Recent postings from all California birding listservers are collected at http://www.sialia.com/s/calists.pl
East Bay Birds Alameda & Contra Costa Counties. http://folkbird.net/ebb/
North Bay Birds Sonoma, Marin, Napa, Lake, & Solano Counties. http://groups.yahoo.com/group/northbaybirds/
Peninsula Birding San Mateo County. http://groups.yahoo.com/group/peninsula-birding/
San Francisco Birds San Francisco County. http://groups.yahoo.com/group/sfbirds/
South Bay Birders Santa Clara County. http://www.stanford.edu/~kendric/birds/
CalBird This list appears to be defunct. General discussions of California birding and major sightings anywhere in the state. http://calbird.kiwi.net/
Calbirds Discussions of birds and birding in California. http://groups.yahoo.com/group/Calbirds
BirdWest Transcriptions of Rare Bird Alert hotlines from Alberta to New Mexico and along the West Coast. (You can select particular hotlines if you wish.) http://listserv.arizona.edu/archives/birdwest.html
AZ-NM Chat Arizona and New Mexico. http://www-stat.wharton.upenn.edu/~siler/AZNM.html & http://www.americanbirding.org/resources/reschat.htm
NVbirds Nevada. http://list.audubon.org/archives/nvbirds.html
Oregon Birders On Line (OBOL) http://www.cyber-dyne.com/~lb/obol.html
Tweeters Washington state and British Columbia. http://www.scn.org/earth/tweeters/
BirdChat General discussions of birding and sightings of national importance. http://listserv.arizona.edu/archives/birdchat.html
Central Sierra Birds Alpine, Calaveras, Mariposa, & Tuolumne Counties, Stanislaus National Forest & Yosemite National Park. http://groups.yahoo.com/group/central-sierra-birds/
Central Valley Birds Central Valley Bird Club discussions. http://groups.yahoo.com/group/central_valley_birds/
MendoBirds Mendocino County. http://groups.yahoo.com/group/mendobirds/
Monterey Bay Birds (MBB) http://www.virtualbirder.com/bmail/mbb/
NWCalBird Humboldt, Del Norte & Trinity Counties. http://groups.yahoo.com/group/nwcalbird/
SJBirds San Joaquin County. http://groups.yahoo.com/group/sjbirds/
Sierra Nevada Birds (Mtn-birds) http://groups.yahoo.com/group/sierra-nevadabirds/
STA_Birds Stanislaus County. http://groups.yahoo.com/group/sta_birds/
Inland County Birds Riverside, San Bernardino, & Imperial Counties. http://groups.yahoo.com/group/inlandcountybirds/
LACoBirds Los Angeles County. http://groups.yahoo.com/group/lacobirds/
Orange County Birding Orange County. http://groups.yahoo.com/group/orangecountybirding/
Pasadena Audubon Pasadena area. http://groups.yahoo.com/group/pasadenaaudubon/
SBCoBirding Santa Barbara County, Channel Islands, offshore waters. http://groups.yahoo.com/group/sbcobirding/
SDBirds San Diego & Imperial Counties, northern Baja California. http://groups.yahoo.com/group/sdbirds/
SLOCoBirding San Luis Obispo County. http://groups.yahoo.com/group/slocobirding/
VenturaCoBirding Ventura County. http://groups.yahoo.com/group/venturacobirding/
ABA Birder Resources: Lists America. http://www.americanbirding.org/resources/reschat.htm
Bird Links to the World: Mailing Lists http://www.bsc-eoc.org/links/links4.html
Listservs: Birding on the Internet (Roger Tory Peterson Institute) http://www.thayerbirding.com/listserv.htm
Thanks to Mike Feighner for his extensive help with this page.