
Spotted and photographed on Ring Mountain, Corte Madera, by David Loeb, April 19.

Spotted and photographed by David Loeb, North Peak Trail, Mount Diablo State Park, April 20.

Spotted and photographed on the Maguire Peaks Loop, Sunol Regional Wilderness, by Harold Poskanzer, April 20.

A blue heron cam will be watching the majestic birds nest on Stow Lake this year to aid in research and public education.

Spotted and photographed on San Bruno Mountain by Lech Naumovich, April 15.

The Galapagos damselfish exists only in the specimens collection at the California Academy of Sciences in San Francisco, the victim of an unusually strong El Nino. Thoughts on the fish, and its lessons in a changing world.