In our previous article on snakes we described how many of the adder family used infra-red or heat-sensing to track their mammalian prey. Two researchers from the Wits University have discovered that these snakes also use their tongues to lure amphibian prey to within striking distance. Not being herpetologists we feel that we could not improve on what appears in the link article!

A puff adder scenting with its tongue (Image off internet courtesy of venomous

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