" vertical oval hole, or a 1⅛" to 13/16" horizontal slot entrance. Western and Mountain Bluebirds use a 19/16" round opening or 13/16" slot entrance. Because there are no undesirable species that can access 19/16" holes WebAug 16, 2024 · For example, a 1-1/8 inch hole guard placed over a 1-1/2 nest box hole makes a bluebird house safer for chickadees. Chickadees often run the risk of being evicted by larger birds like bluebirds. They … green leather luggage bag
How to Make a DIY Bluebird House Birds and Blooms
WebJul 28, 2024 · Bluebirds prefer a house that has and entry hole of 1 1/2 inches for eastern and western species and 1 9/16 inches wherever mountain bluebirds may be. 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. Do not add or buy any birdhouse with a perch. Web4x4. 6-8. 1 1/8. 4-6. 5-10. *These species species use a nesting shelf (3 sides and an open front) or a platform instead of a closed-box design. **If the Osprey platform is placed inland, the height should always exceed the height of any nearby trees or 20 feet whichever is greater. Using the right dimensions for your bird house is a good start ... WebJun 22, 2024 · Entrance hole: The entrance size is the most critical dimension for a safe, effective bluebird house. The hole should be 1 1/2 inches in diameter for eastern and western bluebirds, though mountain … fly high dove