Alligators can live up to 100 years.
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The largest earthworm on record was found in South Africa and measured 22 feet.
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The elephant brain weighs about 6,000g.
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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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In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
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There's a rare breed of pig that looks like a sheep.
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