This page contains links outside Washington State University which provide an option for finding further information. No endorsement of products or information at these sites is implied.
Washington Department of Fish and Wildlife Backyard Wildlife Sanctuary Program
Has great section on various nest boxes and much more!
Backyard Wildlife – Bird Houses and Shelves
Ron J. Johnson, Extension Wildlife Specialist, University of Nebraska and Jeanine L. Lackey, Extension Assistant
Principles for Creating a Backyard Wildlife Habitat
University of Maine Cooperative Extension Bulletin #7132
Planning a Backyard Wildlife Habitat
University of Maine Cooperative Extension Bulletin #7133
Bird house dimensions suggested by “Wild Birds Forever”
Also includes information on the habits of several common birds.
Building Nest Structures, Feeders, and Photo Blinds for North Dakota Wildlife
By Chris Grondahl and John Dockter. Plans for a variety of bird houses & feeders. Also house plans for bats and a few other mammals.
(Some information in these links may not be suitable for Western Washington. Check with your local WSU Extension office if you have any questions.)
Compiled by: Dave Pehling
Snohomish County Extension Analyst (links updated 06/08/15)