California Biodiversity Day takes place on September 7th of each year, marking the anniversary of the launch of the California Biodiversity Initiative in 2018. This annual event celebrates our state’s exceptional biodiversity, while also encouraging actions to protect it. This year, we are excited to have many partners joining us to host California Biodiversity Day events from September 5 to September 13. Please check out the events below to see how you can participate in celebrating California Biodiversity Day 2020!
Hike, learn, and watch about biodiversity - John Muir Land Trust (JMLT)
Join us in celebrating California Biodiversity Day 2020 this September. Hike on the JMLT open space and explore along the trails. Download the iNaturalist app to learn about plant and animal life on our properties. Use the Vizzit Mobile app, which brings JMLT Fernandez Ranch and Mt. Wanda to life as you take a guided tour. As you stroll along, you automatically will be notified by GPS when key points of interest have special stories. Watch the Virtual Botany Hike with California State Botanist, Dr. Dean Kelch, at Fernandez Ranch on Sept 22, at 7 PM on Facebook Watch Party!
Costa Mesa Urban Biodiversity - Orange County Earth Stewards
Costa Mesa residents and public/private school students will explore the biodiversity of life in Canyon Park and the urban streets of the city. Participants are encouraged to walk the streets of Costa Mesa and enjoy the safety features installed to calm traffic and added plantings to increase and support biodiversity.
Humboldt State University iNaturalist projects – Humboldt State University
First-year STEM students at Humboldt State University will be collecting iNaturalist biodiversity observations throughout California between 5 and 13 September for California Biodiversity Day. Check out the Among Giants Bioblitz, Rising Tides Bioblitz, and the HSU Community Bioblitz!
Self-guided iNaturalist bioblitz at Fairview Park - Fairview Park Alliance
Fairview Park Alliance encourages nature lovers to use the iNaturalist app to post observations to the “Fairview Park and Environs” project, while exploring Fairview Park between Sept 5 and Sept 7. For more information, please email firstname.lastname@example.org.
Self-guided iNaturalist bioblitz in Sonoma County - Pepperwood Preserve
Get outside in your neighborhood or local park for California Biodiversity Day! Join Pepperwood's staff and community to explore nature from Sept 5-7 through the iNaturalist app. Get your kids, household, and social pods ready to engage in something fun – and safe – to do outdoors while learning about local plants and animals near you.
iNaturalist bioblitz in San Mateo County – CuriOdyssey
Join us on a self-led bioblitz using the free iNaturalist app anywhere in San Mateo County! Document and learn about our state's biodiversity by taking photos and uploading to CuriOdyssey’s iNaturalist project during the Biodiversity Bioblitz Sept 5th-13th.
Facebook Live events with North Coast Redwoods District - California State Parks
Join us daily at 3 PM on our Facebook Page for Facebook Live events, including the Bioblitz Dance, iNaturalist app tutorials, interviews with our biologists, bioblitz competition updates, and more! We will kick it all off on our Facebook page on September 5th at 3 PM with the Bioblitz Dance!
Self-guided iNaturalist bioblitz at North Table Mountain Ecological Reserve - California Department of Fish and Wildlife
Explore North Table Mountain Ecological Reserve using the iNaturalist app! A wealth of plants and animals call the reserve home – how many will you discover? Complete your bioblitz at anytime during the course of the week, and remember to bring your own water and that there are no restrooms or facilities on the site!
iNaturalist scavenger hunt at Nimbus Fish Hatchery - California Department of Fish and Wildlife
Using the free iNaturalist app, join us for a virtual scavenger hunt around the Nimbus Fish Hatchery and along the American River! Bring drinking water. (Versión en español)
iNaturalist bioblitz on the Gray Lodge Wildlife Area (Butte/Sutter County) - California Department of Fish and Wildlife
Join California Department of Fish and Wildlife in outdoor fun while social distancing. We will document as many organisms at Gray Lodge Wildlife Area as we can, in celebration of California Biodiversity Day 2020 on Sept 7th! Using the iNaturalist app, any observation made in Gray Lodge Wildlife Area between Sept 5th and 13th counts! Due to the pandemic, this is a self-led bioblitz.
