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MDAS Field Trip — Tomales Bay State Park

Heart's Desire Beach Hearts Desire Beach, Inverness, CA, United States

Tomales Bay State Park Saturday, March 26, 8:30 AM-1 PM Leader: Linda Shinn, 925-597-0234 A popular site for birding along Tomales Bay, including a hike from Heart's Desire Beach to Indian Beach.  We return uphll around the wet meadow behind Indian Beach. Some water fowl, forest birds and Osprey are possible. Rating: Category 2-Moderate Elevation change: Moderate […]

$8

MDAS Field Trip — Orinda Connector Trail

Orinda Connector trail VQXQ+XR, Orinda, CA, United States

Orinda Connector Trail Wednesday, March 30, 8 AM-11 AM Leader: Don Lewis, 925-284-2906 Meet: Trail head at Camino Pablo and Bear Creek Road A walk through an EBMUD property requires a trail permit, if you have one bring it with you.  We walk downhill to San Pablo Creek, then toward the face of Briones Dam.  […]

MDAS Field Trip — North Briones

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

North Briones Tuesday April 5, 8:30 - Noon Leader: Cheryl Abel, 925-957-6229 This walk begins in oak woodlands with lots of spring wildflowers and birds. We then continue through grasslands ending at Sindicich Lagoons. We return the way we came with about 3 miles round trip. Bring liquids & a snack if you wish. Rating: Category […]

Free

Monthly Program: April 2022

Zoom CA, United States

Main Program: Cooperation and conflict in the communal world of the Acorn Woodpecker Walt Koenig Acorn Woodpecker, best known for their unique habit of storing acorns by the thousands in special structures known as “granaries”, exhibit one of the most complex social systems of any bird. Family groups of this species, sometimes numbering a dozen […]

MDAS Field Trip — Black Diamond Mines

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

Black Diamond Mines Tuesday, April 12, 8 AM to 1 PM Leader: Hugh Harvey, 925-935-2979 A serious walk up through the Canyon Wren habitat.  Other woodland and grassland birds are possible.  Tricky footing through the wren's rocky habitat, and no guarantees on finding it.  Some spring flowers may still be in bloom.  Bring liquids and […]

MDAS Field Trip — Pine Canyon

Diablo Foothills Regional Park Trailhead Parking 1700 Castle Rock Rd, Walnut Creek

Pine Canyon Tuesday, April 19, 8 AM to 1 PM Leader Tracy Farrington, 925-788-6223 Pine Canyon, which includes the Castle Rock EBRPD recreational area, and the Diablo Foothills Regional Park just beyond, provides rich habitat and resources for spring migrants passing through, as well as for many returning and nesting summer residents. We should expect […]

MDAS Field Trip — Del Puerto Canyon

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

Del Puerto Canyon Monday, April 25, 9 AM to 4 PM Leader: Beth Branthaver, 510-502-4869 This is an all day trip requiring an early start to meet at the lower end of Del Puerto Canyon Road near Patterson off I-5.  We will drive through the canyon, starting in grasslands, then riparian, chaparral and oak savanna […]

MDAS Field Trip — Mitchell Canyon

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

Mitchell Canyon Thursday, April 28, 8 AM to 1 PM Leader: Sandy Ritchie, 925-685-8048 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 should still be blooming. Rating: Category 3, hot, dusty trail, 3+ miles Elevation […]

$6

MDAS Field Trip — East Contra Costa County

Marsh Creek Regional Trail Trailhead X8R3+9H, Oakley, CA, United States

East Contra Costa County Saturday, April 30, 7 AM to 1 PM Leader: Randy Huey, 925-518-8439 This is a trip which often can be very hot by the finish. We will walk part of the Marsh Creek Trail, and then visit Piper Slough north of Bethel Island. Other locations are possible. Target birds include: Blue […]

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 rangeland ecosystems and valley oak and riparian habitat. We'll be looking for spring migrants (Warblers and Western Tanager), Bullock’s Oriole, and possible nesting Warbling and […]

Free

Monthly Program: May 2022

Zoom CA, United States

Main Program: Soundscapes to Landscapes Dr. Leo Salas and David Leland The 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 is often incomplete and limited to few and small areas. Join us to learn how Soundscapes to Landscapes […]

MDAS Field Trip — West Briones Regional Park

Bear Creek Staging Area Briones Bear Creek Staging Area, 16 Bear Creek Rd, Lafayette, CA, United States

West Briones Regional Park Monday, May 9, 8 AM to 1 PM Leader: Mike Marchiano, 925-372-6328 A visit to the west entrance of Briones Regional Park in the spring offers views of spring wildflowers and spring birds. Lazuli Buntings are usually present, often the first viewings of the year for most of us. Bring water […]

Monthly Program: June 2022

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

Birding Information: Local Birds from MDAS Photo Contests Krista Vossekuil, MDAS Education Chair Krista Vossekuil will share some of the photos from the MDAS Photo Contests! Check out all the amazing entries and enjoy pictures of some of our incredible local birds. Bullock's Orioles, Morgan Territory, photo by Jerry Britten Main Program: Emperors of the Ice: […]

MDAS Field Trip — Outer Point Reyes

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

Outer Point Reyes Saturday, June 4, 8:30 AM to 3 PM Leaders:  Hugh Harvey and Beth Branthaver This is a trip to see some spring birds, and visit some of the migrant traps.  We will stop at the lighthouse overlook and spend some time above the fish docks.  Bring water and lunch. Rating: Category 1 -- […]

MDAS Field Trip — Yuba Pass (2-day outing)

Yuba Pass Yuba Pass, Yuba Pass Road, Calpine, CA, United States

Yuba Pass Saturday-Sunday, June 11-12, 7 AM Saturday to 1 PM Sunday Leaders: Hugh and Rosita Harvey This is always a productive and well-favored weekend trip to the northern Sierra which requires driving and walking, some of it over rough terrain. Saturday we will bird in the Sierra Valley for basin birds.  Sunday we will […]

13th Annual Martinez Beaver Festival

Susana Park Estudillo St. & Susana St., Martinez, CA

Come show your support for urban beavers and visit the Mt. Diablo Audubon Society booth and other favorite nature organizations at the 13th annual Martinez Beaver Festival.

MDAS Field Trip — Bodega Bay

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

Bodega Bay Saturday, August 20, 9 AM to 3 PM Leader:  Hugh Harvey, 925-935-2979 The last trip of our field trip calendar, but sometimes considered the first trip for fall birding.  At Bodega Bay are flocks of shorebirds including Black Oystercatcher, Wandering Tattler, Marbled Godwit, as well as tern, gulls, cormorants, near-shore pelagics and more.  […]

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, Red-breasted and Pygmy Nuthatch, Pacific Wren, and maybe an early Varied Thrush. Hike Rating:  Category 1 - Easy Elevation change:  slight Leader:  Matt Tarlach, 925-482-6129 […]

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 other projects to help birds and wildlife in our community. Be inspired by their hard work and ingenuity! Main Program: A Gallop Through the Galapagos […]

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 system in Contra Costa County.  It was set aside for two plants and a butterfly; Contra Costa Wallflower, Antioch Dunes Evening Primrose and Lang's Metalmark […]