In this updated edition of their best-selling field guide, renowned bird experts Tom Aversa, Richard Cannings, and Hal Opperman illuminate the key identification traits, vocalizations, seasonal statuses, habitat preferences, and feeding behaviors of bird species from British Columbia to southern Oregon. Compact full-page accounts feature maps and more than 900 color photographs by the region's top bird photographers, comprehensive revisions to taxonomic structure and sequencing of avian families to align with the most current print and online resources, territorial range covers much of British Columbia, all of Washington, Oregon, and Idaho, and parts of western Montana and Wyoming, spanning a vast, distinctive region rich in protected wildlands and iconic national parks, birds of the pacific northwest is a superlative, complete resource for enjoying the many bird species found in the region.