Ridgefield National Wildlife Refuge Complex - Five refuges in southwestern Washington, with guide to wildlife viewing areas, seasonal bird checklist, events, and programs. - http://www.fws.gov/ridgefieldrefuges/
Washington Breeding Bird Atlas - Maps for all species found during 1987-1995 survey. - http://depts.washington.edu/natmap/
Bird Checklists - Seasonal checklists for 36 refuges in Washington. - http://www.npwrc.usgs.gov/resource/birds/chekbird/r1/53.htm
University of Puget Sound: Bird Biodiversity - Dennis Paulson's site with annotated checklist of Washington birds, photograph gallery, and identification of Pacific Northwest gulls. - http://www.ups.edu/x5658.xml
Eastern Washington Bird Pictures and Songs - Photos, recordings, and descriptions of birds inhabiting the shrub-steppe and Ponderosa pine belt. - http://www.bentler.us/eastern-washington/animals/birds/
Birding Totem Lake, Kirkland - Birding information and checklist for 27 acre wetland near Seattle. - http://www.birdercentral.com/
BirdWeb - From the Seattle Audobon Society, a guide including species of special concern, rarities, and a searchable database of birds. - http://www.birdweb.org/birdweb/
Kimsey Fowler's Birding Pages - Chestnut-backed Chickadee nestbox study, notes on building birdhouses, birding Attu and the Pribilofs, personal life-list, and Spotted Owl photos. - http://kimsey.stonepics.com/birding.htm
Westport Seabirds - Information about pelagic trips from Westport, trip reports, and pelagic bird photo gallery. - http://www.westportseabirds.com/
Birds of the Pacific Northwest - Photos of birds and mammals taken around the Pacific Northwest by Christine Vadai of Mill Creek, WA. - http://www.christinevadai.com/
Leavenworth Spring Bird Fest - Information about this weekend event held in mid-May. - http://www.leavenworthspringbirdfest.com/
Washington Hotspots - Local events, tours, rare bird alerts, print resources, and a map of birding hotspots. - http://www.camacdonald.com/birding/uswashington.htm
Mary Scott's Birding Washington - Travelogue, with photos, of 13 sites in Washington. - http://www.birdingamerica.com/Washington/
Falcon Research Group - Newsletter and notes on Peregrine Falcons breeding in downtown Seattle and NW Washington. - http://frg.org/frg/
Washington Ornithological Society - Meetings, field trips, checklists, publications, photo gallery, rare bird alert, and sightings requests. - http://www.wos.org/