An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
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Cats recognise the voice of their owner, but never evolved to care.
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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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Cows can sleep standing up, but they can only dream lying down.
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The male seahorse carries babies and 'gives birth' to them instead of the female.
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