Self-guided BioBlitz of Old Town San Diego State Historic Park - California State Parks, Old Town San Diego State Historic Park
Join us during California Biodiversity Week for our FIRST EVER community-wide self-guided BioBlitz of Old Town San Diego State Historic Park. Participants will use the iNaturalist app to contribute observations of plants and animals spotted while exploring the park between September 5 and 13. Although many public events have been postponed or cancelled due to COVID-19, this presents an opportunity to explore the natural features of the park while maintaining social distance and following all COVID-19 safety protocols and park regulations.
K-12 Student challenge: Encountering California Biodiversity Close to Home - California Geographic Alliance
The California Geographic Alliance is organizing students across the state to become Biodiversity Explorers and participate in a one-week citizen science and outdoor learning collaboration. The goal is to discover the biodiversity that is around each of us. And working together, we’ll create a unique map reflecting encounters with biodiversity during this one-week BioBlitz.
Bioblitz competition between Prairie Creek Redwoods State Park and Humboldt Redwoods State Park - California State Parks
California State Parks’ North Coast Redwoods District is celebrating California Biodiversity Day in several fun ways every day between September 5th to the 13th. Prairie Creek Redwoods State Park has challenged Humboldt Redwoods to a bioblitz competition. If you are in the region, come help your favorite of the two parks catalog their biodiversity using the iNaturalist app. The contest starts Sep 5th and ends on the 12th. We will keep tally of how the contest is playing out on our Facebook pages throughout the week and announce the winner on the 13th! Like and follow our Facebook pages so you can get notifications about the week’s many fun and educational events!
Self-guided bioblitz in greater Mono Lake area - California State Parks, Mono Lake Committee, and Inyo National Forest
Let's observe and record as many species as we can to celebrate California Biodiversity Day! It's a dispersed, do-it-yourself bioblitz for the greater Mono Lake area, including Lee Vining Canyon & Lundy Canyon! To follow social distancing guidelines, please go out on your own or in small family groups and use iNaturalist to record observations of plants, animals, and signs of life (nests, scat, tracks, etc.).
Biodiversity interviews, tours, and events in Colorado Desert District - California State Parks, Colorado Desert District
Celebrate the biodiversity of the mountain parks of the Colorado Desert District of California State Parks by joining us on Facebook for interviews, tours, and events throughout the week. We will be interviewing our local experts on a variety of topics to learn about the importance of biodiversity in our state parks. Follow Cuyamaca Rancho State Park and Palomar Mountain State Park on Facebook for the programming schedule.
Self-guided bioblitz across National Wildlife Refuges - US Fish and Wildlife Service California-Great Basin Region
Celebrate California Biodiversity Day 2020 at a National Wildlife Refuge. Visit a National Wildlife Refuge in California from September 5-13 and record any animals or plants you observe using the iNaturalist app.
Self-guided bioblitz in Riverside County - Riverside-Corona Resource Conservation District
Participate from home to learn about biodiversity and the environment, using iNaturalist to help document local species.
Virtual bioblitz in Laguna de Santa Rosa watershed - Laguna de Santa Rosa Foundation
Join the Laguna Foundation and Sonoma County Ag + Open Space for our first community-wide bioblitz of the Laguna de Santa Rosa Watershed during California Biodiversity Week! Participants will use the app iNaturalist to contribute observations of plants and animals spotted while exploring around the Laguna between September 5 and 13.
California Biodiversity Bingo! - California Academy of Sciences
California Biodiversity bingo includes common species found in backyards and neighborhoods throughout the state. How many can you find during California Biodiversity Week, September 5th-13th? Remember that evidence of the organism counts as well (tracks, scat, feathers, nests, etc.). Be sure to follow all COVID-19 regulations to keep you and your community safe as you search for these species! When you think you've found one, make an observation by taking a photo in the iNaturalist app & uploading it! Can you get five in a row to make Bingo? Can you find them ALL? Feeling competitive? Head to the iNaturalist project get the link to the bingo sheet and to track if you found more species than anyone else.
Daily activities and events celebrating California's biodiversity – San Diego Natural History Museum
Check our calendar daily and join us as we celebrate California's natural beauty! Each day we will share new virtual activities and resources safely accessible from home.
iNaturalist Scavenger Hunt - California Department of Fish and Wildlife, Elkhorn Slough Reserve
Track California's biodiversity through an iNaturalist scavenger hunt. A new investigation will be posted each day on the Reserve's Facebook Page, exploring new taxa or fun facts!
