571—91.1 (481A) Duck hunting.
	 91.1(1) Zone boundaries. The north duck hunting zone is that part of Iowa north of a line beginning on the Nebraska-Iowa border at State Highway 175, east to State Highway 37, southeast to State Highway 183, northeast to State Highway 141, east to U.S. Highway 30, and along U.S. Highway 30 to the Iowa-Illinois border. The south duck hunting zone is the remainder of the state.
	 91.1(2) Season dates - north zone. For all ducks:	September 20 through September 24 and October 18 through December 11.
	 91.1(3) Season dates - south zone. For all ducks:	September 20 through September 24 and October 18 through December 11.
	 91.1(4) Bag limit. The daily bag limit of ducks is 6, and may include no more than 4 mallards (no more than 2 of which may be females), 1 black duck, 3 wood ducks, 1 pintail, 3 mottled ducks, 2 redheads, and 1 scaup, except during November 1 through November 20 when the daily limit for scaup is 2. No canvasbacks may be included in the daily bag limit; the canvasback season is closed. The daily bag limit of mergansers is 5, only 2 of which may be hooded mergansers.
	 91.1(5) Possession limit. Possession limit is twice the daily bag limit.
	 91.1(6) Shooting hours. Shooting hours are one-half hour before sunrise to sunset each day.