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Bob Walker was a passionate defender of Bay Area open space and a brilliant landscape photographer with an amazing eye for light and shape. A former chair of the San Francisco Chapter of the Sierra Club, Bob was also a … Read more
Late fall and winter are the time to witness the return of endangered coho salmon to their natal streams in west Marin. After many years of declining populations, this spectacular fish finally received listing as an endangered species in 1996. … Read more
It’s time to make your reservations to witness one of local nature’s most dramatic spectacles: the annual return of the world’s largest mainland breeding colony of Northern elephant seals to Año Nuevo State Reserve on the San Mateo coast. Weighing … Read more
For most of the nearly four years it has taken to turn BAY NATURE from an idea into the magazine you now hold in your hands, I worked out of my house in north Berkeley. Could be worse: there’s a … Read more
Lake Merritt changed dramatically over the centuries, but it still supports estuarine habitat -- in addition to the recreation needs of a growing city.
That depends on what you mean by hibernation. All but one of the Bay Area’s 13 species of bats are capable of hibernating; the exception is the abundant Mexican free-tailed bat. But according to bat rehabilitator Patricia Winters, “No bat … Read more
Over the past 16 months, there have been three separate sightings of the Shy Albatross(Thalassarche cauta) off the coast of northern California. These very large (nine-foot wingspan), powerful seagoing birds breed on rocky islands off the coasts of Tasmania and … Read more
In five coastal counties of central and northern California, thousands of oak trees are dying. The cause of this increased mortality in coast live oaks, tan oaks, and black oaks is not yet fully understood, but the syndrome seems to … Read more
San Francisco Bay presented a thrilling—yet possibly lethal—mystery to a young Spanish captain as he sailed up to probe the entry to the Golden Gate for the first time on the morning of August 5, 1775. Juan Manuel de Ayala … Read more
The air over Cullinan Ranch is cool and moist. Only the faintest gray line marks the location, south across San Pablo Bay, of the East Bay hills. The wetlands here, just north of Route 37, bear imprints of human use. … Read more
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