ANIMALS: Which bird is named after its habit of up ending stones to look for shellfish?

Questions

Cigarettes: Smoking this menthol brand is hip, fashionable, just plain....?

Cigarettes: This Canadian cigarette brand sponsors the Canadian Open (tennis and golf).?

Cigarettes: Marlboro and Merit are brands from this company (2 wds).?

Cigarettes: Cigarette brand, or a governor ruling in a monarch's name.?

Cigarettes: Women's cigarette brand, or a Mercury model.?