A snake named San Francisco: Endangered Bay Area serpent is a survivor

A snake named San Francisco: Endangered Bay Area serpent is a survivor – San Francisco Chronicle
The San Francisco garter snake is both a stunner and a survivor, its habitat shrunk to alarming extremes by encroaching urban sprawl. The snake lives only in the Bay Area, its highest profile home flanked by a freeway overpass, PG&E transformers, and the San Francisco International Airport. It has been name-checked by Ronald Reagan. It’s been on a stamp.