Driving Home the Butterfly
The endangered Mission blue butterfly flies again on Twin Peaks, thanks to a dedicated six-year transplant effort that might be in its last year.
In the San Francisco Bay Area, slices of nature pop up in unexpected places.
The endangered Mission blue butterfly flies again on Twin Peaks, thanks to a dedicated six-year transplant effort that might be in its last year.
San Francisco gardeners should take heart. There's enough native bees around to do your pollinating.
The idea of recording as many mammals as you can see in 24 hours hasn't caught on the way the birding big day has. But when a team of longtime biologists set out into the field, their efforts netted them some important new information about Northern California's wild mammals -- and a new North American record.
Oxalis provides a delightful burst of yellow color in the spring. Also, it's eating the entire Bay Area alive.
David Schooley and San Bruno Mountain Watch have done much to save San Bruno Mountain. Now they want to share it with the world.
UC Berkeley professor Carolyn Finney explains why environmentalists should support biodiversity — and racial diversity.
A Presidio Trust biological science tech spotted a gray fox near the Batteries to Bluffs trail on Wednesday, the first recorded in the Presidio since 2004.
Coyotes have been remarkably resilient and tenacious, surviving—thriving, even—in our midst as a relict and a messenger from a much wilder California.
This is no mere Internet meme: the City of San Jose has a burrowing owl preserve, with hidden cameras, and it is spectacular.
With San Francisco's Mountain Lake once again clean enough to support native species, its managers are reintroducing the basic building blocks of a healthy ecosystem.