12/02/2009 05:12 am ET Updated May 25, 2011

The Nine Most Insane Animal Self-Defense Mechanisms

The frog that breaks its own legs and grows claws. The beetle that sprays a jet of boiling fluid at predators. The fish that engulfs its enemy in a thick casing of slime. The ant that explodes. These are just a few of the incredibly unusual ways animals have evolved to defend themselves against predators.

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