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March 2020
March 14, 2020 @ 9:00 am - 11:00 am

Coyote Valley Spring BioBlitz

Coyote Creek Visitor Center at Anderson Lake, 19245 Malaguerra Ave
Morgan Hill, CA 95037 United States
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April 23, 2020 - April 27, 2020
Golden Gate Bridge and wildflower illustration

City Nature Challenge 2020: San Francisco Bay Area

CA United States + Google Map
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April 2022
Sunday, April 17 @ 9:00 am - 12:00 pm

BioBlitz at Shady Oaks Park

Shady Oaks Park, 948 Coyote Road
San Jose, 95111
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May 2022
Sunday, May 1 @ 9:00 am - 11:00 am

City Nature Challenge BioBlitz

Alum Rock Park, 15350 Penitencia Creek Rd
San Jose , CA 95127 United States
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Saturday, May 14 @ 9:00 am - 11:00 am

Spring BioBlitz at Hellyer Park

Hellyer County Park – Cottonwood Lake, 996 Hellyer Ave, Cottonwood Lake Entrance
San Jose, 95111
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Saturday, June 4 @ 10:00 am - 12:00 pm

Dimond Park Bioblitz

Dimond Park, 3860 Hanly Road
Oakland, California
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July 2022
Friday, July 1 @ 5:30 pm - 8:00 pm

Jack London Square Docks Bioblitz

Jack London Square, meet outside of Scott’s Restaurant, 2 Broadway
Oakland, CA 94607 United States
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August 2022
Friday, August 12 @ 7:00 pm - 8:00 pm

Bat Survey at Stafford

Stafford Lake Park, 3549 Novato Blvd
Novato, CA United States
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Saturday, August 20 @ 9:00 am - 12:00 pm

OSCSP August BioBlitz

North Coyote Valley Conservation Area, San Jose, CA 95130 United States + Google Map
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Sunday, August 28 @ 9:00 am - 11:00 am

Summer BioBlitz at Hellyer Park

Hellyer County Park – Cottonwood Lake, 996 Hellyer Ave, Cottonwood Lake Entrance
San Jose, 95111
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September 2022
Wednesday, September 7 @ 5:30 pm - 6:30 pm

Plant Galls for the Curious Naturalist

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Saturday, September 10 @ 9:00 am - 11:00 am

BioBlitz at Shady Oaks Park

Shady Oaks Park, 948 Coyote Road
San Jose, 95111
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Saturday, September 10 @ 8:00 pm - 11:00 pm

Entomology After Dark – CA Biodiversity Day

Sugarloaf Ridge State Park, 2605 Adobe Canyon Rd
Kenwood, CA 95452 United States
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October 2022
Saturday, October 1 @ 10:00 am - 1:00 pm

Baylands Bioblitz

Baylands Nature Preserve, 2500 Embarcadero Road
Palo Alto, CA
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Ongoing Events


Park In Place Nearby BioBlitz


There is a lot we can do from our own windows even if we can't go outside. Beginning today, Monday, April 13, to kick off ...

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City Nature Challenge: San Francisco Bay Area


Take part in the 2022 City Nature Challenge in the San Francisco Bay Area! Join in our annual celebration of the incredible nature we have in the Bay Area, from our backyards to our city streets to our open spaces. Participating is easy: just make observations of wild plants, animals, and fungi, an...

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Self-Guided iNaturalist Hike: Alviso Unit – *Volunteer Opportunity*


Interested in a volunteer opportunity you can do this weekend!? Looking for an activity you can do safely on your own or with your own household? Join us for a self-guided BioBlitz event in honor of National Trails Day on June 4th and World Environment Day on June 5th. The Alviso Unit of the Don Edwards San Francisco Bay National Wildlife Refuge is a great location for viewing local wildlife an...

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