Photos by Chris Brown

Scientific name: Pituophis catenifer annectens

Common name: San Diego Gopher Snake

Size: 31.5-55.5 in (80-141 cm)

Distinguishing characters: A large species; yellow or cream dorsum becoming orange-tinted toward tail; black or brown dorsal blotches on body; widely spaced on tail; smaller blotches on sides; venter yellow or yellow-orange, pinkish toward tail; faint mottling on venter especially tail; dark line across head between orbit of eyes; orange or brick colored eyes with round pupils; dorsal scales keeled.

Juveniles: Similar to adults.

Dimorphism: None

Similar species: Arizona elegans: Has smooth scales; countersunk lower jaw; single anal plate. Hypsiglena torquata: Has flat head; white labial scales; vertical pupils.

Additional notes: A large species that may hiss loudly, flatten head, vibrate tail, and strike when annoyed, appearing as a viper. Usually becomes calm when handled. Widespread in most habitat types. This species is an oppurtunist and generalist, it can be active any month of the year and any time day or night.