> Some are trained to track on a line but most effective are this that free track and once locate the animal either stand and bay or return to handler and indicate the find in whatever manner they have been trained.
Well that is what my breed do, they indicate by barking, but track silently, depending on terrain either free or in harness (with wolf numbers up in Norway more are being used in harness at the moment, for the dogs safety).
It's strange that more people (who probably haven't heard of the breed) don't come for ours to do the job they have been bred for, and where the instincts for it are strong (we regularly import direct from stock that are kept principally for hunting with showing for most only a way to get the required grading for hunting titles).