Quote:
we use them for training herding dogs, and herd dog trials...
they stand up to the running (waddling) around bettter than other ducks because they're designed for land travel (in their home countries, they commute daily from pen to field for weeding and bug control, sometimes long distances, by foot) and because they're light.
ducks are extremely responsive to pressure, much more so than most sheep breeds. when you're fine-tuning a herding dog, ducks are the tool to use, and runners are the best breed for it.
besides that, I find the fact that they look like duck-handled umbrellas when the stand highly entertaining.