Yea just knowing the dog. Some times mine will have his doubts he know its there some were just not 100% sure so he will sort of look at me as if to say what do you think. I will look at him as if to say well your the one with the fooking snout you tell me ya doughnut ? We end up having a run through just in case but most times there's no mistaking his mark and its bang on.
But I have to say this little fella back in the day was unbeatable with his marking it was bang on and he new the ferreting game inside out.
Just the little things like a rabbit slipped the