We saw this swimming across a lake in Arkansas on Sunday. It was at least 6 ft long and did not dive under.

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We saw this swimming across a lake in Arkansas on Sunday. It was at least 6 ft long and did not dive under.

That is obviously the loch ness monster. 
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Josh Willard
www.joshsfrogs.com
It's kind of hard to see from the photo, but based on that and your description of its length, I'd guess that it's a coachwhip.
~ Aaron
These guys are wrong its a black rat snake.
zach
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