Sequoia Audubon Society
                              San Mateo County, California

Sequoia Audubon Field Trips

SAS Field Trip
Sweetwood Group Camp, Half Moon Bay. Trip led by Malia DeFelice & Chris Hayward (on the far right.) Photo by Malia DeFelice

Visitors and guests are welcome!

  • All trips are open and suitable for beginners unless specifically marked.

  • Trips marked as Beginner's Trips include advice on binoculars and telescopes, and a short open-ended discussion on birding and the environment.

  • It is always a good idea to check with the field trip LEADER for confirmation on trips beyond the immediate area in case of last minute changes.

  • Note that some trips require reservations, see the individual descriptions for requirements.

  • Further information may be obtained from the listed Trip LEADER or from

  • A description for the event icons can be found at the bottom of the page.

  • This listing also includes trips and events not sponsored by Sequoia Audubon Society - listed for your information, only.

Note: All phone numbers are for Area Code 650, unless otherwise stated.

Recurring Activities


Weekday Walks and Field Trips with Donna Pomeroy on the First Wednesday of every month to some places we may not normally bird and usually in San Mateo County. For all trips carpooling is preferred. Contact Donna to arrange if a carpool location is not already suggested. Rain cancels trips.

Trip details found in dated listings below.

Leader: Donna Pomeroy


Don't forget to check Other Activities for field trips of interest not sponsored by SAS.

Download the February Field Trip Flyer which includes the GBBC - Note cancellations, below

Field Tripbeginner and family walk GBBC! Beginning Birding on the Bayshore
Saturday, February 18, 9:30m – 11:30am

Families and kids are welcome on this beginner-oriented trip. We'll learn about some of the local shorebirds, ducks, and sparrows as we explore the bayshore habitats. Binoculars are highly recommended.

Directions: We will meet in the gravel parking lot just inside the entrance off of Marsh Road.

Leader:Rob Furrow. Contact:

Field TripGBBC! Ross Cove to Seal Cove – R.S.V.P.
Saturday, February 18, 9:30am – 1:30pm (to coincide with low tide)


Join Malia DeFelice, Chris Hayward and Mary DeLong (Friends of Fitzgerald) as we hike the beaches from Ross Cove to Seal Cove in Moss Beach. What birds, mammals or other species will we find? Let's explore! This is roughly a 2-mile hike one way. We will plan to place cars at our Moss Beach destination to drive back to starting point or option to hike back along the bluff. Plan to wear sturdy shoes as part of the walk will be done on rocky, sometimes slippery, tide-pool type surfaces.

Directions: Please confirm if you intend to attend this field trip as predictions of Heavy Rain will cancel. Meet-up at Mavericks parking lot. Plan for the day given to those who R.S.V.P.

Leader: Malia DeFelice

Field TripGBBC! Education Series: Sparrows and Their Allies
Cascade Ranch, Coastal San Mateo County
Sunday, February 19, 8:30am - 12:00pm

As a group, sparrows and their allies (the "little brown jobs" or LBJ's) can be one of the more difficult families to master. With just a little study, however, the identification details of many of the more common sparrow species can be learned fairly quickly. This field trip, the second of our new education series, will help you improve your understanding of the life of sparrows and develop your sparrow identification skills. We will consider components such as location, time of year, habitat, plumage, behavior and calls. We will also consider confusion species that look like sparrows, but which are not. While focused on LBJ's, we will also be looking for other birds of interest in this fantastic area as part of the Great Backyard Bird Count.

The trip is suitable for beginner and experienced birders alike and provides good photography opportunities.

Leader: Adam Dudley. Please contact Adam if you would like to join this trip and for exact details.

Field TripGBBC! Birding the border 1 - San Franciscquito Creek and O'Connor Pond
Sunday, February 19, 8:30am – 11:00am

San Mateo and Santa Clara Counties are blessed with some of the best birding in Califormia! In 2017 SAS and SCVAS are collaborating to bring a series of three field trips that will be held along the borders between our two counties. These trips will be run by our most experienced and popular field trip leaders - on this first "Birding the Border" trip, join Francis Todi and Garth Harwood as they explore this fantastic Bayside area. Most of the shorebirds and waterbirds that spend the winter in the Bay Area are likely on this walk, and there's always the chance of something exciting!

The trip will meet at the parking lot at the end of Geng Road near the Baylands Athletic Center in Palo Alto. We will walk slowly along the flat San Francisquito Creek trail in Santa Clara County, crossing over a bridge into San Mateo County to explore the freshwater O'Connell Pond and nearby Bay Trail, and then continue out to the creek mouth before returning to the parking lot. Total distance is about 2 miles.

Leaders: Francis Todi and Garth Harwood. Contact: and

Field TripGBBC! Edgewood County Park
Sunday, February 19, 9:00am – 12:00pm

Explore this gem of a park while hiking up to 3 miles through oak woodlands and natural meadows. Look for California Thrasher, Wrentit, Oak Titmouse, raptors, sparrows and Western Bluebird. Great for beginners!

Directions: Take 280 to Edgewood Rd. in Woodside. Go West down Edgewood to Cañada Road and proceed South for half a mile to the Clarkia trailhead where we'll meet.

Leader: Susie Hons

Field TripGBBC! Birding at Jasper Ridge
Monday, February 20, 8:00am – 11:00am

Cancelled due to weather

This trip is intended for beginners, as well as experienced birders. We will explore this bird rich area, collecting data for the annual Great Backyard Bird Count. Please join us, and encourage friends, family, children (12 years and up), and adults to discover the joys of birding! On-going projects at Jasper Ridge Biological Preserve contributes to the understanding of the Earth's natural systems through research, education, and protection of the Preserve's resources. The only access to this area is through docent led tours such as this one.

