What is the San Francisco garter snakes nickname?

The San Francisco garter snake is commonly nicknamed the "rainbow snake" due to its vibrant coloration, which includes bright blue, green, and yellow stripes. This striking appearance makes it one of the most visually appealing snakes in North America. Additionally, it is often referred to simply as the "garter snake" in the context of its family, but its unique colors set it apart from other garter species.