I'm going to go with the fact that most people have been playing Gears of War. If not, you have no excuse as to why you don't have a XBOX 360 console at your disposal. However, if you have a 360 and you have GoW, then you know what the wretches are. Having a really good sound system in your home brings these little bastards to life. As such, we think we may have found the source to their skin curdling wail.
Meet "Burger and Fries"