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Bird Houses & Nesting Box

Bird Houses & Nesting Box Woodworking Plan for Eastern Bluebirds

Suitable Nestbox Size: ~ 9 – 10 ” inches high x 6.5 wide x 7″ deep. Mount about 4 to 6 feet high on a metal pole. No perches at the entrance holes as they would aid predators.

Floor Dimensions: about 4″ x 4″.

Red and Yellow Bird Houses Bird Houses & Nesting Box
Red and Yellow Bird Houses Bird Houses & Nesting Box

Material to be used: Red Cedar (more durable than other wood material), rough cut boards or exterior-grade plywood at least 1/2″ thick. Unpainted. Ventilation openings in the floor and under the roof. Although some experts disagree with the notion that ventilation openings are needed at all. Please refer to this article for further information. This may also depend on location of nest box, exposure to direct sun as well as material used to build the nest box.

Entrance Hole: About 1.5 in diameter to keep the larger birds out, about 7 inches above the floor.

Roof: Hinged, secured with shutter hooks. Sloped down, overlapping on the sides and the front reduces exposure to rain and makes it more difficult for predators to get to the chicks or eggs.

Hardware: Best to use corrosion resistant, stainless steel and dichromate plated screws

Predator Guard: An inverted metal cone attached below the nextbox will provide some protection against predators.

Bird Houses & Nesting Box on a Tree
Bird Houses & Nesting Box on a Tree

Position:

Affix nest box to posts with partial sun and shade. The entrance hole in particular should be protected from the elements as much as possible. The perfect area for bluebirds would be open woodlands, fields and farmlands with scattered trees. If you choose to set up several Blue Bird boxes, place them about 100 yards apart.

Position nest far enough from roads, paths or trails to minimize disturbance.

Take nest box down after each breeding season, and repair and sanitize before reusing.

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