In Ontario:

1. Semi-auto, camo, usually Beretta, some Turkish Weatherbys
2. Pump action, 870 Express, Mossberg, Benelli, camo or black
3. O/U, usually Citori
4. Pump action with wood furniture, typically an 870
5. .410 single shot (this is specific to the vast north part of the Province, where the ruffies prefer to walk away rather than fly.
6. SxS. I can count on one hand those I know who shoot them.