Why add an owls nest box?
Even generally less territorial species might perform a dive bomb maneuver if they think their nest is threatened.
For larger owls, like barn owls, the opening should be about seven inches square.
Smaller owls can use an opening as small as four inches square.
you could adjust your measurements as needed for smaller owl species, just by scaling everything down accordingly.
For a barn owl, the back panel should measure 38 inches by 18 inches.
Cut two sides, measuring 38 inches by 12 inches plus the thickness of the boards.
This allows for the overlap of the side pieces with the back panel.
Cut a piece for the front that is 38 inches tall by 19 inches wide.
Use a jigsaw to cut out the hole.
Assemble your owls nest box
Next, assemble your pieces.
If you dont want to attach the front while the box is in place, you could usehanging hardwareinstead.
Keep a brush pile that can help attract a source of prey.
Keep outdoor lighting to a minimum at night.
