books.google.co.uk - This is the definitive book on the seabirds of the world. It covers virtually all the known species, including sea ducks, loons, and grebes. Each species is beautifully illustrated in color, with different plumages, postures, and views shown to provide visual information not previously available in any...http://books.google.co.uk/books/about/Seabirds.html?id=DfIkAgAACAAJ&utm_source=gb-gplus-shareSeabirds