Written and illustrated by David Allen Sibley, America's most widely respected bird illustrator and ornithologist, this FoldingGuide offers instant access to just what backyard birdwatchers need to know. 64 backyard birds are covered, including descriptions, size, range, seasonal occurrence, and illustrations, all taken from the award-winning The Sibley Guide to Birds, 2nd Edition,. The Pacific Northwest region includes coastal Oregon, Washington, and British Columbia.