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  • MDAS Field Trip — Jewel Lake

    Jewel Lake, Tilden Nature Area, California 600 Canon Dr, Berkeley, CA 94708, Berkeley, CA, United States

    Jewel Lake, Tilden Nature Area, Berkeley Thursday September 1, 7:30am - 11:30am A short walk along Wildcat Creek and around Jewel Lake in Tilden Park. Possible highlights include fall warblers, […]

    Free

  • Monthly Program: September 2022

    Lakeside Room of the Heather Farm Community Center at Heather Farm 301 N. San Carlos Drive, Walnut Creek, CA, United States

    Birding Information: Eagle Scout Nest Box Projects Georgette Howington, Nest box monitor for the California Bluebird Recovery Program Georgette Howington will introduce several Eagle Scouts who completed Nest Box and […]

  • Antioch Dunes National Wildlife Refuge

    Antioch Dunes National Wildlife Refuge 2683+CH, Antioch, CA

    Antioch Dunes National Wildlife Refuge--Docent-led public tour Saturday, September 10, 10 AM to 11 AM MDAS Coordinator:  Hugh Harvey Antioch Dunes is the only unit of the National Wildlife Refuge […]

  • MDAS Field Trip — Vaux’s Swifts at McNear Brickyard

    McNear Brickyard 1 McNear Brickyard Rd., San Rafael, CA

    Vaux's Swifts at McNear Brickyard Thursday, September 15, 5 PM to dark Leader: Hugh and Rosita Harvey, 925-935-2979 Every fall when Vaux's Swifts fly to Central and northern South America, […]

    Free

  • MDAS Field Trip — Frank’s Dump

    Hayward Regional Shoreline 3010 W. Winton Ave, Hayward, CA, United States

    Hayward Regional Shoreline - Frank's Dump Saturday September 17, 2:30pm - 5:30pm We will meet at the very end of Winton Ave, walk out to the Bay Trail and head north. […]

    Free

  • MDAS Field Trip — Birding by Bike at Clifton Court Forebay

    Clifton Court Forebay Clifton Court Rd., Discovery Bay, CA

    Birding by Bike at Clifton Court Forebay Saturday September 24, 2022, 7:30am-1:30pm Have a bicycle, e-bike or scooter, and like to bird? Join MDAS at Clifton Court Reservoir in eastern Contra Costa County, where we will […]

    Free

  • MDAS Field Trip — Outer Point Reyes

    Bear Valley Visitor Center 25RX+CV, Inverness, CA, United States

    Outer Point Reyes, Marin coast Saturday October 1, 8:30am - 1pm The Outer Point Reyes area is a wonderful place to find fall migrants, many of them Eastern passerine vagrants. […]

    Free

  • MDAS Field Trip — Elsie Roemer Bird Sanctuary

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

    Elsie Roemer Bird Sanctuary, Alameda Wednesday October 5, 9am - 1pm A visit to the Alameda shoreline as the tide rises should produce good views of shorebirds. A viewing platform and trails […]

    Free

  • Monthly Program: October 2022

    Zoom CA, United States

    Birding Information: MDAS President Jerry Britten will present highlights of his summer Alaskan birding trip to the High Arctic Tundra and the Anchorage area. Main Program: Gardening for Birds with […]

  • MDAS/SMD Field Trip—Curry Canyon

    Curry Canyon Ranch

    Mount Diablo Audubon Society and Save Mount Diablo are partnering up for a hike on Save Mount Diablo's gorgeous Curry Canyon Ranch. This portion of Curry Canyon Ranch showcases beautiful […]

    Free

  • MDAS Field Trip — Five Brooks & Bear Valley

    Five Brooks Trailhead 8001 California 1, Bolinas, CA, United States

    Five Brooks/Bear Valley, West Marin County Saturday October 15, 9:00am - 1pm This trip visits two inland areas near Point Reyes, environments of trees and meadows that are miles from […]

    Free

  • Monthly Program: November 2022

    Zoom CA, United States

    Birding Information: Mt. Diablo Audubon Society is way ahead of a lot of other bird conservation groups. We help birds where they live year round, not just where we see them […]

  • MDAS Field Trip — Palo Alto Baylands/Charleston Slough

    Terminal Boulevard Terminal Boulevard, Mountain View, CA, United States

    Palo Alto Baylands/Charleston Slough Saturday November 5, 8:30am - 2pm We see a variety of birds on the water on this trip. Locations might include Charleston Slough, Shoreline Lake, Palo […]

    Free

  • MDAS Field Trip — Shadow Cliffs Regional Park

    Shadow Cliffs Regional Recreation Area 2500 Stanley Blvd, Pleasanton, CA, United States

    Shadow Cliffs Regional Park Tuesday, November 15, 8:15am - Noon Expect to see a good variety of different birds. In years past Bald Eagles, Osprey, Herons, Kingfishers, various ducks; Owls, […]

  • MDAS Field Trip — MVSD – McNabney & Moorhen Marshes

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

    MVSD - McNabney and Moorhen Marshes Tuesday, November 22, 9am - Noon We expect to see a variety of water birds here, from grebes and ducks to waders and peeps. […]

    Free

  • Monthly Program: December 2022

    McHale Room of the Pleasant Hill Community Center 320 Civic Drive, Pleasant Hill, United States

    Birding Information: The Race to Bring Northern White Rhinos Back from the Brink of Extinction Jill Hedgecock Northern white rhinos were deemed functionally extinct in March 2018 after the death […]

  • MDAS Field Trip — Sacramento & Colusa National Wildlife Refuges

    Sacramento/Colusa National Wildlife Refuges Dunnigan Northbound Rest Area I-5 North of Dunnigan, Dunnigan, United States

    Sacramento & Colusa National Wildlife Refuges Saturday, December 3, 8:15 AM-5 PM Sacramento and Colusa National Wildlife Refuges are premier locations to see massive flocks of Snow and White-fronted Geese […]

    Free

  • A Day with Richard Crossley

    Wild Birds Unlimited, Pleasant Hill 692 Contra Costa Blvd, Pleasant Hill, CA, United States

    A DAY WITH RICHARD CROSSLEY Wild Birds Unlimited of Pleasant Hill is pleased to present, A Day with Richard Crossley on Sunday, December 4, 2022. Please join us at the […]

  • MDAS Field Trip — American Canyon Wetlands

    American Canyon Wetlands Edge Park 2 Eucalyptus Drive, American Canyon, CA, United States

    American Canyon Wetlands Thursday, December 8, 8AM-Noon A walk out to the wetlands, ponds and sloughs along the Napa River produces many exciting birding opportunities. We expect plenty of waterfowl, […]

    Free