The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
The cat brain weighs about 30g.
167
Domestic pigs average a top speed of about 11 miles per hour.
182
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.
7
Jumping fleas can accelerate 50 times faster than the space shuttle.
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