Cormorant
Ad. in breeding plumage.-Head, neck, rump, and under parts glossy black; upper back, scapulars, and wing-coverts light grayish brown, each feather margined with glossy black; tail black, composed of twelve feathers; a tuft of black feathers on either side of the head. Ad. in winter.- Similar, but without tufts on the head. Im. - Top of the head and back of the neck blackish brown; upper back, scapulars, and wing-coverts brownish gray, each feather margined with black; rump glossy black; sides of the head and fore neck grayish white, whiter on the breast and changing gradually to black on the lower belly. L., 30.00; W., 12.50; T., 6·20; B., 2·30.