The collapse of Central California Coast coho salmon population is imminent, according to a report by the National Marine Fisheries in late December 2009. Numbers of returning coho may be too low to support a viable population.
Protesting Burrowing Owl Eviction
An ongoing controversy over the displacement of burrowing owls in Antioch brought out 40 local residents and others from across the Bay Area on Sunday for a march to protest the eviction and push for better protections for the owls across the state.
Naturalist’s Notebook: Venn and the Art of Hummingbird Identification
In spring, not every hummingbird you see in the Bay Area is the same. John Muir Laws helps us tell the difference between the Allen’s, the rufous, and the Anna’s.
At Home Under the Log
A world awaits discovery under almost any humble log in winter, whether it’s in your backyard or deep in the woods. Lift that log and make some new discoveries. Just be sure to put that log back carefully…
Beyond Jaws
Fast, silent, and deadly, the great white shark has long evoked both fear and awe among those who live, work, and play along the California coast. Yet for all its press–both good and bad–we’ve known remarkably little about the life of this iconic creature. But recent scientific studies using pioneering tracking techniques are finally giving us a better look at the white shark’s wide-ranging haunts and habits.
Naturalist’s Notebook: A Small Bird That Acts Big
Turns out this little songbird is a little fiercer than most.
Rafting Time for Diving Ducks
The great rafts of ducks on San Francisco and Tomales bays, mostly surf scoter, greater and lesser scaup, and canvasback, are a wintertime spectacle. Scoter flocks can range from many hundreds to a few thousand birds. Why do they form these aggregations?
What’s the deal with pelicans’ weird bills?
Can a pelican really hold a week’s worth of food in its bill?
Antioch Developer Evicts Burrowing Owls
Scott and Heather Artis of Antioch have adopted a local community of burrowing owls as their own stewardship project and were looking forward to this year’s nesting season, but in November 2009 the state handed the owls an eviction notice, to make way for a housing development…
Review: Breeding Bird Atlas of Contra Costa County
On the heels of Santa Clara County’s 2007 breeding bird atlas comes Contra Costa County’s companion for north Bay Area birders. This year the Mount Diablo Audubon Society released the Breeding Bird Atlas of Contra Costa County.