Actually you just repeated what I said. I never said it would kill them off just said it decimates the numbers which it does. I've seen Iguana die offs like this before but they come back over time. They HAVE NOT however moved any further north. I was just saying that this habitat is NOT near perfect as they hang on here but never really prosper because of the cold. This is also true of the American Crocodile as here is the northern most part of their range and many of those died here as well. All these tropical species have a toehold here but if we ever had two or three really unusually cold winters back to back it might even extirpate certain species forever. It is however a Florida problem and even here the southern third of the state primarily for most species..
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Tom Crutchfield
www.tomcrutchfield.com

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