Our racers in Tennessee seldom climb, either- in fact, I can't recall ever seeing a racer in a tree here. Ratsnakes and rough greens, of course, and the occasional black king, watersnake, or copperhead is about all you're likely to find in trees here.

We have arboreal lizards here, but not in anything like the density they reach in Florida.

BTW, did anyone see Burbrink et al.'s new paper on racer systematics? They didn't make any taxonomic recommendations, but they found the peninsular Florida racers were distinct from other southeastern populations.

Cut and paste to see paper:
http://www.cnah.org/pdf_files/954.pdf

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