This snake is often mistaken for the prairie rattlesnake .
This snake can be easily distinguished from a rattlesnake by the lack of black and white banding on its tail , and by the shape of its head which is narrower than a rattlesnake 's .
This snake is often mistaken for the prairie rattlesnake but can be easily distinguished from a rattlesnake by the lack of black and white banding on its tail , and by the shape of its head which is narrower than a rattlesnake 's .