Male or Female?

[bubabi]

Hi there ,

Hope you passed a wonderful weekend =)

To my Question: I keep 2 lovely Garter snake(Thamnophis Ordioides).

They are 2 Years Old, but I still dont know which sex they are...

I took some Pictures of the tail hope it helps :S I m really wondering cause I ' d like to breed them when they will be Old enough(when would that be x)?) First one :

Sry for my english I m a Swiss guy =)

There is the tail of the second one 2.