
Eighteen months after a fire, what to look for on Mount Diablo

San Francisco gardeners should take heart. There’s enough native bees around to do your pollinating.

Bay checkerspots are making a comeback at their ancestral home in the midst of the San Francisco Bay Area megalopolis.

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…

Oxalis provides a delightful burst of yellow color in the spring. Also, it’s eating the entire Bay Area alive.

The road to hell is paved with good intentions — or sometimes, with milkweed.