Environment
- 861
 - 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.
 
- 862
 - Buena Vista Audubon Society
 - Based in Oceanside, San Diego County. Information about the BVAS Nature Center, bird census data, and events.
 
- 863
 - Conejo Valley Audubon Society
 - Serves southeastern Ventura County and northwestern Los Angeles County. Events and birding in Ventura County.
 
- 864
 - 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.
 
- 865
 - Kern River Preserve
 - Events, projects, and birding information for Audubon California's preserve in Weldon.
 
- 866
 - Kerncrest Audubon Society
 - Based in Ridgecrest. Events, newsletters, Indian Wells Valley bird sightings, and bird checklist.
 
- 868
 - Madrone Audubon Society
 - Serves Sonoma County. Events, birding in the North Bay, newsletters, kids' section, bird quiz, and action alerts.
 
- 870
 - Mendocino Coast Audubon Society
 - Field trips, meetings, educational and conservation projects, FAQ, bird sightings, Mendocino birding listserv, and bird and butterfly checklists.
 
- 873
 - Pasadena Audubon Society
 - News, meetings, conservation issues and projects, field trips, and birding in Pasadena.
 
- 874
 - Peregrine Audubon Society
 - Based in Ukiah. Programs, field trips, bird sightings, and Mendocino County Bird Checklist.
 
- 875
 - Pomona Valley Audubon Society
 - News, events, newsletter articles, backyard birding, and local birding spots.
 
- 876
 - Redwood Region Audubon Society
 - Based in Eureka. News, newsletter articles, bird sightings, and birding hotspots.
 
