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From the hamster to the rat, rodents have taken over the planet, proving that there is more to them than just springing mouse traps and stealing cheese, but what are the secrets of their global success? Rodents shape the world around them. They survive extremes, build elaborate homes and escape predators. Love them or hate them, rodents are fascinating and entertaining, and are more important than you might think. And with their incredible breeding abilities, the rodent empire is in no doubt here to stay.