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Nerodia sipedon sipedon
An adult Northern Water Snake. A snake's tongue is used to collect information about it's surrounding environment which allows it to find food and to communicate with other snakes through pheromones. When flicking it's tongue in the air, the snake is actually collecting molecules which are then deposited into the Jacobson's organ (vomeronasal organ) located on the roof of the snakes mouth, which then processes the chemical messages.
Edge of pond near vegetation.
Spotted on Jun 14, 2013
Submitted on Jun 14, 2013
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