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December 1984, Vol. 12, No. 6 Spring Migration On Savin Hill Kenneth I. Winston The Field Identification of Arctic Loon Terence A. Walsh Further Notes On The Field Identification Of Winter-Plumaged Arctic Loons Terence A. Walsh How The Common Barn-Owl (Tyto alba) Hunts In Darkness By Hearing H Christian Floyd Results Of The 1984 Census Of Piping Plovers, American Oystercatchers, And Willets In Massachusetts Scott Melvin Field Records: August/September 1984 Bridled Tern Sighting Off Gloucester, Massachusetts Walter G. Ellison Field Notes From Here And There: News about Jackdawsa Martha Vaughan A Leucistic Black-bellied Plover George Gove At a Glance Richard Walton Index, Volume 12, 1984 ^ top