Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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The most expensive cow in the world was sold in 2009 for $1.2 million.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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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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Squirrels forget where they hide about half of their nuts.
698
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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A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Cats recognise the voice of their owner, but never evolved to care.
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