Other Names: Great Northern Loon, Great Northern Diver
Distribution: northern North America in summer; coasts of North America and Europe in winter.
Size: 73-88 cm in length with a 122-148 cm wingspan, weighing 1.6-8 kg.
Plumage: In summer, the head and neck are black with white bands on the neck, and the back is black with white spots. In winter, the crown, neck, and uppersides are dark grayish; the throat and undersides are white. The eyes are red and the bill is gray to black.