North America
- 102
- 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.
- 104
- 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.
- 106
- Luke Cole's Birding Pages
- Photographs and discussion of rare birds in California and elsewhere in the western U.S.
- 107
- Mitch Heindel's Miscellaneous Matters
- Southern California pelagic and other photos; pelagic trip schedule; photo quizzes; and checklists for Ken Malloy Harbor Regional Park, Wilmington Drain, and Banning Park.
- 109
- Monterey Birding Adventures
- Avid birder Rick Fournier leads bird trips for individuals or groups in Central California. Includes some bird photos.
- 110
- Morro Bay Winter Bird Festival
- Annual event held in mid-January. Program, registration, brochures, bird lists, and photos.
- 111
- San Francisco Bay Area birds and nature blog
- Frequently updated posts focusing on birds and nature in or around the San Francisco Bay Area.
- 112
- San Francisco Bay Bird Observatory
- Programs, Palo Alto rail tides, photos, volunteer opportunities, newsletter articles, and activities.
- 113
- 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.
- 117
- 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.
- 118
- Ventana Wilderness Society
- Based in Carmel Valley. California Condor reintroduction notes, Bald Eagle release and monitoring, Big Sur Ornithology Lab, environmental education, and research.