Dean, yes, I've gunned with the Nova Scotia Toller when it was called the Little River Duck Dog, starting about 50 years ago. (My neighbour a kilometre away bought one last fall.) They're intelligent, all they're cracked up to be, the only limitation in temperament, usually a one-person dog. They're not as tractable and laid-back as a Lab.

I remember a toll of about 200 bluebills in a salt-water harbour called Ostrea Lake on the Eastern Shore, not far from where Destry Hoffard was tub-shooting a few years ago. The birds were a long way off, maybe a quarter mile, and the birds tolled in a tear-shape like attracted by a magnet.

Another time I used my black Lab on bluebills and he brought 100 bluebills nearly ashore on the edge of a field jutting into a brackish pond behind a bay. I kept throwing a stick, the birds kept coming, and Jake didn't break.

Thanks King, that's about what I understand of these dogs. I thought it was the dog's coloration but using a black lab as you did makes me believe it's just the curiosity of the fowl that is their undoing.

Susan and Dave have some great dogs, I have one of their Labs.
They have been breeding NSDTR for a number of years.
http://www.wassookeagretrievers.com/puppies.html