Designed to be the most functional and bird-friendly bluebird house on the market today, the Ultimate Bluebird House is approved by the North American Bluebird Society and enjoyed by birds nationwide!
Designed to allow nest-viewing, protection from predators and blowflies, and easy cleaning, this house is the premier destination for bluebirds everywhere.
1.5" entrance hole. Built with recycled poly-lumber that is guaranteed to never crack, split, or fade.