Biodiversity pop-up signs along Cerrito Creek - Friends of Five Creeks
Along Cerrito Creek at the foot of Albany Hill, “pop-up" signs offer intriguing insights into California's and this area's biodiversity. Enjoy this beautiful area and help discover how plants and animals use this rare urban oasis by contributing to the iNaturalist project " What lives on Albany Hill/Cerrito Creek?"
BioBlitz your San Mateo County Parks! - San Mateo County Parks
Join us to learn more about the diversity of your San Mateo County Parks! Attend a free webinar with a tutorial on how to use iNaturalist and safe practices to take when visiting parks during the pandemic. This is a self-led BioBlitz with a webinar tutorial on 9/12 to begin. Please register for the webinar tutorial.
Sea otter craft for kids with an Interpreter – California State Parks
Enjoy a fun and engaging sea otter craft with a State Park Interpreter! Draw your very own sea otter and learn how they've adapted to live in the chilly ocean environment.
Turkey vultures in an urban environment - Los Angeles Zoo
In celebration of International Vulture Awareness Day, join us for a live webinar with L.A. Zoo Animal Care specialist Katie Vincent, who will discuss the adaptable and often misunderstood turkey vulture.
Celebrating California Biodiversity with the California Science Center – California Science Center
Explore the Science Center's native plant garden to learn about the diversity of plant species found in the California Floristic Province.
International Vulture Awareness Day interaction with California Condor ambassador - Los Angeles Zoo
In celebration of International Vulture Awareness Day, L.A. Zoo Animal Care specialist Debbie Sears will talk about Dolly, the nation's first California condor ambassador, and her role in the conservation of this critically endangered species.
Story Time: “Condor’s Egg” by Jonathan London - Los Angeles Zoo
Join the Zoo for story time as we share the captivating tale of a California condor pair struggling to protect their egg through a storm.
International Vulture Awareness Day crafts - Los Angeles Zoo
For some interactive fun, check out these online crafts and activities in honor of International Vulture Awareness Day. Using downloadable content, play a vulture memory game, download coloring pages, and create a cool necklace.
Bioblitz of Mount Davidson - California Native Plant Society Yerba Buena chapter
9 AM - 2 PM
Join us as we explore the highest natural point in San Francisco. The diversity of vegetation provides habitat for a wide range of migratory and resident birds, including 18 locally sensitive species. Mt. Davidson’s northeast slope contains coastal scrub and grassland plant communities that are home to two uncommon plant species: California huckleberry and Pacific reed grass. Due to the pandemic, this is a self-led blitz.
California Wild Book Talk: North America's Galapagos: The Historic Channel Islands Biological Survey by Corinne Heyning Laverty - Los Angeles Zoo
Author Corinne Heyning Laverty discusses her book “North America's Galapagos: The Historic Channel Islands Biological Survey” in a live conversation moderated by Greater Los Angeles Zoo Association President Tom Jacobson. With stunning color photographs, Laverty's book recounts in vivid detail the never-before-told adventures of the researchers, naturalists, and explorers who came together in the late 1930s to piece together the human history and biological evolution of California’s eight Channel Islands.
Reptile talk with L.A. Zoo’s Curator of Reptiles and Amphibians - Los Angeles Zoo
Biodiversity activities for kids – Santa Cruz Museum of Natural History
Choose your own adventure! Explore the biodiversity around you through a series of activities for kids — from building tools to aid in your observations to scavenger hunts that showcase the variety of life in your neighborhood.
Nature sketching at Montaña de Oro State Park – California State Parks
Explore the fun and wonder of nature sketching at beautiful Montaña de Oro State Park!
A biodiversity hotspot – California Science Center
A photoblog sharing the beauty and diversity of the California Floristic Province.
Sense Bingo – California Science Center
This activity helps you practice your observation skills. Using those skills, cross off things on your Bingo Sheet that you notice on your walk.
Academy Breakfast Club: California Biodiversity - California Academy of Sciences
Discussion panel about California biodiversity and how you can help collect critical data on where California plants and animals are found w/ California Academy of Sciences' scientists.
