White painted roof for a better temperature control inside the house.
Steel predator guard to prevent predators from enlarging the entrance.
Water drainage system at the base
Made of high quality cedar wood
Includes a 2x3.54" Noel Guard as an additional protection against predators
1 9/16" entrance hole that is suitable for all 3 Bluebird species
12.30" height x 7.5" lenght x 5.66" width
15 square inches floor surface.
Vent holes drilled at an upward angle will prevent rain water from entering the Bluebird box. Take into account that these can be plugged during exceptional cold or wet weather to protect your birds from extreme cold.
Kerfs will act as a ladder for nestlings to reach the entrance hole when they are ready.
Dog ears at each corner will facilitate water drainage and air circulation. This is important to prevent moisture and improve Bluebird comfort inside the box.