California Biodiversity Day 2024

Click the Hotspot link to the right to explore a beautiful StoryMap of the birds, habitats, and incredible biodiversity that we celebrate across our state.

Audubon California and Audubon Chapters will be joining the celebration with guided nature walks, community science projects, and more. To explore all events near you, visit the California Biodiversity Day events page.

Events hosted by Audubon Centers, Sanctuaries, and Chapters across California:

BioBlitz at Shady Oaks Park for CA Biodiversity Day

Date: 9/7/2024
Time: 9:00 AM – 11:30 AM
Location: Shady Oaks Park, San Jose, CA (SF Bay Area)
Hosted by: Keep Coyote Creek Beautiful, BioBlitz Club, Santa Clara Valley Audubon Society, Peninsula Open Space Trust
Details: Join a community effort to catalog and document the biodiversity along Coyote Creek Trail. Experts will guide participants through the diverse plants and wildlife. Bring your smartphone with the iNaturalist app and enjoy a family-friendly tour. Community service hours available.
Registration: Eventbrite Link

Border BioBlitz at Tijuana Slough NWR

Date: 9/7/2024
Time: 8:00 AM – 10:00 AM
Location: Tijuana Slough National Wildlife Refuge, Imperial Beach, CA (Southern California)
Hosted by: USFWS, San Diego Natural History Museum, San Diego Audubon Society
Details: Celebrate California Biodiversity Day with a bilingual BioBlitz. Record biodiversity and contribute to the conservation of 30% of California’s lands and coastal waters by 2030. No prior experience necessary.
Registration: RSVP via email to Park Ranger Nancy Fernandez at Nancy_Fernandez@fws.gov

Biodiversity at Bushy Lake

Date: 9/7/2024
Time: 6:30 AM – 10:00 AM
Location: Bushy Lake, Sacramento Valley
Hosted by: Sacramento Audubon Society
Details: Document biodiversity at Bushy Lake with a guided walk using eBird and iNaturalist. This restoration site is thriving with riparian vegetation, creating new habitats for wildlife. Limited to 8 participants.
Registration: Email Kevin at bionerdkevin@gmail.com

Biodiversity Nature Walk at Chaney Trail (Sold Out)

Date: 9/7/2024
Time: 6:00 PM – 08:00 PM
Location: Chaney Trail, Altadena, CA (Southern California)
Hosted by: California Native Plant Society San Gabriel Mountains Chapter, Pasadena Audubon Society
Details: Explore the Chaney Trail and record biodiversity with bird and plant experts. Learn about local flora and fauna in celebration of California Biodiversity Day.
Registration: Event Link

Ventura Settling Ponds Birding

Date: 9/7/2024
Time: 8:30 AM – 10:30 AM
Location: Ventura Settling Ponds, Ventura, CA (Southern California)
Hosted by: Ventura Audubon Society
Details: Enjoy a guided birding field trip along dirt paths around the Ventura Settling Ponds, a top birding location. Expect to see ducks, grebes, herons, gulls, pelicans, and possibly hawks and harriers.

Beginning Birding at Asilomar State Beach

Date: 9/8/2024
Time: 9:00 AM – 12:00 PM
Location: Asilomar State Beach and Conference Grounds, Pacific Grove, CA (Central Coast)
Hosted by: Asilomar State Beach & Monterey Audubon Society
Details: Introduction to birding at Asilomar, with tips for identifying and observing birds. The walk follows accessible pathways and includes opportunities to stop and sit. Parking is available on the conference grounds.
Registration: RSVP via email to montereyaudubon@gmail.com

Nimbus Hatchery Birding Walk

Date: 9/8/2024
Time: 7:30 AM – 10:30 AM
Location: Nimbus Fish Hatchery, Rancho Cordova, CA (Sacramento Valley)
Hosted by: Sacramento Audubon Society, CA Dept of Fish and Wildlife
Details: Celebrate California Biodiversity Day with a birding walk along the American River. Expect to observe a variety of birds in riparian habitats. Bring binoculars or spotting scopes if available.

Birds & Biodiversity: Ranch to Ranges BioBlitz at McKenzie Preserve

Date: 9/8/2024
Time: 8:00 AM – 01:00 PM
Location: McKenzie Table Mountain Preserve, Clovis, CA (Sierra Foothills/Gold Country)
Hosted by: California Audubon’s Conservation Ranching Program, Sierra Foothills Conservancy
Details: Explore how ranching practices enhance biodiversity in rangelands. Engage in a hands-on BioBlitz with expert guidance. This event offers a unique opportunity to connect with nature in a stunning natural setting.
Registration: Event Registration

Moth Night at Famosa Slough

Date: 9/9/2024
Time: 8:00 PM – 10:00 PM
Location: Famosa Slough, San Diego, CA (Southern California)
Hosted by: San Diego Audubon Society
Details: Discover the nocturnal world of moths, the often-overlooked night-time pollinators. Join us during California Biodiversity Week to learn about these fascinating creatures.

An Introduction to iNaturalist

Date: 9/10/2024
Time: 7:30 PM – 09:00 PM
Location: Pacific Grove Museum of Natural History, Pacific Grove, CA (Central Coast)
Hosted by: Monterey Audubon Society
Details: Learn about the iNaturalist app, its benefits for science and conservation, and how to get started. The event includes a Q&A session and insights from a local naturalist.
Registration: Not specified

Marking Monarchs: Tally Tuesday

Date: 9/10/2024
Time: 8:30 AM – 11:30 AM
Location: Audubon Center at Debs Park, Los Angeles, CA (Southern California)
Hosted by: Audubon Center at Debs Park
Details: Become a community scientist by helping to search for western monarchs, eggs, and butterflies on narrowleaf milkweed. Learn about the vital role these species play in California’s ecosystem.

Biodiversity Bird Walk

Date: 9/12/2024
Time: 10:00 AM – 11:00 AM
Location: Richardson Bay Audubon Center & Sanctuary, Belvedere Tiburon, CA (SF Bay Area)
Hosted by: Richardson Bay Audubon Center & Sanctuary
Details: Join Audubon staff for an hour-long birding experience along the shores of Richardson Bay.

Wander the Wetlands

Date: 9/14/2024
Time: 9:00 AM – 11:00 AM
Location: Kendall-Frost Marsh Reserve, San Diego, CA (Southern California)
Hosted by: San Diego Audubon, UC San Diego Natural Reserve System
Details: Explore the underwater life at Kendall-Frost Marsh with an interactive fish seining experience. This bilingual event is also part of Latino Conservation Week.

Community Bird Sit

Date: 9/14/2024
Time: 8:15 AM – 11:30 AM
Location: Audubon Center at Debs Park, Los Angeles, CA (Southern California)
Hosted by: Audubon Center at Debs Park
Details: Join a beginner-friendly Community Bird Sit and learn about the biodiversity of California as seen through birds, insects, and plants. Perfect for birders of all ages.