Birding Locations in Oregon A well organized register of birding hotspots in Oregon; includes the GPS coordinates and a list of expected species for each location. A great resource for anyone birding c. or e. Oregon.
Oregon Coast Birding Trails Co-sponsored by the Oregon Coast Visitors Association & U.S. Fish and Wildlife Service; includes high-quality (printable) documents of birding locations from the north coast of Oregon, south to the California Redwoods.
Tim Blount's HarneyBirder.com An outstanding blog about birding in Harney County!
Dawn Villaescusa's TillamookBirder.com Doing for Tillamook Count as Tim Blount does for Harney County!
Pacific Northwest eBird Portal Content-focused for birders of the Pacific Northwest
Not A Location Guide - but very handy if you want to stay out of trouble Oregon Public Lands zoom in on any spot then mouse over the area and the ownership information pops up.
The Oregon Birding Association also maintains the largest email listserve (community forum) in Oregon.