Yup. Crotalus viridis viridis are aptly named for their greenish coloration.
Here's another shot which shows their greenish tinge.
Oh btw Lisa, I doubt the roads have much improved cos they still do throw you off to the ditch if you go too fast. Seems as if you've angered the Gods of Saskatchewan roads!
The Herp Room
"The day I tried to live, I wallowed in the blood and mud with all the other pigs" - C. Cornell