Events Calendar
Events
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Triangle Marsh Volunteer Work Day
Triangle Marsh Triangle Marsh, Corte Madera, United StatesDate: Every first Saturday of the month from 10:00 - 1:00 Directions: From the Paradise Drive exit on Highway 101 go 1.5 miles south of The Village Shopping Center on Paradise Drive. Triangle Marsh is between Golden Hind Passage and the Marin Montessori School. Google Map Please fill out the Volunteer Sign Up Form HERE If you are under the age of 18 please fill, sign, and bring to the event the Minor Waiver HERE Join Marin Audubon Society Property Coordinators for seasonal tasks to maintain and improve habitat for birds and other wildlife at Triangle Marsh. This 31-acre property, acquired in 1999, is located on Paradise Drive across from the Ring Mountain Preserve in Corte Madera. The property consisted of ancient tidal marsh (habitat for the endangered California Ridgeway’s Rail), intertidal baylands (habitat for migratory waterfowl and shorebirds), and uplands, most of which was created by the placement of fill when Paradise Drive was constructed. Rain cancels our work days. For questions please reach out to the Volunteer Coordinator or the Property Coordinator Bob Hinz at .
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The San Francisco Bay State of the Birds
Learn how the SF Bay State of the Birds tracks bird trends as a sign of habitat health. Because birds tend to be sensitive to habitat changes and respond quickly, they are great indicators of overall habitat health. The SF Bay State of the Birds website reveals timely insights that guide restoration and management across San Francisco Bay. Built for land managers, funders, scientists, and community leaders, it delivers frequent updates to advance conservation goals.
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Corte Madera Marsh Ecological Reserve (CMMERE) Volunteer Work Day
Corte Madera Ecological Reserve (CMER) CA, United StatesDate: Every second Saturday of the month from 10:00 - 1:00 Directions: Take the Redwood Highway Frontage Road north past the World Market Shopping Plaza. Turn right onto Industrial Way and access the site through the gate which is open on work days. Google Map Please fill out the Volunteer Sign Up Form HERE If you are under the age of 18 please fill, sign, and bring to the event the Minor Waiver HERE Join Marin Audubon Society Property Coordinators for seasonal tasks to maintain and improve habitat for birds and other wildlife at the Corte Madera Marsh Ecological Reserve. The importance of this 5 acre portion of the marsh stems from its location, bounded on three sides by the California Department of Fish and Wildlife’s Corte Madera Ecological Reserve. On the south boundary is the Heerdt Marsh, a tidal marsh that has never been diked, on the east filled land of the Reserve and on the north the Reserve’s parking lot. CMMERE’s historic tidal marsh is habitat for a large population of the endangered Ridgway’s rails in addition to shorebirds and waterfowl. Rain cancels our work days. For questions please reach out to the Volunteer Coordinator or the Property Coordinator Martha Jarocki at .
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Deer Island Open Space and Simmons Slough – Novato
Join us on our walk along Deer Island Open Space trails with iNaturalist Ambassador Sarah Reid, who has experience with California Academy of Sciences, Sonoma Land Trust and Regional Parks. Her goal is to support new and existing users of the iNaturalist platform in learning how to record, identify and explore biodiversity in their local regions. READ MORE
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Rodeo Lagoon – Marin Headlands
Join William and David for this fourth fall migration field trip at Rodeo Lagoon. This is their long-time “patch,” which never seems to disappoint birders with daily variations in species and a good chance of an unusual sighting. On this trip, our group will be targeting Parasitic Jaeger, migrating shorebirds and scarcer migrant passerines. We will begin the morning with a Sea Watch from Rodeo Beach at 7:30 AM. Those arriving later may join us at 8:00 AM for a circuit of the lagoon. This field trip is less suitable for beginners. READ MORE
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The Ponds at the Las Gallinas Valley Sanitary District (LGVSD) – San Rafael
Thursday, November 5, 2026 8:30 AM to noon Birding with Mark Clark Registration is not required. All participants are welcome to join this trip. On this trip we especially welcome beginning birders to join Mark Clark, along with bird enthusiasts of all levels, on our monthly walk around the ponds at Las Gallinas. With fall migration underway, we’ll be looking for waterfowl, waders, songbirds, raptors, rails and swallows. We are likely to spot some interesting species, so come assist in our search. The packed dirt paths around the ponds are wide, flat and easy to navigate. Heavy rain cancels. There is a portable restroom in the parking area for public use. DIRECTIONS: From Hwy 101, exit at Smith Ranch Rd. Drive east on Smith Ranch Rd. toward McInnis Park. Turn left after crossing the railroad tracks and drive about 0.5 mile through the LGVSD gates and into the parking lot at the end of the road. Meet the group by the bridge just past the parking lot. There is a portable restroom in the parking area for public use.
