This section is from the book "The Bird Book", by Chester A. Reed. Also available from Amazon: The Bird Book.
Range. - Coasts and islands of the North Atlantic, chiefly on the European side; rare on the Atlantic coast of North America.
Skuas are large (22 inches in length) and very powerfully built birds, having the general form of a Gull. Their whole plumage is a dingy brownish black color, palest below. Breeds in Iceland and possibly on some of the islands in Hudson Strait. The nest is a hollow on the ground in the marsh grass and is lined with grass. The two eggs which they lay have an olive greenish ground, spotted with dark brown. Size 2.75 x 1.90.

Olive brown.
 
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