Trip is limited to 10 people so please contact Sonny to reserve your place. Directions and meetup location to be shared when registration is confirmed. Trip involves 2-3 miles of moderately strenuous walking, and goes rain or shine.

Leader: Sonny Mencher or 650-814-8028


Download the March Field Trips Flyer

Field TripfeeAlum Rock Park - Birds, Butterflies & Wildflowers
Wednesday, March 1, 9:00am - 12:00pm

Alum Rock Park is located in a canyon in the Diablo Range foothills on the east side of San Jose. The target species of this trip is the Sonoran Blue Butterfly, one of the rarest butterflies in the Bay Area and one of the most beautiful species in the United States. We will look at any other birds, butterflies or spring wildflowers that we can find along the way. This is a relatively slow-paced trip along a gentle grade.

Parking fee is $6 and the parking pass dispensing machine accepts credit cards. Heavy rain cancels. Light rain or overcast may affect our chances to see butterflies.

Directions: We will meet in the furthest eastern parking area at the end of Alum Rock Falls Road.

Leader: Donna

Field TripBean Hollow Lakes
Saturday, March 4, 8:00am - 2:00pm

SPECIAL TRIP to Bean Hollow Lakes (Cloverdale Ranch). This field trip will explore an area under restricted access held by POST along Cloverdale Road. We will hike 2.5 miles to the Bean Hollow Lakes. (Local birders might remember this as the site of a Brown Thrasher in 2009). This is a field trip meant for discovery, part of an ongoing initiative by Sequoia Audubon to increase our knowledge of under-birded parts of the county. We don't know what we'll find, but birds like Purple Finch, Osprey, wintering raptors, and unusual waterfowl are possible.

Space is limited to the first twelve people to contact the leader to sign up.

Meeting place will be announced to registered participants only. Bring food and liquid appropriate to that timing.

Leader: Jennifer Rycenga:

Field TripEdgewood County Park
Sunday, March 12, 8:00am - 12:00pm

Explore this gem of a park while hiking 3-6 miles through oak woodlands, some hills and natural meadows. Look for California Thrasher, Wrentit, Oak Titmouse and Western Bluebird year round.

Directions: Take 280 to Edgewood Rd. in Woodside. Go east down Edgewood to the park entrance on the right. Meet at the Nature Center.

Leader: Susie Hons Contact:

Postponed: tentative new date is April 2nd

Field TripLake Merced
Sunday, March 19, 8:00am - 12:00pm

Located in the southwest corner of San Francisco, Lake Merced is the largest freshwater wetland between Pt. Reyes in Marin County and Pescadero Marsh in southern San Mateo County. The 509-acre lake is regarded by many birders as offering some of the best birding in the city of San Francisco. Much of the lake is surrounded by marsh and heavy willow growth, providing cover both for water birds and small passerines. The lake is a hot spot for migrating birds and hosts significant flocks of waterfowl in winter. Join leader Dominik Mosur as we take an easy walk to explore the lake and Harding park golf course.

Directions:Meet at 8 AM at the Harding Park golf course entrance on Harding Road.

Leader: Dominik Mosur

Field TripBurleigh Murray State Park - R.S.V.P.
Saturday, March 25, 9:00am - 1:00pm

It's a tradition! Come celebrate Spring with a bird walk! Burleigh Murray State Park is a former ranch. The park's only active trail consists of the old ranch road. The habitats include mature eucalyptus groves, grassy valleys, and an extensive riparian corridor along the ranch road. It is a pleasingly birdy hike of just over a mile from the parking lot to the barn, with nearly constant activity and bird sounds. The road gains elevation quite slowly, and would be an appropriate trail for people with mild mobility issues. There are 2 bathrooms along the route. We should anticipate spring migrants including Allen's Hummingbird and Wilson's Warbler. Birds to expect include California Quail, Red-tailed and Red-shouldered Hawk, Band-tailed Pigeon, Downy and Hairy Woodpeckers, Northern Flicker, Black Phoebe, Hutton's Vireo, Bewick's and Pacific Wrens, Wrentit, Dark-eyed Junco, and finches.

Please confirm if you intend to attend this field trip as predictions of Heavy Rain will cancel.

Directions: Burleigh Murray State Park is located on Higgins-Purisima Road in Half Moon Bay. Higgins-Purisima Road begins just off of SR1, going east where Main Street ends. Visible as a landmark, from SR1, is a local Fire Station at the corner of Main St. and Higgins Canyon Rd. The park is about 1.5 miles east on the left side of Higgins-Purisima Road.

Leaders: Malia DeFelice and Chris Hayward at 650-346-2009 (call if you are running late or lost) email: to R.S.V.P.


Additional Field Trips will be added as the information becomes available.

Legend of Field Trip Symbols

Field Trip Wildlife Viewing

fee Fee required for part or all of this event

out of area trip Trip beyond local area, perhaps including an overnight stay

volunteer opportunity Volunteer Opportunity

beginner and family walk Beginner/Family walk

nature walk or viewing Nature Walk or Viewing

pelagic trip Pelagic (Ocean) Trip

motor tour Motor Tour. May include car pooling.

wheelchair accessible Wheelchair Accessible


2016 S.A.S.