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California Academy of Sciences @calacademy.bsky.social

For #CaliforniaBiodiversityDay, we’re challenging you to observe & identify at least 30 species of plants, animals, or fungi.

A composite illustrated image shows a woman leaning down to photograph cutouts of poppies. Text reads “September 7 is California Biodiversity Day… but we’re celebrating all week, September 6-14.” A separate text box reads “Join us & find at least 30 species on iNaturalist this week.” Various animal and plant cutouts are scattered on the page, including the logo for CABD. Illustrated Image titled “California: The Biodiverse State” shows an orange drawing of the California state outline, with various bird, mammal, and plant species scattered throughout the page. Text box shows three bullet points reading: “At a glance: Over 30% of the nation’s plant & vertebrate species occur in CA. One of 36 biodiversity hotspots in the world. Highest number of rare, imperiled, & endemic species.” A bottom subheader in handwritten text reads “YOU can help protect our amazing ecosystems→”
aug 31, 2025, 3:54 pm • 2 1

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California Academy of Sciences @calacademy.bsky.social

Between Sept. 6 - 14, join the ‘Find 30 Species’ project on iNaturalist to participate.

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aug 31, 2025, 3:54 pm • 2 1 • view
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California Academy of Sciences @calacademy.bsky.social

California is a biodiversity hotspot—and YOU can help protect our amazing ecosystems.

Collage image titled, “THINGS YOU COULD SEE,” shows cutouts of several vertebrate species observed in California, including a bear, a seal, and coyotes and bobcats. Text bubble reads “1,000+ vertebrates.” Collage image titled, “THINGS YOU COULD SEE,” shows various invertebrate species in cutout form, including butterflies, slugs, nudibranchs, and beetles. Text bubble reads “Tens of thousands of invertebrates.” Collage image titled, “THINGS YOU COULD SEE,” showing cutouts of several birds observed in California. A speech bubble emerges from one of the birds saying, “600+ bird species.” Collage image titled, “THINGS YOU COULD SEE,” shows cutouts of many plants and flowers. Text bubble reads “6,500+ native plants.”
aug 31, 2025, 3:54 pm • 7 1 • view
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California Academy of Sciences @calacademy.bsky.social

Swipe for more information about the challenge, upcoming events, and #CABD celebrations!

This page is illustrated with text and collage-style cutouts of plants. Text title reads “Other ways to support California biodiversity (this week and beyond):” and includes 5 bullet points of text. Instructions include: encouraging viewers to participate in stewardship activities (weeding or clean-ups); creating robust habitats by gardening with native plants; discovering nature around you by using iNaturalist; supporting Indigenous stewardship & sovereignty; making room for native pollinators by reducing pesticide use.” Illustrated image is titled “MORE INFO:” and includes several links with additional information and events. Animal and plant cutouts are scattered throughout the page. Text reads: “Cal Academy info:[bit.ly/CABD25](http://bit.ly/CABD25) . Find 30 Species: [bit.ly/2025find30](http://bit.ly/2025find30) . Events map: [bit.ly/EventsCABD2025](http://bit.ly/EventsCABD2025)
aug 31, 2025, 3:54 pm • 4 0 • view