"The Tall Texan" Free birdhouse plans - this plan is called the Tall Texan because of its height, and because its roof is painted similar to a Texas flag. Of course, you don't have to paint the roof at all. from http://www.mycarpentry.com/
Making Birdhouses by Gladstone Califf This practical guide for building birdhouses contains plans for more than fifty attractive and useful structures — from a one-room house for bluebirds to a forty-two-room structure for purple martins. In addition to instructions and diagrams for constructing houses for such avian varieties as robins, wrens and chickadees.