Field Trip: Stanford Arboretum and Cactus Garden (Palo Alto)

Sun · Oct 25·8:30 AM – 4:30 PM·San Francisco, CA (Farallon Islands)

Eight‑hour naturalist‑led whale watching expedition sails from San Francisco under the Golden Gate Bridge to the Farallon Islands, featuring an expert naturalist, $320 per person, ages 13+.

Sun · Oct 25·8:30 AM – 10 AM·SF Botanical Garden · San Francisco

Sophia Di Piazza leads a free guided walk in the San Francisco Botanical Garden, examining pollinators, beetles, true bugs and other insects; $5‑20 suggested donation, all ages.

Sun · Oct 25·8:15 AM – 11 AM·37°18'24.8"N 122°04'24.3"W

Field Trip at Stevens Creek County Park in Cupertino.

Sun · Oct 25·8 AM – 12 PM·Windy Hill Preserve

Autumnal Beauty Loop Hike (Windy Hill Preserve) — A scenic loop trail showcasing fall foliage.

Sat · Oct 24·8 AM – 11 AM·37.64632° N, 122.14717° W

Members only field trip visits Hayward’s Landing and Mt. Trashmore.

Sat · Oct 24·8 AM – 10 AM·37.294602, -122.091328

Field Trip at Picchetti Ranch, Cupertino.

Sat · Oct 24·8:30 AM – 11 AM·37.433536, -122.098394

Drop-in: Fall Migration at the Bay! (Mountain View) — Informal gathering exploring fall bird migration in the Bay Area.

Sun · Oct 25·9:30 AM – 11 AM·Santa Clara Valley Bird Alliance (SCVBA), 22221 McClellan Road, Cupertino, CA, 95014

Young Birders Club: Bird Feeder Workshop at Santa Clara Valley Bird Alliance in Cupertino.