Domestic pigs average a top speed of about 11 miles per hour.
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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 largest breed of rabbit is the Flemish Giant.
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In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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