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RE: As Promised - Cottonmouth Range Map
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by SwampY on June 26, 2006
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Cro - That's AWESOME Thanks!
A gift for you - there is one record in the herp atlas project of a coral on Jekyll Island, it was caught by my childhood karate teacher. He told me about it when I was 14 years old. 15 years later John Jensen and I were talking about corals on barrier Islands and he said there'd never been a record of one. I remembered the conversation and got him in touch with the guy. Luckily he'd given it to a professor and they still had it in their preserved collection.
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Brian - Here are references to back up what I have shaded
Georgia State University's preserved collection, Gloyd & Conant's monograph, and S. Grahams paper on cottonmouths from the flint river watershed.
:-)
Chad
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RE: As Promised - Cottonmouth Range Map
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by BWSmith on June 27, 2006
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You consider one preserved Douglas County Specimen a "Well Documented Population" as you indicated on the map?
Having a larger copy of the map would also be nice as the county names are illegible.
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RE: As Promised - Cottonmouth Range Map
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by SwampY on June 27, 2006
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<?php
if $poster = BWSmith
echo ""
elseif $poster = Anyone Else
echo "$reply"
?>
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RE: As Promised - Cottonmouth Range Map
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by Heterodon on September 6, 2007
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The range map looks good to me. The Douglas County record is a very old pickled specimen from the late 1950's from the GSU collection. I've revisited the site once and didn't find any. However, access really sucks there (at least one "tresspassers will be shot" sign noted). For anyone intersted: Annewakee Creek right where it dumps into the Chattahoochee. Good luck. Try to find a beaver marsh and look there. You might get lucky and find one in the creek itself.
Anyone ever try to find them in Floyd? All herp biogeography rules are suspended in that part of Georgia and adjacent Alabama.
The Camp Creek/Flint River population is definately extant, and very dense. Someone mentioned it's not like Coastal Plain populations and I would have to agree though in the opposite direction--they are more dense here than any coastal plain population I've ever experienced save possibly one. Dare I beg ya'll not to overcollect from this area as it is part of a continuing mark-recapture/behavioral study (probably through 2010)? Staying above Hwy 54 would be much appreciated.
I'm not sure about any populations in Clayton or Fulton north of there, though I have heard rumors and anecdotes from folks who knew the difference between water snakes and cottonmouths, so it wouldn't surprise me.
One more comment: the island snakes. I did some extensive field work on Sapelo and I've seen the collections there. The Micrurus in that collection was not actually collected on Sapelo itself but from the mainland just across from the island. Micrurus has only been documented on Ossabaw. And as far as I'm aware, no Sistrurus have been documented from any barrier island in GA. Anyone who has seen them should get a photo voucher deposited in the UGA museum and publish it as a herp review note, since our knowledge of barrier island herp distribution is fairly cruddy. Adamanteus and cottonmouths are known from most of the islands, and they can be found in the saltmarshes too. Horridus and contortrix are mysteriously absent from most, even though I've seen copperheads on a barrier island in South Carolina. Florida barrier islands are thick with Sistrurus. Very weird.
For the state of the art in Georgia barrier island herp distribution data, see
Laerm et al (2000) Biogeography of amphibians and reptiles of the sea islands of Georgia.
Florida Scientist Vol. 63 193-231.
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