A vibrant sea creature, likely a nudibranch, is nestled among underwater plants and sand. It has bright orange, feathery appendages and a striking blue head, creating a vivid contrast against the muted browns and greens of the surrounding seaweed and seafloor. The creature's delicate structure and vivid colors make it stand out in its natural habitat.
What is in the Tidepools

What’s in the Tidepools? – April 2025

(Retiring Hairy Crab – NPS Photo/R. Streeper) Here is a sampling of what our volunteers observed during this last month of the tidepool season — thank you to everyone who contributed. The Black Sea Hares and their eggs did not disappoint visitors. Remember to send in your photos; we truly appreciate sharing them with everyone. Don’t forget to visit the Tidepool Videos page and our YouTube page. … Continue reading What’s in the Tidepools? – April 2025

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A woman with long, red hair wearing a black t-shirt that says in white writing "she can change the world" sits and leans forward over her knees, smiling confidently at the camera. Framing her are different types of instrumentation.
CNMF, Continuing Education

Naturally Speaking Series – Risky Business – Life Along an Active Plate Margin

California is known world-wide for its lofty mountains, cliff-lined beaches, and sweeping vistas, but the geologic processes that created this spectacular scenery can also threaten the lives and livelihoods of the nearly 40 million people that reside within the state. In this talk Dr. Wendy Bohon, Branch Chief of Seismic Hazards & Earthquake Engineering for the California Geological Survey, explores the faults of California and … Continue reading Naturally Speaking Series – Risky Business – Life Along an Active Plate Margin

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A flyer with event information features four images. Upper left - A person photographing a bush with pink and white flowers. Upper right - two individuals talking to a group about an electronic device, who are each wearing a headlight and orange and yellow vests, respectively. Lower left - An NPS park ranger and staff at a table with check-in materials and a "National Park Service" tablecloth. Lower right - a yellow and black bee on a plant with green leaves and pink buds.
Cabrillo, Events, Volunteer

City Nature Challenge BioBlitz

It is BioBlitz time! Cabrillo National Monument is joining The City Nature Challenge by hosting a BioBlitz at the park! Description: On Saturday, April 26th, Cabrillo National Monument is hosting a BioBlitz! Spend the day, during regular park hours, documenting incredible biodiversity using the iNaturalist app. iNaturalist is a platform where people share audios or photos of living organisms through submissions called observations. A BioBlitz … Continue reading City Nature Challenge BioBlitz

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A small, colorful sea creature, likely a type of nudibranch, is clinging to a green aquatic plant. The creature has a translucent body with numerous bright orange-tipped appendages, giving it a spiky appearance. The background is a blurred mix of green and brown, suggesting an underwater environment with various plants and possibly coral.
What is in the Tidepools

What’s in the Tidepools? – March 2025

(Kellet’s Whelk – NPS Photo/S. Kristiansen) Here is a sampling of what our volunteers observed during this busy month — thank you to everyone who contributed. Remember to send in your photos; we truly appreciate sharing them with everyone. Don’t forget to visit the Tidepool Videos page and our YouTube page. Enjoy the virtual visit through the tidepools. Continue reading What’s in the Tidepools? – March 2025

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