Not a great shot, sticks in the way.
I didn’t think it prudent to go moving leaves and twigs around. They are fine as long as you don’t go poking them.
It is one of the world’s few semiaquatic vipers (along with the Florida cottonmouth), and is native to the southeastern United States. As an adult, it is large and capable of delivering a painful and potentially fatal bite.
Cottonmouth in a local swamp.