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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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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The largest earthworm on record was found in South Africa and measured 22 feet.
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A group of unicorns is called a blessing.
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