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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...
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...
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...
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 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,...
Still trying to sort through the confusion of rocks and minerals that make up the Bay Area? Then you might want to visit the Menlo Park offices of the U.S....
On the edge of the tidal marsh fringing Suisun Slough, a streaky dark-brown sparrow gleans seeds of tules and other rushes from the exposed mud. A shadow passes: a northern...
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...
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...
This article was the first nature article published by Bay Nature cofounder David Loeb. It originally appeared in Terrain, the magazine once published by the Berkeley Ecology Center. The small pond sits deep...
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