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

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 […]