Great Basin Rattlesnake
This
subspecies reaches a maximum size of 30" to 54". It's blotches are
usually clearly defined with dark edges and lighter centers. Coloration is
variable and ranges from off white to shades of yellow, tan, gray, light pinkish
or purplish-gray. Facial markings include dark bars with light colored edges
that extend back from the eye to the corner of the mouth. This snake on found in
the Arizona Strip (Northwestern AZ in Mohave and Coconino Counties).