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The Pacific Coast north of San Francisco is justly renowned for its scenic beauty. It is also geology writ large, where evidence of powerful forces still at work on our region is exposed at many places. Goat Rock State Beach … Read more
Awareness of nature isn’t just an exercise for the eyes. As summer approaches, I listen for the return of the haunting song of the Swainson’s thrush. Perhaps you’ve heard it, too, while on an early evening walk in late May … Read more
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The Blackhawk Quarry in Danville points to a time, nine million years ago, when the Bay Area was inhabited by elephant-like browsers, herds of three-toed horses, packs of bone-crunching dogs, and an eight-foot-long-sabertooth salmonid, Where did they all go?
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Rarely seen and, until recently, poorly understood, bats are a significant component of the Bay Area’s natural environment. Now, researchers are filling in the gaps by studying several of the area’s most at-risk species.
Over 200 years ago, Swedish naturalist Karl von Linne (or, as he Latinized the name, Carolus Linneaus) devised a system for classifying all living things based on anatomical structures. Although Linneaus lived before Darwin, his method presaged later concepts of … Read more
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Mount Tam’s Steep Ravine and Dipsea trails take you from conifer forest to open slopes to sandy beach. And, best of all, when you take the bus and not your car, you don’t have to walk back uphill afterwards.
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A hike on the Hazelnut Trail at Montara Mountain leads you through several scrub communities and straight into a botanical puzzle.
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The vast expanse of rugged country east of high-tech Santa Clara Valley, crowned by the Bay Area’s highest peak, has been a refuge for wild species—humans included—for a very long time.
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The oak-dotted, rounded hills of Contra Costa and eastern Alameda counties are a familiar sight, but do you know how they got to be that way?
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One measure of the ecological richness of the Bay is its role as a major nursery for five resident species of sharks.
