Few states show more dramatic contrasts in their environment than Washington. Elevations range from sea level to over 14,000 feet. Precipitation varies from over 200 inches annually on the Olympic Peninsula, nurturing a temperate rain forest and mountaintop glaciers, to a mere six inches in parts of the Columbia Basin, where near-desert conditions prevail. Between these extremes, an array of aquatic and terrestrial communities supports a remarkable diversity of bird species. This revised version of A Birder's Guide to Washington brings current the 2003 first edition, and, in the process, adds...