It has been scientifically proven that stroking a cat can lower one's blood pressure!
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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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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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The male seahorse carries babies and 'gives birth' to them instead of the female.
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The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
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The Platypus used to be considered a myth like Bigfoot and the Yeti.
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