Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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In Australia, there are spiders big enough to eat snakes.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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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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