Why do snakes dart out Their Tongues?

Snakes don’t sting or use their forked tongues as weapons. The tongues are perfectly harmless. The tongue is actually an invaluable sensory organ for the snake. It enables the reptile to troll for food (just as a fisherman sticks his line out in the water and hopes for the best), while feeling its way over the ground. It does this by bringing in bits of organic matter that it can smell or taste, alerting it to as potential food source. Some evidence suggests that a snake’s tongue is equally sensitive to sound vibrations, warning it of potential prey or predators.

 

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