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Front Matter
Bird Observer

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Back Matter
Bird Observer

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Staff
Bird Observer

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Contents
Bird Observer

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Spring Migration on Savin Hill
Kenneth I. Winston

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The Field Identification of Arctic Loon
Terence A. Walsh

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How the Common Barn-owl (tyto Alba) Hunts in Darkness by Hearing
Christian Floyd

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Results of the 1984 Census of Piping Plovers, American Oystercatchers, and Willets in Massachusetts
Scott Melvin

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Field Records: August 1984
George W. Gove, Robert H. Stymeist, and Lee E. Taylor

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Field Records: September 1984
George W. Gove, Robert H. Stymeist, and Lee E. Taylor

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Bridled Tern Sighting Off Gloucester, Massachusetts
Walter G. Ellison

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Field Notes from Here and There
Martha Vaughan and George Gove

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At a Glance
Richard Walton

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Index, Volume 12, 1984
Bird Observer