Tahoma Audubon Society
- Serves Pierce County.
- http://www.tahomaaudubon.org

Olympic Peninsula Audubon Society
- Serves Clallam County. Meetings, field trips, projects, and local birding.
- http://www.olympicpeninsulaaudubon.org/

Vancouver Audubon Society
- Chapter events and Clark County birding guide.
- http://vancouveraudubon.org/

Willapa Hills Audubon Society
- Serves southwestern Washington. Chapter news and events, birding areas, wildlife sightings, photos, and information about the geology of the area.
- http://www.willapahillsaudubon.org/

Kitsap Audubon Society
- Poulsbo area meetings, field trips, sightings, projects, and bird checklist.
- http://www.kitsapaudubon.org/

Yakima Valley Audubon Society
- Chapter events, bird count results, and bird tips.
- http://www.yakimaaudubon.org/

Palouse Audubon Society
- Serves the Palouse region of North Central Idaho and Eastern Washington. Local birding hotspots.
- http://www.palouseaudubon.org/

Skagit Audubon Society
- Chapter events, birding locations, sightings, and bird checklist.
- http://www.fidalgo.net/~audubon/

Rainier Audubon Society
- Serves South King County. Newsletters, programs, and Birdwatching in South King County.
- http://www.rainieraudubon.org/

Central Basin Audubon Society
- Serves central Washington's Columbia River Basin. Chapter and local birding information.
- http://www.cbas.org/

Seattle Audubon Society
- Society and conservation information and events.
- http://www.seattleaudubon.org/

Audubon-Washington
- Extensive site detailing the state office's work in protecting wildlife habitats. Includes sections on Audubon Centers, Important Bird Areas, and Birdwatching in Washington State.
- http://wa.audubon.org/