One of the rarest and most endangered subspecies is the San Francisco garter snake, T. sirtalis tetrataenia, only located in a small region in northern California. Other notable subspecies include ...

We've built a campaign to re-establish a unique backbarrier lagoon habitat at Sharp Park in Pacifica, California — public land that's a significant habitat for the garter snake as well as its ...

The giant garter snake is one of North America's largest native snakes, reaching up to 64 inches in length and endemic to California's Central Valley, where it originally inhabited natural wetlands.