Female kangaroos have three vaginas.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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Alligators can live up to 100 years.
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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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When cats are happy, they may squeeze their eyes shut.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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