Birdhouses should be placed in fall or winter, if possible. Swallows may use nest boxes set out during late May or early June, but owls, chickadees, and woodpeckers begin looking for nest sites during February, March and April. Always face the birdhouse so the entrance is protected from prevailing winds. Kestrel nest boxes should be placed at the edge of a forest area or on a post in an open area 12┰ feet above the ground.
Provide ventilation. Drill small holes ƑǞ to 1ǚ_inch diameter) through each side of the birdhouse just below the roof. This will provide better air circulation. Do NOT add perches. Perches allow predatory birds (like jays, magpies, ravens, and crows) better access to the eggs and young in a nest box. In contrast, cavity_nesting birds rarely use perches and prefer cavities without perches.