Become a Member of Mt. Diablo Audubon Society

Mt. Diablo Audubon Society (a chapter of The National Audubon Society) is a private 501(c)(3) non-profit organization dedicated to protecting the well being of our community’s people, birds, other wildlfe, and habitat through conservation, education and advocacy. MDAS members are serving our community by:

  • Supporting the No Child Left Inside Program through school-based educational programs
  • Offering field trips each year in the greater Bay Area and beyond.
  • Conducting two Contra Costa County Christmas Bird Counts.
  • Maintaining the EBB Sightings web site for reporting local occurences of unusual birds.
  • Working with the East Bay Regional Park District and Mt.View Sanitary District at McNabney Marsh to improve habitat for wildlife.
  • Publishing the Contra Costa Breeding Bird Atlas.

Annual membership in Mt. Diablo Audubon Society provides:

  • Subscription to the Quail newsletter which contains information and announcements on programs, field trips, local issues, and bird sightings.
  • Ten monthly membership meetings with guest speakers on a variety of topics from Acorn Woodpeckers to Zone-tailed Hawks.
  • Birding field trips for beginner, intermediate, and advanced levels.
  • Opportunities to volunteer for various environmental projects and events.
  • Advocacy for local conservation issues.

Membership Options

There are several different membership levels. The yearly membership is $25 annually or you can become a life member for a total of $500. Payment for a life membership can be made in two annual payments of $250 each. For an additional $20, you can join the National Audubon Society and receive the Audubon Magazine (6 bi-monthly issues). MDAS does not share information about our members with any other group or organization.

All MDAS Membership dues fund our local projects. Direct any questions regarding membership to MDAS Membership Chair.

$25 Annual
$250 Lifetime Installment 1
$500 Lifetime (paid in full)
$20 National Audubon Society Membership (NAS)
(National Audubon memberships include 4 issues of Aububon Magazine)

Click here to apply for a Mt. Diablo Audubon Society Membership or Membership Subscription

Purchase by Mail

Click to print the Mt. Diablo Audubon Society Membership Application Form, make your check payable to MDAS, and mail both to:

Mt. Diablo Audubon Society
Attn: Membership Chair

PO Box 21625
Concord, CA 94521

MDAS Chapter Links

Upcoming Events

Oct 05

MDAS Field Trip — Elsie Roemer Bird Sanctuary

OCTOBER 5 @ 9:00 AM - 1:00 PM

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 will give us excellent opportunities to study these birds at close range. We may drive to other nearby locations for additional birding. Hike Rating:  Category 1 – Easy […]

Oct 06

Monthly Program: October 2022

OCTOBER 6 @ 7:00 PM - 9:00 PM

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 California Native Plants Eddie Bartley and Noreen Weeden You can have a beautiful native plant garden that attracts amazing birds, butterflies and other wildlife. Learn […]

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 […]

Oct 15

MDAS Field Trip — Five Brooks & Bear Valley

OCTOBER 15 @ 9:00 AM - 1:00 PM

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 the windswept dunes. Five Brooks is a reliable location for California Quail. All sorts of interesting birds show up around the pond at Five Brooks: […]