Species: Bucephala clangula

H - >2,500,000 square km (greater than 1,000,000 square miles) - H - BREEDS: Eurasia; North America, western and central Alaska, Mackenzie Delta, east to southern Hudson Bay and Newfoundland, south to northern Washington, central Montana, northern North Dakota, northern Minnesota, northern Wisconsin, northern Michigan, northern New York, northern Vermont, Maine. WINTERS: Eurasia, to Mediterranean, southern China; in North America, Aleutians and southeastern Alaska to southern California, Great Lakes through the Ohio and Mississippi valleys to the Gulf Coast, St. Lawrence River and Nova Scotia to Florida, and inland national wildlife refuges (e.g., Browns Park in Colorado and Mundt in South Dakota) (Root 1988).