The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
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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 sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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Cows can sleep standing up, but they can only dream lying down.
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Cats and dogs can hear ultrasound.
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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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Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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