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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A group of kittens is called a "kindle".
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Cats sleep for 70% of their lives.
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The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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Cows can sleep standing up, but they can only dream lying down.
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A dork is a whale's penis.
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The largest earthworm on record was found in South Africa and measured 22 feet.
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