Female kangaroos have three vaginas.
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The colossal squid has the largest eyes in the world.
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Alligators can live up to 100 years.
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A cow produces around 200,000 glasses of milk in her lifetime.
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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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