With urban parks, waterways, open spaces, the bayshore, mudflats and foothills, the San Jose count is home to a lot of birds.

The Oakland count circle extends from Treasure Island northeast to the San Pablo Reservoir in Contra Costa County, and south to St. Mary’s College in Moraga and the Oakland International Airport.

Join this nationwide bird survey in partnership with the Ohlone Audubon Society to witness and record winter bird populations.

Palo Alto Count Circle - The Palo Alto CBC covers an area ranging from the Bay to the Santa Cruz Mountains, including habitats ranging from baylands, to suburbia and city parks, to foothills.

The count circle for the Palo Alto CBC extends from the Bay to the Santa Cruz Mountains, with four regions in each of Santa Clara and San Mateo counties.

The Benicia Christmas Bird Count (CBC) has a long and interesting history. The purpose of this page is to provide a quick summary of this count and to provide a convenient map of the count circle, as well as links to more detailed information.

Point Reyes CBC covering West Marin including Tomales Bay and the Point Reyes National Seashore.

The 2025 Point Reyes Christmas Bird Count is on Saturday, December 20th 2025, and we will be doing the compilation dinner at the Dance Palace again!

Calero-Morgan Hill Count Circle - The Calero-Morgan Hill count in south Santa Clara County extends across the valley to foothills in both the Coast and Diablo ranges.

Hosted by Marin Audubon.

The 2025 Point Reyes Christmas Bird Count is on Saturday, December 20th 2025, and we will be doing the compilation dinner at the Dance Palace again!

The San Francisco count circ includes the north tower of the Golden Gate Bridge and all of San Francisco, and reaches down the peninsula to San Bruno Mountain and the wetlands north of the San Francisco International Airport.

Mount Hamilton Count Circle - Henry Coe State Park… Lick Observatory… San Antonio Valley Road… Black Mountain… sometimes—snow!

The Richmond count circle covers Richmond and adjacent areas including Point Pinole, Point Molate, and the Miller-Knox Shoreline.