What Snake is this?

[dwoodward]

Originally Posted by TXRebel

Plains Garter Snake?

It would seem it is certainly some sort of Garter Snake, they are all over up here. However, i have never seen one with red checkered markings on it's back. Hence why i'm curious what exactly it is.

I looked at the game fish and parks website for list of native snakes and none of them have the markings this snake does.