World lemur day

Fri · Oct 30·8:30 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+.

Fri · Oct 30·3 PM – 3:30 PM·Presidio Trust · San Francisco

Park Ranger Campfire Talks at Presidio Trust.

Fri · Oct 30·5 AM·Event Location, San Francisco

Cycle track open before 2:00 PM at Event Location, San Francisco.

Fri · Oct 30·9 AM – 12 PM·Presidio Trust · San Francisco

Volunteer with Presidio Forest Stewards at the Presidio Trust.

Sat · Oct 31·9:30 AM – 12:30 PM·Burning Man Decompression (SF) · San Francisco

Experience a Halloween‑themed three‑hour nature walk among wild horses, jackrabbits, coyotes and new sculptures at Burning Man Decompression’s Fly Ranch.

Sat · Oct 31·11 AM·San Francisco Zoo & Gardens, Sloat Blvd at The Great Highway, San Francisco, CA 94132

Learn about the zoo's critically endangered species at the San Francisco Zoo & Gardens.

Sat · Oct 31·11:30 AM – 12:30 PM·Randall Museum, 199 Museum Way, San Francisco, CA 94114

Curator discusses rescue animal ambassadors, sharing stories and showing tarantulas, snakes, and birds of prey at the Randall Museum’s Wild in California exhibit, all ages.

Fri · Oct 23·11 AM·San Francisco Zoo & Gardens, Sloat Blvd at The Great Highway, San Francisco, CA 94132

International snow leopard day (San Francisco Zoo & Gardens) — Conservation pop-up provides information about snow leopards.

Sat · Oct 24·11 AM·San Francisco Zoo & Gardens, Sloat Blvd at The Great Highway, San Francisco, CA 94132

Wolf Canyon at San Francisco Zoo offers insight into the zoo’s recent role in Mexican grey wolf conservation.

Sun · Oct 25·9 AM – 11 AM·San Francisco Zoo & Gardens, Sloat Blvd at The Great Highway, San Francisco, CA 94132

In the zoo’s Service Yard waiting room, vets and techs check a child’s teddy bear after a nutrition center tour and poop briefing, plushie per child, ages 3–13.