Can anyone help with sexing my snakes?

[Jpham33]

I've read that you can sex your snakes visually by looking at their tails. They are both about 2.5 years old. I got them back in June 2014 as hatchlings/juveniles.

I plan to get them probed soon but if anybody can help me out that would be greatly appreciated.

P.s I think that they are both males when I look at their tails

[TRD]

For the mexicana over there I would say it's a male yes, I'm a bit undecided around the nigrita there, I would say male but there's a little voice in me saying no for some reason

[Cyclops]

Pretty sure they are both male. females tail usually don't gradually slope to a point like that.

[Jpham33]

Yup they're both males. I got them checked yesterday