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Parking the car in front of my house a few weeks ago, I noticed movement across the street. It was a deer—a mature doe, I believe—walking up the sidewalk in the early evening twilight. Aware of my presence, but not … Read more
The Trees of San Francisco, by Mike Sullivan, Pomegranate Communications, 2004, 160 pages, $19.95 (www.pomegranate.com). This is not a book about the native trees of San Francisco. In fact, there are very few trees native to San Francisco, which was … Read more
by John Hart (text) and David Sanger (photography), University of California Press, 2003, 212 pages, $34.95 (www.ucpress.edu). Early European explorers sailed right past the mouth of the San Francisco Bay; blinded by sun or fog, or perhaps the monotony of … Read more
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We humans have evolved to be outside in the daylight. But there are delights awaiting those who venture forth at night. Revel in the cosmic mysteries of the star-filled sky, and open your senses to the shadowy world of nature’s night shift.
Most of the world’s 5,000 or so species of mammals are already nocturnal, so the effect of urbanization on their circadian activity is probably nil. Actually, even the nocturnal animals are mostly crepuscular in activity; that is, they have a … Read more
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Lake Merritt changed dramatically over the centuries, but it still supports estuarine habitat — in addition to the recreation needs of a growing city.
