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Snakes Find a New Source of Toxic Food


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A 'keelback' snake takes a defense posture. A. Savitzky

Most keelback snakes eat toxic toads and store the toxins from the toads in their neck glands to use in defensive behavior. USU Biology Professor Al Savitzky and colleagues have found the diet of some snakes is primarily non-toxic earthworms but those snakes supplement it with firefly larvae, which contain the same toxin as the toads.  

Read the full story here.
Read the PNAS article here.