During the Bay Area’s damp winters, we can’t afford to be fair-weather hikers. Fortunately, some hikes in the Bay Area are ...

In 1941, two UC Berkeley graduate students recorded 31 species living in a mussel bed on Dillon Beach. In 2019, PhD candidate ...

From Santa Cruz through Humboldt County, find the fetid adder’s-tongue in the moist, shady understories of redwood forests or ...

Restoration dollars from the IRA mark the latest chapter in stewardship across the Cosumnes River watershed, where sandhill ...

In the shallows of south Lake Tahoe, diver Brandon Berry is slurping up clouds of algae with an underwater vacuum cleaner. Snorkeling above, I can hear his Darth Vader breaths better than I can see ...

TO GET TO THE EXCEEDINGLY rare plant called California sea-blite you go down to the east shore of San Francisco on an unmarked industrial road, past warehouses and jumbled rail lines. Cement plant ...

It’s a cool February morning in the San Francisco Bay Area’s Coastal Range. The air smells fresh and mulchy thanks to the recent rain. As you meander down the trail, a persistent tapping sound drifts ...

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Once, not so long ago, there lived a fish in the Galapagos Islands. Its name was Azurina eupalama, the Galapagos damsel; it was not particularly different from any other small rocky reef fish.

The Mission blue butterfly takes its name from San Francisco — the original population was discovered on Twin Peaks, at the time considered part of the Mission — and is the city’s only endangered ...

Grass Pulling = “I threaten you!” Silent Squat = “I am actively ignoring you.” Choking = “We want this place.” Head Toss = “Regurgitate food for me.” Welcome to western gull (Larus occidentalis) speak ...