The Heath Heavy Duty Cedar Bluebird House is constructed of durable cedar for weather-resistance and longevity. This unique bluebird house features a tilting side that easily opens to allow you to quickly view or clean the inside. The 1½" entrance hole should be faced away from the direction of storms and is sized perfectly for bluebirds, so they will feel right at home. Pole-mount the Heavy Duty Cedar Bluebird House 5-6 feet high in open area with scattered trees, ensuring that any neighboring bird houses are at least 200 feet away to prevent territorial disputes. Provide this tough home as a safe-haven for bluebirds against predators and the elements so they may peacefully begin and raise their families.