Sonora Semiannulata is a species of snake that is also known by several other names. Some of the synonyms for this species are the Western Ground Snake, the Western Striped Ground Snake, and the Sonoran Ground Snake. These snakes are usually found in the western regions of North America, such as California, Arizona, and New Mexico. They are relatively small in size, typically ranging from 10 to 20 inches in length, and are non-venomous. Sonora Semiannulata snakes are often found in grassy areas and can be identified by their distinctive striped pattern. These snakes play an important role in controlling pests like rodents and insects in their natural habitats.