Last week, police in Iran apprehended a group of 14 squirrels on, get this, suspicion of spying. Apparently the rodents had been outfitted with eavesdropping equipment and were picked up on a tip from foreign intelligence services. Now, it's possible that this is all a stunt to show how tough Iranians are on crime, but if the squirrels really are enemy operative, they would join the historic ranks of cloak-and-dagger animals. Here's a look at some other non-human spies, illustrated with help from our... READ ON