Anadromous Fish Symposium The Center for Ecosystem Mangement and Restoration (CEMAR) and the Oakland Museum are sponsoring a symposium on November 14-15 on “Salmon and Steelhead in Your Creek: Restoration...
Q: What’s the difference between bird songs and bird calls? [L.R., Santa Clara A: Bird song, usually produced by the male, is an advertisement of territory and breeding availability, and,...
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,...
Best known for its topknot and characteristic call—”chi-ca-go”—our state bird, the California quail, was recently named “Official Bird of the City of San Francisco.” Once abundant and an important food...
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...
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...
The largest concentration of raptors in the Pacific States occurs over the Marin Headlands every fall when tens of thousands of hawks, falcons, and eagles are on the move. From...
Springtime is mating time, and the Bay Area provides its residents with a splendid opportunity to view the new families of one of our most majestic birds—the great blue heron....
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...
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...
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