Bluebird Boxes Plans - Plansmanage

Building the Perfect Bluebird Box: A Comprehensive Guide to Essential Aspects

Bluebirds, with their captivating azure plumage and cheerful songs, are a cherished sight in many backyards. Providing them with suitable nesting boxes is crucial for their survival and the flourishing of their populations.

1. Dimensions and Specifications

The optimal dimensions for a bluebird box are:

Floor: 5" x 5"
Height: 6" - 8"
Entrance hole: 1 1/2" diameter, placed 1" below the roof

These dimensions provide ample space for a pair of birds and their nest, while the small entrance hole discourages larger birds, such as sparrows, from nesting.

2. Roof and Ventilation

The roof should have an overhang of at least 2" on all sides to protect the box from rain and predators. Adequate ventilation is essential to prevent overheating and condensation. Provide two 1/2" ventilation holes, one near the top of the front and one near the bottom of the back.

3. Entrance Hole

The size and placement of the entrance hole are critical. It should be large enough for bluebirds to enter and exit comfortably, but small enough to deter larger birds. Mount the entrance hole 1" below the roof to make it inaccessible to predators with longer beaks.

4. Perch

Adding a perch just below the entrance hole provides a convenient resting spot for bluebirds. The perch should be about 2 inches long and 1 inch wide, placed 1-2 inches below the hole.

5. Drainage Holes

Drainage holes in the bottom of the box allow for proper drainage of rainwater. Drill several 1/4" holes to prevent water from accumulating and potentially harming the birds.

6. Material and Construction

Choose durable materials that withstand outdoor conditions. Cedar, redwood, and cypress are popular options due to their weather resistance. Avoid treated lumber as the chemicals can be harmful to birds. Ensure the box is sturdy and well-built to protect the occupants.

7. Location and Monitoring

Mount the box in an area that offers protection from strong winds and direct sunlight. Choose a location visible from a window or other vantage point for monitoring. Face the entrance hole away from prevailing winds and predators. Inspect the box regularly for cracks, damage, and debris. Clean it thoroughly before each nesting season to provide a fresh and safe environment for the birds.