Marine Protected Area kayaking tour of Morro Bay! – California State Parks
11 AM – 12 PM
Explore Morro Bay State Park via kayak! Discover Morro Bay's Marine Protected Area (MPA) and learn how MPAs help support biodiversity.
HOTSPOT: Flyover of California’s Birds and Biodiversity - Audubon California
Discover some of the places that make California a biodiversity hotspot, with 450 species of birds. Take a flyover of the four main landscapes Audubon works in: deserts, coast, central valley, and urban rivers. We will reveal why we’ve chosen these landscapes as keys to protecting bird biodiversity in the golden state. Speakers: Andrea Jones, Tania Romero, Matt Allshouse, Haymar Lim, Sandy DeSimone. Please register in advance for this webinar.
Introductory webinar on how to use iNaturalist - Laguna de Santa Rosa Foundation
Not sure how to use iNaturalist, where to find the watershed boundaries, or how to get started? This introductory webinar will give you all the details on how to use the app and participate safely during the pandemic, as well as a fun preview into the biodiversity found throughout the Laguna. Register now to receive information on how to contribute to the Laguna de Santa Rosa Biodiversity Week iNaturalist project, attend the webinar, and share exciting results from the data collected throughout the week.
Launching new CDFA Biodiversity webpage and Biodiversity Day 2020 video with CDFA Secretary Karen Ross - California Department of Food and Agriculture
Pre-recorded, online content
The California Department of Food and Agriculture's Office of Environmental Farming and Innovation (OEFI) is launching its new Biodiversity webpage full of information, resources and videos. Visit the site to learn more and to watch CDFA Secretary Ross's new video on the importance of biodiversity in California.
Facebook Live visit to Point Blue's Palomarin Field Station to see bird banding in action and learn about how we track migratory species - Point Blue Conservation Science
Join Point Blue scientists at our Palomarin Field Station in Bolinas, CA for a virtual visit to not only see wild birds up close and science in action, but also to learn about the tiny devices and evolving methods we use to further uncover the mystery of bird migration. Visit our Facebook event page to RSVP or just hop on to our main Facebook landing page on the day and time of this event and click on the link to join our Facebook Live video stream. We want to hear all of your questions and curiosities too.
Guided hike at Estero Bluffs State Park with an Environmental Scientist – California State Parks
11 AM – 12 PM
Discover beautiful Estero Bluffs State Park! Enjoy a guided hike by a State Park Environmental Scientist and learn about the charismatic black oystercatcher!
Plan(t) for Biodiversity - California Native Plant Society
California is a biodiversity hotspot and your garden can play an important part. We'll take a look at the beauty of California and discuss how native plants are the right plants for your space. Learn about the different palettes of California native plants, how to find the right plants for your garden, and where to buy native plants near you.
iNaturalist Tutorial: Tips for Being a Community Scientist - California Department of Fish and Wildlife, Elkhorn Slough Reserve
Learn how to turn your everyday nature explorations into scientific expeditions! Reserve staff will introduce you to the iNaturalist app and share tips and tools for engaging in community science projects. Tune in on the Reserve's Facebook Page to ask questions or watch the recording afterwards.
Introduction to California's biodiversity and biodiversity scavenger hunt - Grassroots Ecology
To celebrate California Biodiversity Day, we'll be organizing a biodiversity hunt that anyone can join from home. We'll start by meeting virtually, where our staff will do a short introduction to taxonomy, how it helps us to make sense of the amazing diversity of life around us, and why California has such a wealth of different life. Then we'll all head out to look for and observe organisms from distinct taxonomic groups.
Workshop on pollinator biology and conservation - Xerces Society
This is part one of a two-part workshop that will open a window into the fascinating world of California's native bees and butterflies. You will learn about native pollinators' natural history and their importance to our environment and food supply. Please register for this webinar.
Free remote live activities sharing biodiversity – San Diego Natural History Museum
Free-fun for the entire household! Join us for live events:
10-10:30 AM Story Time
10:30-11 AM Animal Movements
11-11:30 AM Build an Insect Home
6-7 PM Virus Diversity: From Coral Reefs to You (advanced registration required)
A peek into desert diversity – California Science Center
Meet some of the well-adapted species found in the deserts of California.
