Warm Springs Unit Expansion
With no April showers, the largest vernal pool in the Warm Springs Unit of the Don Edwards San Francisco Bay National Wildlife Refuge in Fremont was nothing more than a...
Science and Nature
Marine Protected Areas Update
Find out the latest on California's effort to establish some of the strongest marine protected areas in the world.
Flocking to the Island of Angels
Cut off from land for thousands of years, the Bay’s largest island is a natural and cultural gem just a ferry ride or paddle away from city life.
Summer Fog
After a few sweltering days, the fog is back in San Francisco. Find out why.
Letter from the Publisher
No one can accuse me of being an early adopter—the kind of person who rushes to embrace new technologies. I didn’t get my first computer until 1991, I don’t have...
Naturalist’s Notebook: Summer Brings Terns and Skimmers
Summer brings a diversity of terns and skimmers to San Francisco Bay.
Callippe Silverspot, a Rare and Endangered Native Butterfly
The endangered callippe silverspot butterfly was once common, but now it's found only on San Bruno Mountain, one of the world's hot spots of biodiversity and a spectacular bit of...
Video: Tracking the Migration of Monarchs
The Ventana Wilderness Society follows the amazing journey of monarch butterflies.
Video: Saving San Francisco Bay
From the state of California's infancy, our relationship to San Francisco Bay, the most urbanized estuary in the United States, has been a complex one.
Watching for Blue Bellies
We've all seen these plentiful little lizards flitting about our trails. Did you know they're a critical food source and even help protect you from Lyme disease?
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