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

Sep 22

Advanced Beginning Birding – Morning Lectures

SEPTEMBER 22 @ 10:30 AM - 12:00 PM

Instructor: Anne Hoff 5 sessions on Wednesdays and Sundays Venue: Zoom plus field trips Did the Covid lockdown spark or renew your interest in birding? Want to move beyond being able to tell a robin from a jay and be able to sort out the sparrows? Moved across the country and finding new birds? Or maybe you’re […]

Sep 22

Advanced Beginning Birding – Evening Lectures

SEPTEMBER 22 @ 10:30 AM - 12:00 PM

Instructor: Anne Hoff 5 sessions on Wednesdays and Sundays Venue: Zoom plus field trips Did the Covid lockdown spark or renew your interest in birding? Want to move beyond being able to tell a robin from a jay and be able to sort out the sparrows? Moved across the country and finding new birds? Or maybe you’re […]

Sep 28

Feathered Hunters—Identifying Raptors with Bob Lewis

SEPTEMBER 28 @ 6:00 PM - 7:00 PM

Raptors include hawks, falcons, eagles, vultures, and owls. They are efficient hunters, catching a variety of prey from small mammals and birds to snakes and large insects, using razor-sharp talons. Although identification may seem a bit difficult at first, with a little experience it is possible to identify many raptors in flight as well as […]

Sep 30

Avian Adventures In The Bay Area

SEPTEMBER 30 @ 6:00 PM - 7:30 PM

Instructor: Miya Lucas And Wendy Beers 6 sessions on Thursdays and weekends Venue: Zoom plus field trips Fall is an avian wonder in the Bay Area. Our location on the Pacific Flyway brings many migrants through as they head south for the winter.  This class will introduce you to some of these visitors, both their visual field […]