Live interview with Hedgerows Unlimited on science and economics of hedgerows - Wild Farm Alliance
This live interview with Sam Earnshaw of Hedgerows Unlimited, conducted by Tom Willey of T & D Willey Farms, will cover the science and economics of hedgerows, and give farmers the resources they need to install them. Shelly Connor of Wild Farm Alliance (WFA) will introduce the topic and describe WFA’s vision of Hedgerows to the Moon and Back. Tom will help Sam tease out how that could become a reality, based on the benefits we know now (connections between hedgerows and beneficial and pest insects, pollinators, carbon storage as well as many other functions) and what we still need to learn. Join us for this conversation.
Intersectionality of Nature Access, Equity, and Biodiversity - Audubon California
Where is Audubon intertwining environmental equity, nature access, and biodiversity? Join an engaging discussion with leading staff at the Salton Sea, Los Angeles, San Francisco, Fresno, and the Central Valley, to hear how these intersectional issues are critical for protecting our communities and conserving birds across California. Speakers: Pedro Hernandez, Mika Perron, Frank Ruiz, and Casey Arndt. Please register in advance for this webinar.
Sea Otter Fact vs. Fiction – California State Parks
Science Communication Director and Research Scientist for Sea Otter Savvy, Heather Barrett, helps to clarifying sea otter fact from fiction. Viewers will explore the southern sea otter life history, and its critical species information.
Webinar on Bay Area biodiversity and the role of CA State Parks in protecting biodiversity - One Tam
Join the One Tam collaborative as we celebrate California State Parks! This online interactive session will highlight California State Parks Bay Area District staff and their work protecting biodiversity. Come explore biodiversity in the State Parks' Bay Area District, get a peek into work in the field, learn about career paths, and ask questions.
Workshop on pollinator biology and conservation - Xerces Society
This is part two of a two-part workshop that will open a window into the fascinating world of California's native bees and butterflies. You will learn about the straightforward steps you can take to create lasting change in our urban landscapes to help make your home and your community friendly to native pollinators. Please register for this webinar.
Coast to Coast NightSchool - California Academy of Sciences
Learn about coastal ecosystems and biodiversity, including the tidepools of the California Coast! And learn about how you can share coastal nature observations for Snapshot Cal Coast!
California Biodiversity Trivia Night - California Native Plant Society
Gather your friends and colleagues for a night of trivia all about California's biodiverse plants and habitats! Join the Zoom session promptly to have a better chance of being crowned champion at the end of the night.
Western snowy plover conservation at Morro Strand State Beach – California State Parks
Join a Snowy Plover Monitor and learn about this small shorebird that lives amongst the sand dunes. Discover the history of this shorebird and the steps being taken towards the conservation of this species listed as threatened under the Endangered Species Act.
Fire ecology with a State Park Environmentalist – California State Parks
Join a State Park Environmentalist as she discusses how fire works within a forest ecosystem as well as ways to prevent destructive wildfires.
iNaturalist tutorial - San Mateo County Parks
Attend this free webinar with a tutorial on how to use iNaturalist and safe practices to take when visiting parks during the pandemic. This is a self-led BioBlitz with a webinar tutorial to begin. Please register in advance for this webinar.
Green Guardians: How Plants Protect Biodiversity and You Can Help From Home – California State Parks
Join a Project Manager at the CalPoly Herbarium as she takes us on a tour and explores how plants protect biodiversity. She will also share how we can all help preserve biodiversity from home!
Virtual Field Trip on Los Angeles River – University of California Los Angeles, University of California Santa Cruz
Protecting our River is a community engagement project along the Los Angeles River to invite local organizations and community scientists to explore the river's biodiversity. Participants will learn about environmental DNA (DNA that organisms shed into the environment) and take virtual field trips along the diverse habitats. Community scientists are invited to submit pieces of artwork, writing, and creative media to our website to showcase their experiences on the river.
