The ability to visually sex snakes, especially adult specimens of Elaphe (rats) and Lampropeltis (kings), is easily accomplished by someone with experience - that is true.
Have your friend line them up vertically so the cloacas are side by side.
Study their profiles for girth and length comparison.
I bought rat snakes and kingsnakes from him, and I don't think he even knows what a sexing probe is.
snake seller that he can sex snakes with complete accuracy just by looking at their tails?
He was looking for a glaring difference, not a subtle one.
If people can determine human gender from hundreds of feet away, their eyes are more than sharp enough to spot the sexual difference in tail sizes of mature colubrid snakes.
Have your friend stand about 10 feet away from you.
The lower halves of each snake should hang down freely with the snakes' bellies facing you.
But have you ever tried to play it with a nice babe doing a full strip tease in the background.
The funny thing is that he was 100-percent correct about the ones he shipped to me. He said the tails have different shapes that can be easily seen, but they look the same to me.
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