The mountain stone weta actually encourages its body to freeze, in order to survive.
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Natural World: Nature's Biggest Beasts
The world's biggest beasts have always captured the imagination. But whilst being big can have its advantages, it also comes with sizeable challenges. Take the world's largest lizard, the Komodo dragon, whose huge appetite means it must take on prey ten times its weight, or the tallest animal of them all the giraffe who, with such a long neck, must control immense blood pressure. Nature's biggest beasts must go to extraordinary lengths to thrive.

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of entertaining and thoughtprovoking natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.

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