Quote Originally Posted by TaleraRistain View Post
That part they did address. It has limited range. They show that when they show how the rrnoeek that wanders near the tracks is herded away but the rroneek not to far away aren't affected.
No, they didn't. The predator's roar was shown to disturb the buffalo so much that they changed their entire habit and wandering cycle. They're using the same sound to keep them away from the track. It doesn't matter that it's low range, it's putting the same fear in them.