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September 7 is California Biodiversity Day, a week to celebrate our state's status as a global biodiversity hotspot and encourage actions to protect its natural treasures. Events take place September 7 through September 15, hosted by state and federal agencies, tribes, local communities, NGOs, museums, zoos, and universities, all working to connect people with the incredible diversity of life here in California. 

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.

̽»¨¾«Ñ¡ California and ̽»¨¾«Ñ¡ 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 hosted by ̽»¨¾«Ñ¡ Centers, Sanctuaries, and Chapters across California:

• 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 ̽»¨¾«Ñ¡ 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:

• 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 ̽»¨¾«Ñ¡ 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

• Date: 9/7/2024
• Time: 6:30 AM – 10:00 AM
• Location: Bushy Lake, Sacramento Valley
• Hosted by: Sacramento ̽»¨¾«Ñ¡ 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 ̽»¨¾«Ñ¡ 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:

• Date: 9/7/2024
• Time: 8:30 AM – 10:30 AM
• Location: Ventura Settling Ponds, Ventura, CA (Southern California)
• Hosted by: Ventura ̽»¨¾«Ñ¡ 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.

• 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 ̽»¨¾«Ñ¡ 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

• Date: 9/8/2024
• Time: 7:30 AM – 10:30 AM
• Location: Nimbus Fish Hatchery, Rancho Cordova, CA (Sacramento Valley)
• Hosted by: Sacramento ̽»¨¾«Ñ¡ 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.

• 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 ̽»¨¾«Ñ¡â€™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:

• Date: 9/9/2024
• Time: 8:00 PM – 10:00 PM
• Location: Famosa Slough, San Diego, CA (Southern California)
• Hosted by: San Diego ̽»¨¾«Ñ¡ 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.

• 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 ̽»¨¾«Ñ¡ 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

• Date: 9/10/2024
• Time: 8:30 AM – 11:30 AM
• Location: ̽»¨¾«Ñ¡ Center at Debs Park, Los Angeles, CA (Southern California)
• Hosted by: ̽»¨¾«Ñ¡ 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.

• Date: 9/12/2024
• Time: 10:00 AM – 11:00 AM
• Location: Richardson Bay ̽»¨¾«Ñ¡ Center & Sanctuary, Belvedere Tiburon, CA (SF Bay Area)
• Hosted by: Richardson Bay ̽»¨¾«Ñ¡ Center & Sanctuary
• Details: Join ̽»¨¾«Ñ¡ staff for an hour-long birding experience along the shores of Richardson Bay.

• 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 ̽»¨¾«Ñ¡, 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.

• Date: 9/14/2024
• Time: 8:15 AM – 11:30 AM
• Location: ̽»¨¾«Ñ¡ Center at Debs Park, Los Angeles, CA (Southern California)
• Hosted by: ̽»¨¾«Ñ¡ 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.