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Triangle Marsh Volunteer Work Day
Triangle Marsh Triangle Marsh, Corte Madera, United StatesDate: Every first Saturday of the month from 10:00 - 1:00 Directions: From the Paradise Drive exit on Highway 101 go 1.5 miles south of The Village Shopping Center on Paradise Drive. Triangle Marsh is between Golden Hind Passage and the Marin Montessori School. Google Map Please fill out the Volunteer Sign Up Form HERE If you are under the age of 18 please fill, sign, and bring to the event the Minor Waiver HERE Join Marin Audubon Society Property Coordinators for seasonal tasks to maintain and improve habitat for birds and other wildlife at Triangle Marsh. This 31-acre property, acquired in 1999, is located on Paradise Drive across from the Ring Mountain Preserve in Corte Madera. The property consisted of ancient tidal marsh (habitat for the endangered California Ridgeway’s Rail), intertidal baylands (habitat for migratory waterfowl and shorebirds), and uplands, most of which was created by the placement of fill when Paradise Drive was constructed. Rain cancels our work days. For questions please reach out to the Volunteer Coordinator or the Property Coordinator Bob Hinz at .
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Acorn Woodpeckers: Cooperation, Conflict, and Family Drama
Acorn Woodpeckers, best known for their unique habit of storing acorns by the thousands in special structures known as “granaries”, are cooperative breeders that exhibit one of the most complex social systems of any bird. Based
on a long-term study of this species at Hastings Natural History Reservation in Monterey County,
Walt will explain some of the strikingly cooperative and diabolically competitive behaviors of this species that he and his
colleagues have discovered during their 50+ year field study. -
Corte Madera Marsh Ecological Reserve (CMMERE) Volunteer Work Day
Corte Madera Ecological Reserve (CMER) CA, United StatesDate: Every second Saturday of the month from 10:00 - 1:00 Directions: Take the Redwood Highway Frontage Road north past the World Market Shopping Plaza. Turn right onto Industrial Way and access the site through the gate which is open on work days. Google Map Please fill out the Volunteer Sign Up Form HERE If you are under the age of 18 please fill, sign, and bring to the event the Minor Waiver HERE Join Marin Audubon Society Property Coordinators for seasonal tasks to maintain and improve habitat for birds and other wildlife at the Corte Madera Marsh Ecological Reserve. The importance of this 5 acre portion of the marsh stems from its location, bounded on three sides by the California Department of Fish and Wildlife’s Corte Madera Ecological Reserve. On the south boundary is the Heerdt Marsh, a tidal marsh that has never been diked, on the east filled land of the Reserve and on the north the Reserve’s parking lot. CMMERE’s historic tidal marsh is habitat for a large population of the endangered Ridgway’s rails in addition to shorebirds and waterfowl. Rain cancels our work days. For questions please reach out to the Volunteer Coordinator or the Property Coordinator Martha Jarocki at .
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Triangle Marsh Volunteer Work Day
Triangle Marsh Triangle Marsh, Corte Madera, United StatesDate: Every first Saturday of the month from 10:00 - 1:00 Directions: From the Paradise Drive exit on Highway 101 go 1.5 miles south of The Village Shopping Center on Paradise Drive. Triangle Marsh is between Golden Hind Passage and the Marin Montessori School. Google Map Please fill out the Volunteer Sign Up Form HERE If you are under the age of 18 please fill, sign, and bring to the event the Minor Waiver HERE Join Marin Audubon Society Property Coordinators for seasonal tasks to maintain and improve habitat for birds and other wildlife at Triangle Marsh. This 31-acre property, acquired in 1999, is located on Paradise Drive across from the Ring Mountain Preserve in Corte Madera. The property consisted of ancient tidal marsh (habitat for the endangered California Ridgeway’s Rail), intertidal baylands (habitat for migratory waterfowl and shorebirds), and uplands, most of which was created by the placement of fill when Paradise Drive was constructed. Rain cancels our work days. For questions please reach out to the Volunteer Coordinator or the Property Coordinator Bob Hinz at .