Weighing in at almost 5,000 pounds, measuring over ten feet across, infested with scores of parasites, carrying more eggs than any other vertebrate, and shaped like a giant dinner plate,...
Most summers, cold northerly winds off the Pacific Coast drive warm surface waters away from the shoreline and churn up colder, nutrient-rich waters from below. But this year, for reasons...
In Schooner Bay, Drakes Bay Oyster Farm grows oysters and clams, producing 85 percent of the shellfish raised in Marin County. Point Reyes National Seashore, the company’s landlord, has long...
A field guide to help Bay Area naturalists in their search for local, lost species that are presumed extinct.
From the snowdrifts of Siberia to the labs of UC Davis, assistant research professor Vladimir Pravosudov has studied the food-caching behavior of various birds, including Russian birds that cache up...
To us, the San Bruno elfin butterfly, with its one-inch wingspan, seems small, but to the ants that protected it during its larval stage, it must seem a giant. On...
San Francisco Bay is also home to eelgrass beds, two-thirds of them in the shallow waters off the North Richmond Shoreline. And eelgrass is only one important component of the...
Mention extinct species, and most people think of long-gone mastodons and saber-toothed tigers. But we know that some Bay Area species have disappeared in just the last 200 years. Or...
Contrary to common notions of autumn as a season of dying back, our fall rains often herald new beginnings. That’s especially true this fall at Edgewood County Park and Natural...
As we report in The Checkerspot Comes Home, Coyote Ridge southeast of San Jose is one of the last refuges for the endangered bay checkerspot butterfly. A good deal of...
Independent, nonprofit environmental journalism connecting people with nature in the San Francisco Bay Area.
