In the distance we spotted a beast sure-footedly making its way down the mountainside. Is it a sheep, we wondered but it seemed too large. Perhaps a dog of some sort? But it didn't move like a dog. Whatever it was, it seemed to be heading towards us with purpose and we began to speculate whether it was on a mission to devour a couple of amateur hikers out on a day's retreat. Were Andy and I about to make headlines as the victims of a mysterious predator?