Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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A cow produces around 200,000 glasses of milk in her lifetime.
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Alligators can live up to 100 years.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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