Penguins have a gland above their eye that turns saltwater into freshwater.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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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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The elephant brain weighs about 6,000g.
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The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
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The seahorse is the only fish to have a neck.
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