Western Bluebird Ultimate Bluebird House

The Ultimate Bluebird Nesting Box. Comes with two brass hinged doors, one on each side. The left side has opens easily for cleanout. The right side has a plexiglass window which allows you to monitor the nest without the danger of chicks falling out. A wood predator protector with a solid copper plate screwed to it prevents squirrels and woodpeckers from enlarging the hole or getting inside. An elevated mesh floor helps to protects young chicks from Blowflies. Made of cedar using Zinc Chromate plated screws for a sturdy, long lasting house. 1 9/16 opening.