| How do toxic critters avoid poisoning themselves? | ​ ​Rat | Science World™ - BACKUP

| How do toxic critters avoid poisoning themselves? |
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​Rather than being immune, some frogs and birds have evolved a surprising strategy - they have some sort of mysterious shield, possibly proteins, preventing the toxins from getting to the targets where they do their damage.
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​The deadly beauty pictured is a blue poison dart frog (Dendrobates tinctorius) from.

Image credit - Jim Zuckerman/The Image Bank/Getty Images
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