Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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Tigers can see 6 times better at night than humans.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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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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Lurch, a Watusi bull, had the largest horns in the world.
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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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