Washington Ornithological Society (WOS) provides a forum for birders throughout the state to meet and share information on bird identification, biology, population status, and birding sites. They also publish A Birder’s Guide to Washington.
BirdWeb – Seattle Audubon’s Guide to the Birds of Washington State
eBird – Create your own real-time, online checklist at any location in the world or just in your backyard. Launched in 2002 by the Cornell Lab of Ornithology and National Audubon Society.
Birder’s Dashboard – A website that provides an easy way to search for bird species or location based on eBird inputs.
Westport Seabirds – Provides boat tours to search for pelagic birds.