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 giraffe's kick is so powerful that it can decapitate a lion.
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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The cat brain weighs about 30g.
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The most expensive cow in the world was sold in 2009 for $1.2 million.
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