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rattle snakes
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by Bandit1 on July 20, 2005
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yes i am just starting on the sexing thing any and all info on how to properly sex a rattle snake would be greaty appreciated
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RE: rattle snakes
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by Snake18 on July 20, 2005
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If you are probing them this how you know: if it`s a male the proe will go in about 8 scales and if it`s a female it will go about 3 scales. Hope this helps.
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RE: rattle snakes
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by SwampY on July 21, 2005
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Depending on species you could count the subcaudal scutes past the vent.
For example, EDBs will have 20-25 scutes if they are female and 26+ if they are male. (almost every female I've counted has exactly 20)
This doesn't work as well for some because there is some overlap in some species. For example in horridus males have 20-30 scutes, females have 13-26. So a snake with 18 would definitely be a female, but one with 24 would need to be probed, while one with 30 would definitely be a male.
What species are you working with, I have counts for nearly all of them.
If you don't want to hold the snake to do this you can always wait and use its next shed with this method
Chad Minter
Author
Venomous Snakes of the Southeast
http://www.envenomated.com
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RE: rattle snakes
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by SwampY on July 21, 2005
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contortrix has 37-57 subcaudal scutes, with no sexual differences according to Ernst. They are pretty easy to eyeball most of the time though from the shape of the tail just past the vent. Just remember the boys have a bit of a bulge.
The tricky part is probing them, you have to angle the probe forward for just a bit, then turn and go back. It's very very easy to miss the sheath and end up accidentally probing a male as female.
Chad Minter
Author
Venomous Snakes of the Southeast
http://www.envenomated.com
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