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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The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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There's a rare breed of pig that looks like a sheep.
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A group of kittens is called a "kindle".
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Dogs have been man's pet for over 14,000 years.
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