The most expensive cow in the world was sold in 2009 for $1.2 million.
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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
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Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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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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Mosquitoes don't just bite you, they also pee on you.
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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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