Make a Donation

Your donation to Mt. Diablo Audubon Society is an investment in the future of native birds, wildlife, and the environment of Contra Costa County. Donations are tax-deductible, as allowed by law. Mt. Diablo Audubon Society’s Federal Tax ID (EIN) is 23-7089801. MDAS does not share information about our donors with any other group or organization.

Donation Levels:
 

    • $5 – $24 California Towhee
    • $25 – $99 California Quail
    • $100 – $249 California Thrasher
    • $250 – $999 California Gnatcatcher
    • $1000 – Up California Condor

Donate Online

Online payments are processed using PayPal because it is secure and widely trusted. You do not need to have a PayPal account if you use a major credit card.




Donate by Check

Make your tax-deductable check payable to MDAS and mail to:

Steve Buffi
Treasurer
1564 Pyrenees Place
Walnut Creek, CA 94598

Mt. Diablo Audubon Society Donation Forms to download and print.

Other Ways to Support MDAS

Register at Wild Birds Unlimited in Pleasant Hill, and owner Michael Eliot will donate 5 percent of your purchases to MDAS. You may also go to smile.amazon.com and designate “MT Diablo Audubon Society” as your charity of choice to direct .05 percent of eligible purchases to our group.

Upcoming Events

Jun 04

MDAS Field Trip — Outer Point Reyes

JUNE 4 @ 8:30 AM - 3:00 PM

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 — […]

Jun 11

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

JUNE 11 @ 7:00 AM - JUNE 12 @ 1:00 PM

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 […]

Aug 20

MDAS Field Trip — Bodega Bay

AUGUST 20 @ 9:00 AM - 3:00 PM

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.  […]

Oct 08

MDAS/SMD Field Trip—Curry Canyon

OCTOBER 8 @ 8:00 AM - 12:00 PM

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 fall migrants, arriving wintering birds, and raptors. You might even see a golden […]