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leftoflarry
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PostSubject: More Trivia   Tue Jun 26, 2012 2:42 pm

Ok, all you breeders out there, here's an easy one:

True or False:

All of our native species of venomous snakes in Virginia lay eggs.

Bonus question:

What are the venomous species of snakes in Virginia?
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Grymm
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PostSubject: Re: More Trivia   Tue Jun 26, 2012 3:53 pm

False

Timber Rattlesnake
Northern Copperhead
Eastern Cottonmouth
Eastern hognose (not poisonous but is venomous)

Those are all the ones i can list off the top of my head not sure if there are any more
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fuzz
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PostSubject: Re: More Trivia   Tue Jun 26, 2012 4:02 pm

false copper heads have live birth(Agkistrodon contortrix)an I think that the cotton mouth does also (Agkistrodon piscivorus) eastern diamondback rattlesnake not really sure but think they do to is it called ovoviviparty? hope i spelled it right

So we have Copper head,Cotton mouth,an eastern diamondback, is there a pymgy rattlesnake
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leftoflarry
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PostSubject: Re: More Trivia   Fri Jul 06, 2012 10:13 am

You guys are both correct in the first part:

It is false, our pit vipers give birth to live young, it's called ovoviviparity (although, there are different types of ovoviviparity), but that is the general term used. The difference between this and viviparity is that the eggs remain internal in these snakes. Unlike placental mammals, where the mother is attached through the placenta to the fetus, these guys are completely independent of their mother, except that they are protected inside of the mother, but no energy is exchanged between them. They still have a yolk sac.

The 3 venomous snakes in Va are
Agkistrodon piscivirous (Eastern Cottonmouth)
Agkistrodon contortrix mokasen (Northern copperhead)
Crotalus horridus horridus (Timber Rattlesnake)

Although technically venomous (slightly anyway), the western hognose snake is not considered dangerous. We do not have any Eastern diamondback rattlers in virginia.
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Focal
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PostSubject: Re: More Trivia   Fri Jul 06, 2012 10:22 am

Good stuff to know, thanks! I'm still trying to pronounce ovoviviparity Facepalm
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jw
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PostSubject: Re: More Trivia   Fri Jul 06, 2012 10:52 am

It's interesting how some of the rumors get started and perhaps fueled. For example, that of the Eastern Diamondback Rattlesnake in VA:

In 1927 Brady, M.K. published an article in Copeia, titled "Notes on the reptiles and amphibians of the Dismal Swamp". Within this article he listed the eastern diamondback rattlesnake as a possible member of the herpetofauna of the swamp, although he saw no specimens.

In 1964 an eastern diamondback was seen in Dickerson Co. This specimen turned-out to be an escapee from a religious snake-handling group.

In 1984 Fay, L.P. published an article in special publication of the Carnegie Museum of Natural History. Within the article, Fay announced the discovery of a fossilized eastern diamondback rattlesnake vertebrae found in Augusta Co. It took a few years but Ernst and Barbour discovered that the vertebrae identified by Fay had been misidentified and was that of a timber rattlesnake and not an eastern diamondback.
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fuzz
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PostSubject: Re: More Trivia   Fri Jul 06, 2012 11:46 am

Hey I gave it a shot!
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leftoflarry
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PostSubject: Re: More Trivia   Fri Jul 06, 2012 2:19 pm

fuzz wrote:
Hey I gave it a shot!
Yup and the point for this forum here is to educate the public. So now you know!!! Smile

cheers cheers cheers
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Bobbykaizer
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PostSubject: Re: More Trivia   Fri Jul 06, 2012 2:45 pm

yep false. and i have many cottonmouths and copperheads where i live. one thing you dont wanna run into is a baby cottonmouth while your gardening. my mom almost got bit by a sub adult c.m. the other day. scared the mess out of her.
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Don
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PostSubject: Re: More Trivia   Fri Jul 06, 2012 3:21 pm

Also, if I remember correctly the Timber Rattlesnake is found mostly in the western part of the state. True?
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leftoflarry
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PostSubject: Re: More Trivia   Fri Jul 06, 2012 3:48 pm

The distribution of Timbers is mostly in the western part of the state, with a subpopulation of canebrake variants in the southeastern part.
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Jaded_Heart
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PostSubject: Re: More Trivia   Fri Jul 06, 2012 8:53 pm

The Canebrake is considered Endangered, is that correct?
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jw
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PostSubject: Re: More Trivia   Mon Jul 16, 2012 9:37 am

Jaded_Heart wrote:
The Canebrake is considered Endangered, is that correct?

Yes. For additional information on the canebrake see: http://www.virginiaherpetologicalsociety.com/reptiles/snakes/timber-rattlesnake/FinalCanebrakeConservationPlan2011.pdf

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