Bird watchers
The unCommon Marin Birdwatcher, seen here in its winter plumage, often gathers in flocks at the sides of local ponds around Marin County. Photo Maggie Rufo

Field Trips

Marin Audubon Field Trips are open to the public. Bring lunch, field guide, and binoculars.

Information & Questions:
Phone: 559-760-1551

Currently scheduled upcoming field trips are listed here by date in ascending order (i.e., soonest first). For a complete list of all past and currently scheduled field trips click here.

Birding in Marin Third Saturday Field Trip Series:  Jim White and Bob Battagin have graciously offered to lead a trip for Marin Audubon on the third Saturday of every month for 12 months. These trips are included in the list below. Click here for the complete list.

iNaturalist Workshop
Location: Richardson Bay Audubon Center, Tiburon, CA
Trip Leader(s): Todd Plummer
Host: Jane Medley,, 559-760-1551
Start Date: Saturday, June 10, 2017
Start Time: 10:00 AM
End Time: 12:00 PM
Description: Ever wish there were an app like eBird for all the other living things in the world? There is! You are invited to a two-hour workshop from 10 AM to noon on June 10 at the Richardson Bay Audubon Center to learn about iNaturalist - a species identification system and tool to record when and where you observe organisms (birds, plants, fish, anything!). You can use it to record your own observations, get help with identifications, collaborate with others for a common purpose, or access the observational data collected by other users. Naturalist Todd Plummer (username: WildMarin) will lead the workshop. He has been using and teaching workshops on iNaturalist since 2013 – and he says it has changed his life. By using iNaturalist as Todd has, you may find yourself paying more attention to biodiversity all around you while contributing to a global, open-source database of species distributions – valuable information for conservationists and researchers around the world. Read more at the link below. This workshop is limited to the first 20 people to sign up. Contact Jane Medley at to register. Please include your name and phone number. Be sure to create your own iNaturalist account at, and download the app on your mobile device (if you wish to use it) before arriving for the workshop so we can get right into the fun stuff. The fee for this workshop will be $5 for Marin Audubon members and $10 for non-members, payable at the door. If you are not already a MAS member, we invite you to join at this event. We will meet in the Audubon Center classroom where Marin Audubon monthly Speaker Series programs are held.
Link: http://

Birding on Alcatraz -- Marin Audubon Members Only
Location: Alcatraz Island
Trip Leader(s): Waterbirds Docent Karen Vandergrift
Host: Jane Medley,, 559-760-1551
Start Date: Wednesday, June 14, 2017
Start Time: 8:45 AM
End Time: 3:00 PM
Description: This trip is for Marin Audubon members only. If you are not yet a member of the Marin Chapter, you can join online, under "JOIN" on the home page. It's the best-kept birding secret in the Bay Area: Alcatraz is one of the most important waterbird nesting sites in northern California, with nine species breeding on the island -- only not pelicans. So where, really, does the name "Alcatraz" come from? (Hint; It's not what you've been told.) And what is the "Alcatraz penguin?" On this trip, Alcatraz Waterbirds Docent and certified California Naturalist Karen Vandergrift will take a fun and informative look before and beyond the prison culture to focus on the natural history of the island and the variety of birds and their life histories. We'll see the birds up close on their nests, parents feeding chicks, territorial displays, and discuss the general ecology of the region's waterbird populations. This is an excellent opportunity for photographers with many birds only a few feet away. And we'll have access to parts of the Alcatraz gardens not generally open to the public. This will be an easy, slow-paced excursion. Dress in layers and comfortable walking shoes (pavement is often uneven). Bring binoculars and water; snacks are allowed only on the Dock area of the island. The trip will be limited to 25 participants with a discounted cost of $25.25 per person for the round-trip boat ride. We will depart from Pier 33 on the 8:45 AM boat. The tour will end in the early afternoon. However, after the tour, participants may continue to explore the island and the prison returning on the boat of their choice. To sign up, register online at the link below, starting on May 15. BOOK YOUR SPACE ON MAY 15 OR SOON THEREAFTER AS OUR BOAT TRIPS FREQUENTLY SELL OUT ON THE FIRST DAY! Include the name, email address, and phone number of each participant. Those confirmed on the trip will be sent additional information as the trip date approaches. For further information or to be placed on a waiting list for this trip, contact Jane Medley at

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