Pacific Eider
161. Somateria v-nigra. 23 inches.
This bird is in plumage like the Northern Eider, except that it has a black V-shaped mark on the throat. They nest sparingly on the Aleutian Islands, but in great numbers farther north.
Nest.—They make their nests of seaweed and grass, warmly lining same with down from their breasts. 6 to 8 eggs (3.00 × 2.00).