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  • MDAS/SMD Field Trip—Curry Canyon

    Curry Canyon Ranch

    Join us on a flat hike through Curry Canyon, Save Mount Diablo's signature property on the eastern slope of Mount Diablo. We will look for some lingering fall migrants, early-arriving […]

    Free

  • MDAS Field Trip—Elsie Roemer Bird Sanctuary

    Elsie Roemer Bird Sanctuary Shore Line Drive, Broadway, Alameda, CA, United States

    Elsie Roemer Bird Sanctuary.  A visit to the Alameda shoreline as the tide rises should produce good views of shorebirds. A viewing platform and trails will give us excellent opportunities […]

    Free

  • Fall Rarities: Searching For The Unexpected (Session 2)

    Online and Field Trip

    Instructor: Alex Henry For Bay Area birders, finding rarities in the fall is part of the fun. Our location on the edge of the Pacific Americas Flyway brings many species […]

    $40

  • Monthly Program: October 2021

    Zoom CA, United States

    Main Program: Twenty Seasons of Nest Box Monitoring Lee Pauser As a volunteer, Lee Pauser has been building, installing, and monitoring nest boxes (a nest box is an artificial cavity) […]

  • Birding at Olompali State Historic Park

    Olompali State Historic Park 8901 Redwood Blvd, Novato, CA, United States

    It’s always an exciting time to birdwatch at Olompali State Historic Park! October can bring fall surprises. This year, with the fires in the northern part of the state, Olompali Park […]

    Free

  • Shorebird Identification with Bob Lewis

    Online

    Shorebirds flock to the Bay Area in the fall. Many are coming from their breeding sites in the Arctic, others from the prairies. They take advantage of the rich food […]

    Free

  • Birding For Fledglings

    Online and Field Trip

    Instructor: Dawn Lemoine 6 sessions on Wednesdays and Saturdays Venue: Zoom plus field trips If you’re ready to dip your wingtips into the world of birds, the Birding for Fledglings class […]

    $150

  • First Annual Berkeley Bird Festival

    Berkeley Bird Festival Berkeley, CA, United States

    On Sunday, October 17, Bay Area residents are invited to enjoy the first annual Berkeley Bird Festival, a free community event organized by Golden Gate Audubon and the California Institute […]

    Free

  • Bringing Back the Burrowing Owl

    Online

    Once thriving in the East Bay, the Burrowing Owl has been forced to move inland and the consequences for many have been fatal. Conducting long-term research on these colonies, Shawn […]

    Free

  • Winter Sparrows Workshop 2021 – Day 1

    Online

    Workshop Dates: Nov 1 & 3, 2021 6:00pm – 8:00pm $100 total per person for both sessions This workshop will be a basis to identify the wintering sparrows in California, […]

    $100

  • Raptors In Winter

    Online and Field Trip

    Instructor: Maureen Lahiff, With Anne Ardillo on Field Trips 3 sessions on Tuesdays and Saturdays Venue: Zoom plus field trips Year-round resident hawks, falcons, and eagles of the greater Bay Area […]

    $75

  • Winter Sparrows Workshop 2021 – Day 2

    Online

    Workshop Dates: Nov 1 & 3, 2021 6:00pm – 8:00pm $100 total per person for both sessions This workshop will be a basis to identify the wintering sparrows in California, […]

    $100

  • Monthly Program: November 2021

    Zoom CA, United States

    Birding Info: Cabin Lake Bird Blinds Photos Jerry Britten, MDAS President MDAS President Jerry Britten will share some photos he has taken at the Cabin Lake Bird Blinds in Central Oregon. […]

  • The Falconer – An Online Film Screening

    Online

    Join 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 […]

    Free

  • MDAS Field Trip—Charleston Slough

    Charleston Slough Mountain View, CA, United States

    We 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 […]

    Free

  • WOW Presents: Mount Diablo State Park Centennial

    Online

    Rising 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 […]

    Free

  • Climate and Birds in California

    Online

    North 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 […]

    Free

  • MDAS Field Trip—Mt. View Sanitary/McNabney Marsh

    Mountain View Sanitary District 3800 Arthur Rd, Martinez, CA, United States

    We 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 […]

    Free