McLaren Park in San Francisco

Photo by Tim Adams

Join us on April 16, National Citizen Science Day, for an amazing bioblitz at McLaren Park in San Francisco!

In 2013, we had a crazy idea—gather Nature Nerds, McLaren Park neighbors, scientists, and amateur naturalists all armed with the iNaturalist app and work together to find and identify as many different species as possible within McLaren Park. The first grassroots bioblitz was born!

Join us on April 16th for another amazing bioblitz at McLaren Park in San Francisco!

A bioblitz is an intensive one-day study of biodiversity in a specific location, bringing scientists and volunteer citizen-scientists together. Together, we’ll look for snails, birds, mammals, frogs, butterflies, other insects, spiders, trees, worms, flowers, and everything else we can find!

Encouraging your students to participate in this McLaren Park Bioblitz and/or other bioblitzes with their families and friends is a great way to help them connect to your classroom units on ecosystems, biodiversity, and conservation. Or, round up some chaperons and bring your entire class on a bioblitz field trip.

What to bring and where to go

  • Bring your observation skills and desire to discover.
  • Bring your smartphone. Don't have an iNat account yet? No problem! Sign up for an iNaturalist account, then download the app. We’ll enter observations in iNaturalist and join together at the end to find out how many observations we made and how many species we found.
  • Bring snacks and water.
  • Bonus: camera, binoculars, and magnifying glasses.
  • The fun starts at 10 AM Saturday at the June Jordan School for Equity, 325 La Grande Ave, San Francisco, CA 94112. We will blitz until 1 pm and then meet back up at the school to go over our finds!

    We will have coffee in the morning and post blitz grub at the wrap. 

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