Explore your Neighborhood BioBlitz: Bees, Birds, Bugs, and Butterflies - Los Angeles Zoo
New to bio-blitzing? We've got you covered! L.A. Zoo staff will show you how to use the iNaturalist app to identify and record the biodiversity in your backyard and beyond. Discover your local bees, birds, bugs, butterflies (and more), while also gathering scientifically valuable data on California biodiversity. Make sure to upload your observations to the “L.A. Zoo Neighborhood” project in iNaturalist!
Explore Your Neighborhood BioBlitz: Nature Tries Sit Spot - Los Angeles Zoo
The Zoo's Learning & Engagement team will guide participants through a "Sit Spot" nature activity. Sit spots are important for many reasons. They allow us to engage with a place in a mindful way, using every sense we have. Ideally, your sit spot is somewhere you can revisit often, giving you an opportunity to observe new things over time and build a sense of place and belonging.
Explore Your Neighborhood BioBlitz: Bird Walk Bingo - Los Angeles Zoo
Download our bingo card and go on an exploratory walk in your neighborhood to spot some of your avian neighbors. How many birds can you identify on your card? Make sure to upload your observations to the “L.A. Zoo Neighborhood” project in iNaturalist!
Explore Your Neighborhood BioBlitz: Backyard Pals - Los Angeles Zoo
Get to know the mountain yellow-legged frog, yellow-faced bumblebee, and other California natives through this online activity.
Coastal cleanup on all state beaches in North Coast Redwoods District - California State Parks
Take your family and/or "germ pod" to one of our state beaches and help us collect trash. Don't forget to follow COVID-19 precautionary guidelines and to bring your own water, snacks, gloves, and trashbags.
Bioblitz at Yolo Bypass Wildlife Area - California Department of Fish and Wildlife
9 AM – 12 PM
Celebrate California Biodiversity Day 2020 by participating in an in-person bioblitz at Yolo Bypass Wildlife Area, hosted by California Department of Fish and Wildlife (CDFW)! Registration is required, and this bioblitz will be limited to 20 participants. Participants will meet at 9 AM for a short overview of the bioblitz, and then participants will split into two groups, led by CDFW staff, to explore different parts of the wildlife area. The bioblitz will conclude by noon. All participants will be required to supply and wear a face mask for the duration of the event and maintain physical distancing of at least 6 feet from individuals from different households.
Self-guided iNaturalist bioblitz at Carpinteria State Beach – California State Parks
Celebrate CA Biodiversity Day by joining an iNauralist bioblitz at Carpinteria State Beach. To join please download the inaturalist app and create an account. Any observations of plants or animals made at the park on September 12th will be added to our biodiversity project. This will be a self-guided event.
Book Launch: The Gottlieb Native Garden - Los Angeles Zoo
Join Greater Los Angeles Zoo Association President Tom Jacobson and photograher Scott Logan for the launch of Logan's new book, The Gottlieb Native Garden: An Intimate Wildlife Journey. Logan's
exquisite photography showcases the fauna in Susan and Dan Gottlieb's renowned native urban oasis while also illuminating how gardening for wildlife can attract myriad species to our own backyards and window boxes.
L.A. Zoo's Bird Gardens with Curator of Birds - Los Angeles Zoo
Learn how the L.A. Zoo is helping wild birds - and you can too - in this presentation by Curator of Birds Mike Maxcy. Get a closer look at the Zoo's bird gardens and how they encourage visits by local birds and migratory species.
How to Build Your Own Succulent Garden - Los Angeles Zoo
Create your own succulent garden with this entertaining and informative guided tutorial.
iNaturalist bioblitz at Upper Newport Bay Ecological Reserve - California Department of Fish and Wildlife and Back Bay Science Center
10 AM - 4 PM
Explore the Upper Newport Bay Ecological Reserve while social distancing and identifying plants and animals using the iNaturalist app!
- California Biodiversity Day 2020 iNaturalist project
- California Biodiversity Day 2020 events on iNaturalist
- California biodiversity fact sheet (PDF)
- California Biodiversity Initiative
- California Biodiversity Day Executive Order B-54-18 (PDF) (Governor Edmund G. Brown, Jr. September 2018)
- A Charter to Secure the Future of California’s Native Biodiversity (PDF) (September 2018)
- A Roadmap for Protecting the State’s Natural Heritage (PDF) - part of the state’s California Biodiversity Initiative (September 2018)