Originally Posted by Jing
Uhh, how the hell do they know how to use roads?
By "use" do you mean, able to realize the most convenient path in that area, which would display an obvious direction to where they were headed.?
It doesn't seem all that out of the ordinary to see them using a road. Also, once one starts, they will all follow. I know this because I have studied how groups of animals travel intensely.