If there's one thing humans are good at, it's coming up with creative ways to kill each other. So I guess it's inevitable that we would eventually rope in other members of the animal kingdom to do some of our dirty work. Here are eight strange and interesting ways that human warfare involved animals throughout the years. Just wait for #7, it's totally bizarre. 1.) Pigs. Rikki's Refuge You might not know it now, but pigs can pretty destructive on the battlefield. Back in ancient times, people would starve pigs until they were ravenous and unleashed on the enemy. The...