Birding

Birding Trips

Mt. Diablo Audubon offers over 45 field trips annually for birders of all levels. In a recent year, birders helped to identify 260 species. From an overnight stay in Mt. Lassen to an easygoing amble around Contra Loma Reservoir, chances are we have a trip that’s right for you.

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Young Birders

Are you 9-17 years old (or a parent of someone this age)? Want to get outside and see new places? Want to meet people your age who like birds and nature? Join the Mt. Diablo Audubon Society Young Birders Club!

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Grayson Creek Birders

Do you like the idea of birding that serves a larger purpose? Would you enjoy revisiting local sites regularly to see how bird populations shift through seasons and evolve over time? Join the Grayson Creek Birders team.

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East Bay Birding Email Groups

Mt. Diablo Audubon sponsors two East Bay Birding email groups: East Bay Birding-Sightings, which reports the sightings of migrating and unusual birds in Contra Costa and Alameda counties, and the companion East Bay Birding-Discussion, which is for talking about birding topics of a more general nature on the east side of the San Francisco Bay Area.

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Birding Resources

Find copies of local birding checklists, order the Breeding Bird Atlas, get guidance on what to do with an injured bird, and access other information related to birding.

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Upcoming Field Trips

Sep 30

MDAS Field Trip — Outer Point Reyes

SEPTEMBER 30 @ 8:30 AM - 2:30 PM

Outer Point Reyes is a wonderful place for fall migrants, many of them Eastern passerine vagrants. You never know who’ll turn up…sightings in past years have included Blackburnians and Blackpolls; Chestnut-sided, Connecticut, Black-and-white, Magnolia, Prothonotary, Yellow-throated, and Black-throated Blues…and that’s just the warblers. We’ve also seen Yellow-green, Red-eyed and White-eyed Vireos, Orchard Orioles, Ovenbirds, American […]

Inverness CA

Oct 07

MDAS Field Trip — Birding by Bike at Clifton Court Forebay

OCTOBER 7 @ 7:30 AM - 1:30 PM

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 do an out-and-back biking/birding trip of approximately 10 miles on a flat, paved levee road, to see a myriad of bird species. Those who are equipped for it can also navigate […]

Discovery Bay CA

Oct 21

MDAS Field Trip — Elsie Roemer Bird Sanctuary/Crab Cove, Alameda

OCTOBER 21 @ 1:00 PM - 5:00 PM

The millions of shorebirds that winter on San Francisco Bay make it a state and global Important Bird Area. It is part of the Western Hemisphere Shorebird Reserve Network and is also designated as a Wetland of International Importance under UNESCO’s Ramsar Convention. We’ll start at the viewing platform at Elsie Roemer Bird Sanctuary, which […]

Alameda CA

Oct 26

MDAS Field Trip — Lodi Lake & Woodbridge Preserve

OCTOBER 26 @ 9:00 AM - 1:30 PM

We’ll bird first at Lodi Lake and its riparian area alongside the Mokelumne River. Plan to see waterfowl and many bird species including Woodpeckers, White-breasted Nuthatch, Cedar Waxwing, Herons, Warblers and Wood Duck. (We’ve had Varied Thrush in the past but cannot guarantee!) From Lodi Lake we’ll move on to Woodbridge Ecological Preserve, where we’ll […]

Lodi CA

Nov 04

MDAS Field Trip — Palo Alto Baylands/Charleston Slough

NOVEMBER 4 @ 9:00 AM - 2:00 PM

We see a variety of birds on the water on this trip, that is only about a 55 minute drive from Walnut Creek. It is exciting to be on the largest tract of undisturbed marshland remaining in the San Francisco Bay. Locations include Charleston Slough, Shoreline Lake, Palo Alto Baylands, and Redwood Shores. Hike Rating: […]

Mountain View CA