Exploring Nature in the San Francisco Bay Area
Fall Issue 2007

Presumed Extinct

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 have they? Prompted by rediscoveries of lost species in Solano and Contra Costa counties, we decided to see what other missing flora and fauna might still be out there, awaiting a patient observer.