Penguins have a gland above their eye that turns saltwater into freshwater.
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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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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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The head of a jellyfish is called the "Bell."
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Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
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