Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
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