The roof should extend over each side and the front and should be placed at a slight angle. This will allow rainwater to shed off the box and prevent it from getting inside through the entrance hole. Holes in the floor will allow water from the inside to drain. Ventilation holes in the sidewalls will prevent over-heating by allowing proper air circulation. Predators Do not build perches on the box.
Perches give predatory birds easier access to the eggs and young in the box.
Height and spacing Be sure to attach your nest box securely to a post, tree or under the eaves of your house. Maintenance You can clean your next boxes each spring to prevent the spread of avian diseases. Height from ground M Min.