The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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There's a lizard known as the 'Jesus Lizard' that can run across water.
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Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Cats recognise the voice of their owner, but never evolved to care.
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Penguins have a gland above their eye that turns saltwater into freshwater.
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