As an Amazon Associate I earn from qualifying purchases.

1. Kettle Moraine

#ad

Kettle Moraine Copper Portal for Eastern Bluebird Bird Houses Predator Guard 1 1/2" Opening

#ad
Kettle Moraine #ad - Maintains Entry Diameter. 4 mounting Screws are Included. 2" x 2" square opening is 1 1/2" Diameter. Fits on any Bird House. Made from Copper.
BrandKettle Moraine #ad
ManufacturerKettle Moraine Woodworking #ad
Part NumberCP1.5-CA
ModelCP1.5-CA

2. Kettle Moraine

#ad

Kettle Moraine Cedar Replacement Predator Guard for Eastern Bluebird Houses 1 1/2" Opening

#ad
Kettle Moraine #ad - 3. 5" x 3. 5" x 7/8" thick. 1 1/2" entry. Replacement Predator Guard. Eastern Bluebirds. 2 screws Included for Mounting.
BrandKettle Moraine #ad
ManufacturerKettle Moraine Woodworking #ad
Weight0.31 Pounds
Part NumberBBNBPB1.5-CA
ModelBBNBPB1.5-CA

3. Nature's Way Bird Products

#ad

Nature's Way Bird Products CWH3 Cedar Bluebird Box House

#ad
Nature's Way Bird Products #ad - Crafted from insect and rot resistant premium cedar with a water-based protective stain; The hardware used in construction of the house is rust-free. Pole mount or flush mount installation options. Clean-out doors provide easy access for cleaning. Predator guard extends the entrance hole to protect young birds against predators. Air vents allow for maximum air ventilation through wall and floor openings.
BrandNature's Way Bird Products #ad
Manufacturer: Nature?s Way Bird Products, LLC #ad
Height12 Inches
Length8.13 Inches
Weight2.8 Pounds
Width5.5 Inches
Part NumberCWH3
ModelCWH3

4. BestNest

#ad

1.5" Dia. Hole, BestNest Erva Steel Hole Protectors, Pack of 4

#ad
BestNest #ad - Beige color and powder coated finish ensure durability. Set of 4 steel hole protectors for use on your existing bird houses. Included screws assist with installation. Each protector installs onto your existing bird house easily. Each plate has a 1. 5" diameter opening in the center, perfect for use with bluebird houses.
BrandBestNest #ad
ManufacturerBestNest #ad
Height0.1 Inches
Length2 Inches
Weight0.1 Pounds
Width2 Inches
Part NumberPH1B-CP4

5. JCs Wildlife

#ad

JCs Wildlife Ultimate Bluebird House with Denali Squirrel Proof Pole, Green and Brown

#ad
JCs Wildlife #ad - Denali installation is incredibly simple and effective! The denali will protect the inhabitants from ground squirrel attacks thanks to the squirrel proof baffle which moves up and down and side to side. Entrance hole is 1. 5" in diameter and is protected by the included predator guard. A wonderful kit including: a jcs Wildlife Ultimate Bluebird House and a Squirrel Stopper Denali Squirrel Proof Pole. Jcs wildlife ultimate bluebird House is made from Recycled Poly Lumber which will never crack split or fade.
BrandJCs Wildlife #ad
ManufacturerJCs Wildlife #ad
Part NumberGBUandDenali
ModelGBUandDenali

6. Woodlink

#ad

Bluebird House with Predator Guard and Metal Roof | Cedar Bird House for Outside Wild Bird Watching | Bluebird Nesting Box with Forest Green Accents

#ad
Woodlink #ad - Designed for bluebirds: it has also been known to attract other songbirds as well including, Nuthatch, Flycatcher, Nuttall, Wren, Chickadee, Titmouse, Swallow and Sparrow.

Attracts bluebirds fast: Ornithologically designed Bluebird nesting box is appealing to Bluebird desires often attracting birds within days. Assembled and ready: this is not a build a birdhouse project, comes ready to be mounted and is a holiday gift idea that keeps on giving all year long. Easy to open: it’s thrilling to watch your little friends and check the progress of nesting birds, It is also easy to clean out when needed to keep them coming back. Natural cedar bird house: resists rotting due to weather and is assembled with rust resistant screws instead of brad nails to withstand temperature changes, giving you years of bird watching enjoyment.
BrandWoodlink #ad
ManufacturerPanacea #ad

7. Wild Wings

#ad

Wild Wings WWCH3 Cedar Blue Bird Box House

#ad
Wild Wings #ad - Crafted from insect and rot resistant Premium cedar. Predator guard extends the entrance hole to protect young birds against predators. Clean-out door allows easy access to clean between broods. Air vents allow for proper air ventilation through wall and floor openings.
BrandWild Wings #ad
ManufacturerWild Wings #ad
Height12 Inches
Length8.13 Inches
Width5.5 Inches
Part NumberWWCH3
ModelWWCH3

8. Cedarnest

#ad

Front Opening Wall Mount Wood Bird House, 4 Count, Cedarnest Bluebird Birdhouse

#ad
Cedarnest #ad - Resistant to decay and insects - Handmade with Western Red Cedar which is a tough wood and naturally resistant to decay and insects.

Easy to clean - with the front opening style of this bird house and the durable weather-resistant wood, clean up is a breeze. Predator guard minimizes threats - The predator guard will help prevent predators such as cats, starlings, raccoons, and others from being able to reach the nesting area. Dimensions - house: 5. 5"w x 5. 5"d x 12"h, nesting area: 4. 75" x 4", hole Entrance: 1. 5". Natural colors/textures will vary - The rough surface also enables the birds to hold onto it with their claws.
BrandCedarnest #ad
ManufacturerCedarnest #ad
Part Numberbb-04
Modelbb-04