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  • Contra Costa Large Day

    Saturday January 4, Predawn to Dusk Spend the first Saturday of the New Year on an all-day birding trip that will visit several different habitats spread across Contra Costa County. […]

  • MDBA Field Trip — Putah Creek

    Putah Creek Road 3836 Putah Creek Rd, Winters, CA, United States

    This is a great chance to see a variety of birds and ducks along Putah Creek and Lake Solano. Possible species include Osprey, Lewis's Woodpecker, Phainopepla, Barrow's Goldeneye and Hooded […]

    Free

  • MDBA Field Trip — Marin: Las Gallinas and Shollenberger Park

    Las Gallinas Ponds Las Gallinas Valley birding loop, Smith Ranch Rd, San Rafael, CA

    Both of these locations are great for wintering waders, shorebirds, waterfowl and raptors. Bring lunch and a beverage, as both sites take time to bird and there is a drive […]

  • MDBA Field Trip — Bridgeway Island Pond, West Sacramento

    McDonald's West Sacramento 2244 Lake Washington Blvd., West Sacramento, CA

    New Trip! This is a birding hotspot. We can hope for close views of an assortment of waterfowl and shorebirds. Blue-winged Teal.,American Avocet, Cinnamon Teal, and Sora have often been […]

    Free
  • Featured

    Monthly Program: February 2025

    The Camellia Room at The Gardens at Heather Farm 1540 Marchbanks Drive, Walnut Creek, CA, United States

    Mandarin Duck. Photo by Jill Hedgecock In Nature and Imaginations: Birds and Art in Central Europe Jill Hedgecock Mount Diablo Bird Alliance will meet Thursday, February 6 in the Camellia […]

  • MDBA Field Trip — Thornton Area/Cosumnes Preserve

    Westgate Landing Regional Park 4GF5+HP, Terminous, CA, United States

    Tundra Swans, Sandhill Cranes, hawks and grassland birds. Trip will go on in light rain. Bring lunch and a beverage. If questions, call the leader. Hike rating: 1 - Easy. […]

    Free

  • MDBA Field Trip — Big Break and East County

    Big Break Regional Shoreline 69 Big Break Road, Oakley, CA, United States

    We will be birding at Big Break/Delta Science Center and then driving to at least one other location, to be determined by conditions. These locations are usually good for waterfowl, […]

    Free

  • MDBA Field Trip — Bodega Bay

    Tides Restaurant Bodega Bay 835Bay Highway, Bodega Bay, CA, United States

    Why do we go all the way to Bodega Bay? To see loons close up – the Common, Pacific, and Red-throated species are all likely. To see Brant, the sea […]

    Free

  • MDBA Field Trip — Walnut Creek Local City Parks

    Heather Farm Park 301 N San Carlos Dr, Walnut Creek, CA, United States

    Starting in Heather Farm Park in Walnut Creek, we will walk around the large, mostly natural pond, birding along the way. From there we will drive to two or three […]

    Free

  • MDBA Field Trip — Valle Vista

    Valle Vista RVC6+WQ, Moraga, CA, United States

    A walk through various habitats at the EBMUD property usually allows to see at least 40-50 species. Bring your EBMUD trail pass, if you have one. This property is at […]

  • Featured

    Monthly Program: March 2025

    The Camellia Room at The Gardens at Heather Farm 1540 Marchbanks Drive, Walnut Creek, CA, United States

    Juvenile Osprey KEEP ‘EM FLYING — Helping Raptors Survive in the Human Environment  Craig Nikitas   Mount Diablo Bird Alliance will meet Thursday, March 6 in the Camellia Room at […]

  • MDBA Field Trip — Moorhen + McNabney Marshes

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

    Two trips this month! Mt. View Sanitary District has offered MDBA special access for a Saturday visit. Both trips will be open to the public, and are very suitable for […]

    Free

  • MDBA Field Trip — Moorhen + McNabney Marshes

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

    Two trips this month! Mt. View Sanitary District has offered MDBA special access for a Saturday visit. Both trips will be open to the public, and are very suitable for […]

    Free

  • MDBA Field Trip — Contra Loma Regional Park

    Contra Loma Reservoir 1200 Frederickson Ln, Antioch, CA, United States

    We will be birding the reservoir, Loma Island and surrounding grassland areas. Expected species include waterfowl, woodland, riparian/marsh, shore and grassland birds. Dress appropriately, bring lunch and drinks. Rating: Category […]

  • Featured

    Monthly Program: April 2025

    The Camellia Room at The Gardens at Heather Farm 1540 Marchbanks Drive, Walnut Creek, CA, United States

    Birds of Prey Live Animal Presentation Lindsay Wildlife Experience   Mount Diablo Bird Alliance will meet Thursday, April 3 in the Camellia Room at the Gardens at Heather Farm, 1540 […]

  • MDBA Field Trip — North Briones

    Briones Regional Park (North) XV37+VX, Martinez, CA, United States

    This walk begins in oak woodlands with lots of spring wildflowers and birds. We then continue up through grasslands, ending at Sindicich Lagoons. We return the way we came, with […]

    Free

  • MDBA Field Trip — Black Diamond Mines

    Black Diamond Mines Regional Preserve X45P+PP, Antioch, CA, United States

    This trip includes a steep climb up a rocky trail with an elevation gain of several hundred feet. Why make the climb? Because the location offers the best chance in […]

  • MDBA Field Trip — Mitchell Canyon

    Mitchell Canyon 96 Mitchell Canyon Road, Clayton, CA, United States

    We will walk into Mitchell Canyon on the lower slopes of Mount Diablo State Park. Many spring birds are possible here: warblers, hummingbirds, flycatchers, gnatcatchers and more. Spring flowers will […]

    $6

  • MDBA Field Trip — Del Puerto Canyon

    Del Puerto Canyon Rd & Diablo Grande Pkwy Del Puerto Canyon Rd, Patterson, CA, United States

    As we drive along Del Puerto Canyon, on the east side of the Diablo Range, we'll be looking for Canyon Wren, Costa’ s Hummingbird, Greater Roadrunner, and other goodies. It […]