Superb guide by noted expert covers owl-watching equipment, owl pellets and food habits, migrations and invasions, survival adaptations, conservation and more. Detailed data about 19 native species: barn owl, screech owl, great gray owl, snowy owl, spotted owl, great horned owl, many others. Also guide to observing sites in 40 states and Canada. 84 photographs and illustrations. Reprint of the Winchester Press, Piscataway, New Jersey, 1984 edition. Dover reprint of 1984 edition with revisions.