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In message <9604082034.AA29728@lepomis.psych.upenn.edu> writes:
> Rob Meyerson wrote:
> > FYI, up until one hundred years ago (or so) there were alligators in
> > Virginia, showing that the group can be relatively adaptable to colder
> > climates.
There is an report in the literature of an alligator surviving as far north as
Ohio and Pennsylvania through winters in which ponds actually froze solid. The
Pennsylvania alligator made it through 5 winters like that as long as it could
maintain a breathing hole. Note, this is without an underwater burrow, the
usual method of surviving freezing in Louisiana etc. The young alligators do not
handle the cold well at all so this is an unusual occurance ... but, it does
show that largish reptiles do surprisingly well in truly cold climates.
Dept. of Biol. Sci.
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