GREEN
03/18/2010 05:12 am ET Updated May 25, 2011

13 Of The World's Prickliest Critters (PHOTOS)

Being a thorny or spiny animal definitely has its advantages in nature. While these animals can use their spikes to attack their prey, such spikes also serve to protect them from predators. From slugs to crustaceans to land mammals, check out these prickly critters and vote for the one you don't want to get pricked by.

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