• Getting a close-up look at an insect during a bioblitz
    Getting a close-up look at an insect during a bioblitz
  • Bioblitz in the tidepools
    A bioblitz in the tidepools.
  • Bioblitzing in the rain at Sam McDonald County Park
    Bioblitzing in the rain at Sam McDonald County Park!
  • Bioblitzing Lake Merritt in Oakland
    Exploring Lake Merritt in Oakland
  • Getting ready to bioblitz Golden Gate Park
    Getting ready to bioblitz Golden Gate Park
  • Looking for birds at a bioblitz in San Francisco
    Looking for birds at a bioblitz in San Francisco
  • Documenting plants on Ring Mountain with San Francisco Bay in the background
    Documenting plants on Ring Mountain with San Francisco Bay in the background
  • Documenting a newt during a bioblitz
    Documenting a newt during a bioblitz
  • Gathering at the start of a bioblitz
    Gathering at the start of a bioblitz
  • Documenting species using iNaturalist at a Yerba Buena Island bioblitz
    Documenting species using iNaturalist at a Yerba Buena Island bioblitz
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Bioblitzes are gatherings of scientists, citizen scientists, land managers, and more, all working together to find and identify as many different species as possible. Bioblitzes not only help land managers build a species list and atlas for their park and provide invaluable data for researchers, they also highlight the incredible biodiversity in these Bay Area oases.

Our bioblitzes are open to anyone and are family-friendly. Just bring your smartphone with the iNaturalist app, your curiosity, and your powers of observation to help catalog the natural wonders of our parks and open spaces.

We've been hosting grassroots bioblitzes in our community for over 5 years. Explore the events we've helped host in the past here!

Check below to find out about upcoming grassroots bioblitzes. Links will be live once the bioblitz is open for registration. Registration is free, but be sure to let us know you're coming so we can send you all the information you need prior to the bioblitz!

 

 

Wednesday, April 1st: Yerba Buena Island Bioblitz

bay bridge to yerba buena island

Join us in documenting the biodiversity on Yerba Buena and Treasure Islands for the fourth consecutive year! In partnership with SF Environment and Treasure Island Development Authority.

 

Check back soon for more details and registration info

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Saturday, April 11th: Briones Bioblitz

briones regional park

Come discover East Bay biodiversity at Briones Regional Park! We'll split up into groups and use iNaturalist to document every species we find.

Check back soon for more information!

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Saturday, April 25th: Devil's Slide City Nature Challenge Bioblitz

devils slide

Come out and document biodiversity to help the Bay Area win the 5th annual City Nature Challenge

More details to come.

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Partner Organizations

We are lucky enough to partner with organizations who also host their own citizen science events. Check out their pages for some great upcoming bioblitzes, restoration days and more!

One Tam

California Center for Natural History

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Join iNaturalist

Our bioblitzes are powered by iNaturalist, our in-house, citizen science platform. It's a community-powered website and app that makes it easy to upload and share your observations in the field and to get help from other users with flora and fauna IDs.

In the News

A selection of videos, articles, and press that offer a closer look at citizen science at the Academy.

See what we've been up to!