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By: Kershner, Eric L - Bollinger, Eric K.Type: ArticleIn: The Wilson bulletinVolume: 111Series:Issue: 3Date: 1999Page Range: 363--367Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Walk, Jeffery W. - Kershner, Eric L - Warner, Richard E.Type: ArticleIn: The Wilson journal of ornithologyVolume: 118Series:Issue: 1Date: 2006Page Range: 70--74Publication Info: Lawrence, KS, Wilson Ornithological Society, 2006-Subjects:
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By: Sullivan, Brian L - Kershner, Eric L - Finn, Sean P. - Condon, Anne M - Cooper, Douglass M - Garcelon, David K.Type: ArticleIn: The journal of raptor researchVolume: 37Series:Issue: 4Date: 2003Page Range: 323--329Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Condon, Anne M - Kershner, Eric L - Sullivan, Brian L - Cooper, Douglass M - Garcelon, David K.Type: ArticleIn: The Wilson bulletinVolume: 117Series:Issue: 2Date: 2005Page Range: 177--184Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: