Cosumnes River Preserve Bird List
- Graphical checklist with species abundance by month.
- http://www.cosumnes.org/flora_fauna/Birds.pdf

Chico Birding
- Blog of birds seen in the Chico area arranged by season and location. Includes photos and directions to birdwatching sites.
- http://www.chicobirding.com

National Wildlife Refuge Bird Checklists
- Seasonal checklists for 36 refuges in California.
- http://www.npwrc.usgs.gov/resource/birds/chekbird/r1/6.htm

East Bay Nature
- Store with backyard birding tips and bird walks.
- http://www.eastbaynature.com/

Kern County Birding Localities
- Descriptions of dozens of the best local spots.
- http://natureali.org/birding.htm

Birds of Kern County, California: A Photo Checklist
- Complete checklist of 431 species, includes many photos.
- http://natureali.org/KC_BIRDS.htm

Kern Valley Turkey Vulture Festival
- Annual event held in fall. Field trips, workshops, crafts, sports, and research.
- http://www.audubon.org/local/sanctuary/kernriver/tvfest.htm

Mostly Birds
- A gallery of bird photographs, mostly from California, by Larry Selman of Santa Cruz.
- http://selman.com/birds/

Tehachapi Mountains Birding Club
- An independent birding club located in southern Sierras of California. Includes information on club meetings, field trips, local bird species, photos, and birding book reviews.
- http://www.tmbc.info/

California Bird Records Committee
- California bird lists, annual reports, and photo gallery.
- http://www.wfo-cbrc.org/cbrc/

Morro Bay Winter Bird Festival
- Annual event held in mid-January. Site includes program, registration, brochures, bird lists, and photos.
- http://www.morrobaybirdfestival.org/

Birds of Orange County, California
- Collection of annotated slides.
- http://mamba.bio.uci.edu/~pjbryant/biodiv/birds/

California Parrot Project
- Researching parrots in the wilds of California's suburban jungles. Identification guide and articles.
- http://natureali.org/parrot_project/Parrot_Project.html

Towhee.net
- Harry Fuller's site with information about birding San Francisco, notes on specialty birds, report on a big year in 1998, history of US ornithology, and European trip reports.
- http://www.towhee.net/

Monterey Birding Adventures
- Avid birder Rick Fournier leads bird trips for individuals or groups in Central California. Includes some bird photos.
- http://montereybirdingadventures.com/

Los Angeles County Natural History Museum - Ornithology
- Research and holdings.
- http://www.nhm.org/research/ornithology/

Klamath Basin National Wildlife Refuges Complex
- Official site of the Klamath Basin NWR, with visitor information, bird counts and sightings, tips for building blinds, and various areas for viewing.
- http://klamathbasinrefuges.fws.gov/

Aleutian Goose Festival
- Annual event held in March in Del Norte County.
- http://www.aleutiangoosefestival.org/

Russell Sipe's Birding Pages
- Photographic journal of the adventures of a rank beginner.
- http://www.sipe.com/birding/

Luke Cole's Birding Pages
- Photographs and discussion of rare birds in California and elsewhere in the western U.S.
- http://www.lukecole.com/Birds/Luke's%20birding%20page.htm

California Native Bird Gardening
- Information about common California birds and plants to attract them.
- http://www.laspilitas.com/California_birds/California_birds.html

Godwit Days
- Spring migration bird festival held in mid-April in Humboldt County.
- http://www.godwitdays.com/

Eastern Sierra Birds
- Recent sightings and photographs from Inyo and Mono counties plus site guides to 16 hotspots.
- http://esaudubon.org/birds/

California Partners in Flight
- Bird conservation projects.
- http://www.prbo.org/calpif/

California Hotspots
- Links to photographs and information about destinations, checklists of endemic and specialized species, rare bird alerts.
- http://www.camacdonald.com/birding/uscalifornia.htm

Audubon Canyon Ranch
- Preserve in Stinson Beach for the protection of nesting colonies of Great Egrets and Great Blue Herons. Volunteer and job opportunities, schedule of events, and publications.
- http://www.egret.org/

Central Valley Bird Club
- Focuses on studying and conserving native birds in central California. Includes meeting information, field trips, and lists of birds by county.
- http://www.cvbirds.org/

California Raptor Center
- Rehabilitation of injured and orphaned raptors.
- http://www.vetmed.ucdavis.edu/ars/raptor.htm

Cindy's Bird Pics
- Photos of California birds.
- http://members.cruzio.com/~cinful/indexbirds.html

Kern County Birding
- Brief site guides to dozens of the county's best birding spots.
- http://natureali.com/birding.htm

San Diego Field Ornithology
- Rare bird report archive and links.
- http://homepage.mac.com/aves/SanDiego.html

CA Birding Lists Digest
- Compilation of 24 different California birding e-mail lists, organized by date, region, and list. Messages are archived for 30 days.
- http://www.sialia.com/s/calists.pl

Wild Parrots of Telegraph Hill
- Information about a flock of feral parrots in San Francisco.
- http://pelicanmedia.org/wildparrots.html

Bird Friends Of Lake Murry and San Diego County
- Photos, sounds, and descriptions of local birds; brief descriptions of hot spots.
- http://www.bird-friends.com/

E-mail Groups for Birding in California
- Interactive map of the state with links to over 20 birding lists.
- http://fog.ccsf.cc.ca.us/~jmorlan/emailmap.htm

Venturacobirding
- E-mail discussion group for birding in Ventura County.
- http://groups.yahoo.com/group/venturacobirding/

Sierra-NevadaBirds
- Forum for discussing birding and birds of the Sierra Nevada.
- http://groups.yahoo.com/group/sierra-nevadabirds/

Central Valley Birds
- An e-mail list for discussing the birds of California's Central Valley.
- http://groups.yahoo.com/group/central_valley_birds/

SBCobirding
- E-mail discussion group devoted to sharing information about the birds of Santa Barbara County, its near shore waters, and the Channel Islands.
- http://groups.yahoo.com/group/sbcobirding/

Birding Break: Northern California (Bay Area)
- Virtual tour of popular northern Californian birding destinations: Cordell Bank, Palo Alto Baylands Preserve, and Monterey.
- http://www.virtualbirder.com/vbirder/onLoc/onLocDirs/BB_NCAL_01/

Birds of Prey
- Photos and information about raptors, Hawk Hill in Golden Gate NRA, Bay Area birds, and Point Reyes.
- http://www.buteo.com/

Orange County Birding
- Forum for the discussion of birding in Orange County, southern California. Message archive, files, and links.
- http://groups.yahoo.com/group/OrangeCountyBirding/

LACoBirds
- E-mail group for discussion of wild birds and birdwatching in Los Angeles County.
- http://groups.yahoo.com/group/LACoBirds/

Birds of Elkhorn Slough
- Checklist, sightings, Monterey Bay Bird Festival, and photographs.
- http://www.elkhornslough.org/birds1.htm

Wild On Wetlands Weekend
- Annual event held in March in the Central Valley near Los Banos.
- http://www.losbanos.com/wow.htm

Watchable Wildlife
- Department of Fish and Game site with viewing tips for magpies, raptors, cranes, herons and egrets, and nutcrackers.
- http://www.dfg.ca.gov/watchable/

Santa Cruz Predatory Bird Research Group
- Raptor conservation group with summaries of research projects, education programs, and news articles.
- http://www2.ucsc.edu/scpbrg/

Calbirds
- Archives and subscription management for the statewide e-mail group for birding in California.
- http://groups.yahoo.com/group/calbirds/

Marin County Birding
- Top 7 birding areas in Marin County.
- http://www.marintrails.com/birds.html

SLOCoBirding
- E-mail discussion group for San Luis Obispo County birds.
- http://groups.yahoo.com/group/slocobirding/

California Rare Bird Alerts
- Transcripts of 12 different RBAs in California.
- http://www.virtualbirder.com/vbirder/realbirds/rbas/ca.html

San Diego County Birds and Butterflies
- Rare bird alert, checklist, photo gallery, and links.
- http://sdbirds.basiclink.com/

Salton Sea International Bird Festival
- Annual event held in February in Imperial County.
- http://www.imperialcounty.com/birdfest/

Golden Gate Raptor Observatory
- Fall hawk watch near San Francisco.
- http://www.ggro.org/

Mono Lake Bird Sightings
- Recent sightings from the Mono Basin and nearby Eastern Sierra.
- http://www.monolake.org/birds/

Mary Scott's Birding California
- Travelogue of 16 California hot spots.
- http://www.birdingamerica.com/California/

SFBirds
- E-mail group for birding in San Francisco.
- http://groups.yahoo.com/group/SFBirds/

Shearwater Journeys
- Pelagic trips, reports, and photos.
- http://www.shearwaterjourneys.com/

Contra Costa County Breeding Bird Atlas
- Maps of breeding birds in Contra Costa County.
- http://www.flyingemu.com/ccosta/

East Bay Birders Circle
- Birding in Contra Costa and Alameda Counties in the San Francisco Bay area. EBbird mailing list info and archives, rare bird alerts, yard lists, essays, list of wildlife rehabilitators.
- http://folkbird.net/ebb/

Point Reyes Bird Observatory
- Bird conservation projects, programs, research, news, outings, newsletters, education and outreach, bird articles, and essays.
- http://www.prbo.org/

Peter LaTourrette's Bird Photo Gallery
- High quality bird photos, mostly taken at Stanford's Jasper Ridge Biological Preserve.
- http://www.stanford.edu/~petelat1/

San Francisco Birding and Beyond
- Identification quiz, pelagic survival tips, rare bird descriptions, and trip reports.
- http://home.pacbell.net/mweaton/Birding/Birding.html

Monterey County Birding
- Rarities with photos, identification problems, site guides for 4 prime birding areas, and top county birders.
- http://montereybay.com/creagrus/MTY.html

Ventana Wilderness Society
- Based in Carmel Valley. California Condor reintroduction notes, Bald Eagle release and monitoring, Big Sur Ornithology Lab, environmental education, and research.
- http://www.ventanaws.org/

Santa Cruz Bird Club
- Events, history, Monterey Bay Birders' e-mail group info, Central Coast Riparian Bird Conservation Project, Guide to Songs and Calls of Central Coast Birds, newsletter articles, local birding sites, bird reports, checklists, and gull ID.
- http://santacruzbirdclub.org/

Chanslor Wetlands Wildlife Project
- Preserve in Bodega Bay. Bird count results.
- http://www.sonomawetlands.org/

South Bay Birders Unlimited
- Santa Clara County year lists, maps, tide schedules, and links.
- http://www.stanford.edu/~kendric/birds/

San Francisco Bay Bird Observatory
- Programs, Palo Alto rail tides, photos, volunteer opportunities, newsletter articles, and activities.
- http://www.sfbbo.org/

Birds of the Imperial Valley
- Photos and tips for finding birds in the southeastern corner of California.
- http://www.imperial.cc.ca.us/birds/

Northern California BirdBox
- Rare bird alert, fall vagrant bird totals, and list of contributors.
- http://home.sprintmail.com/~awiner/