Sites:
| Altacal Audubon Society: Serves Butte, Glenn, and Tehama counties in northern California. Newsletters, trip reports, and links. | | Audubon California: Work in California to conserve and restore natural ecosystems, focusing on birds, other wildlife, and their habitats for the benefit of humanity and the earth's biological diversity. | | Buena Vista Audubon Society: Based in Oceanside, San Diego County. Information about the BVAS Nature Center, bird census data, and events. | | Conejo Valley Audubon Society: Serves southeastern Ventura County and northwestern Los Angeles County. Events and birding in Ventura County. | | Eastern Sierra Audubon Society: Based in Bishop. Programs, field trips, newsletter, and birding information. | | El Dorado Audubon Society: Based in Long Beach. Events, field trips, programs, and projects. | | Fresno Audubon Society: Field trips, meetings, bird checklist, birding sites, and San Joaquin Valley rare bird report. | | Golden Gate Audubon Society: Serves San Francisco, Alameda, and Contra Costa counties. Conservation issues, bird sightings, field trips, programs and projects, and other chapter news. | | Kern River Preserve: Events, projects, and birding information for Audubon California's preserve in Weldon. | | Kerncrest Audubon Society: Based in Ridgecrest. Events, newsletters, Indian Wells Valley bird sightings, and bird checklist. | | Los Angeles Audubon Society: Programs, field trips, bird checklist, projects, and bookstore. | | Madrone Audubon Society: Serves Sonoma County. Events, birding in the North Bay, newsletters, kids' section, bird quiz, and action alerts. | | Marin Audubon Society: News and events, conservation issues, gift shop, and bird sightings. | | Mendocino Coast Audubon Society: Field trips, meetings, educational and conservation projects, FAQ, bird sightings, Mendocino birding listserv, and bird and butterfly checklists. | | Monterey Peninsula Audubon Society: Events, programs, and newsletter. | | Morro Coast Audubon Society: Serves western San Luis Obispo County. | | Ohlone Audubon Society: Serves southern Alameda County. Events, newsletters, butterfly and hummingbird gardening, and conservation issues. | | Palomar Audubon Society: Serves inland north San Diego County. Programs, field trips, and news. | | Palos Verdes/South Bay Audubon Society: Serves Palos Verdes Peninsula area near Los Angeles. Newsletters, events, and programs. | | Pasadena Audubon Society: News, meetings, conservation issues and projects, field trips, and birding in Pasadena. | | Peregrine Audubon Society: Based in Ukiah. Programs, field trips, bird sightings, and Mendocino County Bird Checklist. | | Pomona Valley Audubon Society: News, events, newsletter articles, backyard birding, and local birding spots. | | Redwood Region Audubon Society: Based in Eureka. News, newsletter articles, bird sightings, and birding hotspots. | | Sacramento Audubon Society: Conservation issues, field trips, news and events, bird sightings, Sacramento Bird Records Committee reports, and section on the Bobelaine Audubon Sanctuary. | | San Bernardino Valley Audubon Society: Events calendar, trip reports, and birding sites. | | San Diego Audubon Society: Field trips and section on the Silverwood Wildlife Sanctuary. | | San Fernando Valley Audubon Society: Meetings, field trips, news, and birding locations. | | San Joaquin Audubon Society: Field trips, bird checklist, and bird sightings. | | Santa Barbara Audubon Society: Education and conservation projects, field trips, programs and events, and volunteer opportunities. | | Santa Clara Valley Audubon Society: Based in Cupertino. Meetings, field trips, conservation and educational projects, newsletter articles, and photography section. | | Santa Monica Bay Audubon Society: Newsletters, events calendar, Salton Sea conservation, humor, and the Central Coast Birding Trail. | | Sea and Sage Audubon Society: Serves Orange County. Meetings, events, field trips, conservation issues, birding in Orange County, nature slides, bird counts, educational projects, San Joaquin Wildlife Sanctuary, Audubon House, and Nature Shop. | | Sequoia Audubon Society: Serves San Mateo County. Meetings, field trips, and events. | | Southern California Audubon Information: Clearing house for information about birding and other Audubon programs in southern California. | | Stanislaus Audubon Society: Covers Stanislaus and Merced Counties. Includes bird sightings, where to bird, field trips, and rare bird records. | | Starr Ranch Sanctuary: A 4000 acre preserve in Orange County. Programs, jobs and volunteer opportunities, checklists, history, photo album, and videos. | | Tulare County Audubon Society: Programs, field trips, newsletters, bird sightings, birding locations, and conservation issues. | | Whittier Audubon Society: Field trips and programs. | | Yolo Audubon Society: Based in Davis. Programs, field trips, newsletter articles, and birding locations. |
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