What key characteristic defines the distribution of the Western Fox Snake (*P. vulpinus*) compared to the Eastern Fox Snake?

Answer

It occupies a more westerly slice of the Great Lakes basin

The Western Fox Snake tends to occupy a more westerly slice of the region defined by the Great Lakes basin, while the Eastern Fox Snake occupies a more confined, eastern distribution.

What key characteristic defines the distribution of the Western Fox Snake (*P. vulpinus*) compared to the Eastern Fox Snake?
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