There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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The ancestor of all domestic cats is the African Wild Cat which still exists today.
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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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Cows can sleep standing up, but they can only dream lying down.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
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The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
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