Thick-necked stocky birds, alternately flapping and sailing in flight; flocks string out in a line, close to the water. Occurs in the United States Chiefly along New England coasts and occasionally south to New Jersey. In Canada, it is found along the Atlantic coast. Very important colonies are established on islands in the St. Lawrence estuary in Québec. Length: 23 ½ in. Weight: 5 lbs.