The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
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