Range. - The Atlantic coast breeding from Maine to Greenland.
The common Cormorant or Shag is one of the largest of the race, having a length of 36 inches.
In breeding plumage, the black head and neck are so thickly covered with the slender white plumes as to almost wholly obscure the black. There is also a large white patch on the flanks. They nest in colonies on the rocky shores of Newfoundland and Labrador, placing their nests of sticks and seaweed in rows along the high ledges, where they sit, as one writer aptly expresses it, like so many black bottles. A few pairs also nest on some of the isolated rocky islets off the Maine coast. During the latter part of May and during June they lay generally four or five greenish white, chalky looking eggs. Size 2.50 x 1.40. Data. - Black Horse Rock, Maine coast, June 6, 1893. Four eggs in a nest of seaweed and a few sticks; on a high ledge of rock. Collector, C. A. Reed.
Cormorant. Double-crested Cormorant.
Chalky greenish or bluish whitae.