Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
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Dogs have been man's pet for over 14,000 years.
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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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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
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Two dogs were among the Titanic survivors.
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