Field Trip: Ulistac in Fall (Santa Clara)

Thu · Oct 29·8:30 AM – 10:30 AM

Hard‑pack gravel trail provides a 1‑to 1½‑mile hike with a gentle 300‑foot climb and spectacular views, open to hikers, mountain bikers and horses, requires free permit application.

Thu · Oct 29·9 AM·Marsh Creek Regional Trail (Oakley): Cypress Staging Area

Guided naturalist walk at Marsh Creek Regional Trail Cypress Staging Area showcases local bird biodiversity for novice and seasoned birders, free drop‑in, adult participation required, all ages.

Thu · Oct 29·9 AM·Marsh Creek, Oakley

Guided birding walk at Marsh Creek’s paved, flat trail offers immersive avian biodiversity experience for novice and seasoned birders, free drop‑in for ages 18+.

Thu · Oct 29·9 AM – 12 PM·Taylor Mountain Regional Park and Preserve

Volunteer for invasive plant removal at Taylor Mountain Regional Park and Preserve, clearing non‑native species to make space for native plants and wildlife.

Wed · Oct 28·5 PM – 7 PM·Santa Clara Valley Bird Alliance (SCVBA), 37.313072, -122.063695

Community Crafternoon at McClellan — crafting sessions held at the Santa Clara Valley Bird Alliance.

Sat · Oct 31·8 AM – 11 AM·37.070541, -121.522468

Field Trip at Mendoza Ranch and Roop Pond, Gilroy.

Sun · Nov 1·8:30 AM – 11 AM·37.234266, -121.899898

Field Trip: Los Capitancillos takes place in San Jose.

Sun · Nov 1·9 AM – 11:30 AM·Hellyer County Park (Cottonwood Lake), 985 Hellyer Avenue, San Jose, CA, 95111

Bioblitz at Hellyer County Park (Cottonwood Lake) — rapid species inventory.