The group of animals that elephants, rhinos and hippopotamuses are in
"HEY! MOM! LOOK A PACHYDERM! COOL, RIGHT?"
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Another way to say go to sleep when it is dark.
"It's getting late. I am ready to hit the hay."
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The time when Dinosaurs roamed, the Age of the Reptiles.
"Isn't that dinosaur skeleton from prehistoric times?"
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