-
By: Engel, Kathleen A. - Young, Leonard S. (Leonard Stephen) - Steenhof, Karen - Roppe, Jerry A - Kochert, Michael N. (Michael Nicholas)Type: ArticleIn: The Wilson bulletinVolume: 104Series:Issue: 1Date: 1992Page Range: 105--121Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
-
By: Engel, Kathleen A. - Young, Leonard S. (Leonard Stephen)Type: ArticleIn: The Wilson bulletinVolume: 104Series:Issue: 3Date: 1992Page Range: 462--471Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
-
By: Knight, Richard L. - Randolph, Philip J. - Allen, George T. (George Thomas) - Young, Leonard S. (Leonard Stephen) - Wigen, Rebecca J.Type: ArticleIn: The Canadian field-naturalistVolume: 104Series:Issue: 4Date: 1990Page Range: 545--551Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
-
By: Engel, Kathleen A. - Young, Leonard S. (Leonard Stephen)Type: ArticleIn: The journal of raptor researchVolume: 27Series:Issue: 1Date: 1993Page Range: 69--69Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: