The Falconer – An Online Film Screening
OnlineJoin Peninsula Open Space Trust for a special free online screening of “The Falconer” in honor of the Fall Raptor Migration Season! The event is free but registration is required. Guests who […]
MDAS Field Trip—Charleston Slough
Charleston Slough Mountain View, CA, United StatesWe see a variety of birds on the water on this trip. Locations might include Charleston Slough, Shoreline Lake, Palo Alto Baylands, Alviso and Redwood Shores. This hike is limited […]
WOW Presents: Mount Diablo State Park Centennial
OnlineRising almost 4,000 feet from the valleys of Contra Costa County, Mount Diablo is one of the most recognized geologic features of the San Francisco Bay Area. This year, Mount […]
Cruise w/ Dolphin Charters – Birds of the San Francisco & San Pablo Bay
Berkeley Marina 201 University Ave, Berkeley, CA, United StatesSan Francisco Bay, the largest and one of the most important estuaries along the Pacific Flyway, is right in our own backyard. Join us as we cruise from Berkeley toward […]
Climate and Birds in California
OnlineNorth America’s bird populations have declined by approximately 3 billion birds since 1970 and two-thirds of North America’s bird species now face an even greater risk of extinction due to […]
MDAS Field Trip—Mt. View Sanitary/McNabney Marsh
Mountain View Sanitary District 3800 Arthur Rd, Martinez, CA, United StatesWe expect to see a variety of water birds here, from grebes and ducks, to waders and peeps. Marsh passerines and raptors might also be present. This hike is limited […]
Recent Tech Advancements And Bird In Flight Photography – The Good, The Bad, And The Ugly
OnlineBurrowing owl flight with dove Photo: Rob Bielefeld This presentation will focus on recent advancements in camera and lens technology. From sensors, to IBIS, to AF, advancements have made at […]
Monthly Program: December 2021
Zoom CA, United StatesBirding Info: Pine Canyon's Peregrines Peregrine Team Members of the Peregrine Team will share a video synopsis of the Pine Canyon peregrines' historic and memorable year, taken directly from the […]
MDAS Field Trip—Sacramento/Colusa National Wildlife Refuges
Sacramento/Colusa National Wildlife Refuges Dunnigan Northbound Rest Area I-5 North of Dunnigan, Dunnigan, United StatesSacramento/Colusa National Wildlife Refuges Saturday, December 4, 8:15 AM-5 PM Leader: Beth Branthaver, 510-502-4869 All the migratory birds will have arrived for the duration of the winter and we expect […]
MDAS Field Trip—American Canyon Wetlands
American Canyon Wetlands Edge Park 2 Eucalyptus Drive, American Canyon, CA, United StatesAmerican Canyon Wetlands Monday, December 6, 9 AM-Noon Leaders: Chris & Teri Wills, 925-408-5364 A walk out to the wetlands, ponds and sloughs along the Napa River produces many exciting […]
Yurok Condor Restoration Program
Zoom CA, United StatesThe potential return of North America's largest bird to the Pacific Northwest is something to celebrate! Bringing back the California Condor isn't just an opportunity for restoration and rewilding, but […]
Soundscapes to Landscapes – Audio Bird Monitoring
OnlineThe earth’s biodiversity and associated ecosystem services are in a severe state of decline due to human pressure. However, our knowledge of these changes and impacts on human society is […]
2021 East County Christmas Bird Count
Hold the date for the 20th annual East Contra Costa County Christmas Bird Count! Species and total numbers of birds within this count circle will be censused. To participate in field trips […]
2021 Central County Christmas Bird Count
Hold the date for the Central Contra Costa County Christmas Bird Count, a tradition going back to 1955! Species and total numbers of birds within this count circle will be censused. To […]
Down For the Count: Exploring Bird Diversity at Point Reyes
Point Reyes National Seashore - Bear Valley Visitors Center 1 Bear Valley Visitor Center Access Road, Point Reyes Station, CA, United StatesFor fifty years the Point Reyes Christmas Bird Count (CBC) has been an annual tradition monitoring the winter populations of over two hundred species of birds here. Point Reyes National […]
MDAS Field Trip—Lake Merritt and Arrowhead Marsh–High Tide
Lake Merritt 699 Bellevue Ave, Oakland, CA, United StatesLake Merritt and Arrowhead Marsh--High Tide Monday January 3, 8:30 AM-1 PM Leader: Sandy Ritchie, 925-685-8048 Winter ducks on Lake Merritt and other birds usually means easy viewing from the […]
Monthly Program: January 2022
Zoom CA, United StatesBirding Info: Highlights Of The 2021 Christmas Bird Counts Jerry Britten Mt. Diablo Audubon Society President Jerry Britten will report highlights of the 2021 Christmas Bird Counts. Main Program: Audible […]
MDAS Field Trip—East Contra Costa County
Big Break Regional Shoreline 69 Big Break Road, Oakley, CA, United StatesEast Contra Costa County Wednesday, January 12, 9 AM-1 PM Leader: Paul Schorr, 925-988-0070 We will be birding at Big Break/Delta Science Center, Iron House Sanitary, and possibly other places […]
MDAS Field Trip—Shollenberger Park/Ellis Creek
Shollenberger Park 1400 Cader Lane, Petaluma, CA, United StatesShollenberger Park/Ellis Creek Saturday, January 15, 8:30-2 PM Leader: Sandy Ritchie, 925-685-8048 Both of these locations are great for wintering waders, shorebirds, waterfowl and a few raptors. Bring lunch and […]
MDAS Field Trip—Martinez Waterfront Birds
Waterbird Regional Preserve, Martinez 2701 Waterfront Rd., Martinez, CA, United StatesMartinez Waterfront Birds Tuesday, January 25, 9 AM-2 PM Leader: Tracy Farrington, 925-788-6223 We will be birding waterfront areas in the Martinez area, looking for shorebirds, waders, waterfowl, gulls, raptors […]