Pete Dunne, Clay Sutton, David Sibley, "Hawks in Flight: Second Edition" English | ISBN: 0395709598...
The new edition of the book that Roger Tory Peterson called a \"landmark\" integrates an array of carefully selected photographs, David Sibley\'s superb illustrations, and a clear, information-packed text and takes raptor identification to a higher level. This edition covers all of the raptors that breed in North America, including...