Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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Penguins have a gland above their eye that turns saltwater into freshwater.
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Female kangaroos have three vaginas.
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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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The seahorse is the only fish to have a neck.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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A group of kittens is called a "kindle".
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