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By: Haines, Aaron M - Mcgrady, Mike J - Martell, Mark S - Dayton, B James - Henke, M Blake - Seegar, William SType: ArticleIn: The Wilson bulletinVolume: 115Series:Issue: 2Date: 2003Page Range: 166--169Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Martell, Mark S - Schladweiler, John - Cuthbert, Francesca J. (Francesca Jean)Type: ArticleIn: The journal of raptor researchVolume: 35Series:Issue: 4Date: 2001Page Range: 331--336Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: