Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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Domestic pigs average a top speed of about 11 miles per hour.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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A puppy is born blind, deaf, and toothless.
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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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Lurch, a Watusi bull, had the largest horns in the world.
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