-
By: Gerrard, Jonathan M. - Gerrard, P. Naomi - Bortolotti, Gary R. (Gary Roy), - Dzus, E H
Type: Article
In: The journal of raptor research
Volume: 26
Series:
Issue: 3
Date: 1992
Page Range: 159--166
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
Subjects:
-
By: Miller, M J R - Wayland, Mark - Dzus, E H - Bortolotti, Gary R. (Gary Roy),
Type: Article
In: The journal of raptor research
Volume: 34
Series:
Issue: 3
Date: 2000
Page Range: 167--174
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
Subjects:
-
By: Bortolotti, Gary R. (Gary Roy), - Dzus, E H - Gerrard, Jonathan M.
Type: Article
In: The journal of raptor research
Volume: 22
Series:
Issue: 2
Date: 1988
Page Range: 66--67
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
Subjects:
-
By: Dawson, Russell D. - Whitworth, Terry L. - Bortolotti, Gary R. (Gary Roy),
Type: Article
In: The Canadian field-naturalist
Volume: 113
Series:
Issue: 3
Date: 1999
Page Range: 503--506
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
-
By: Bortolotti, Gary R. (Gary Roy),
Type: Article
In: The journal of raptor research
Volume: 28
Series:
Issue: 3
Date: 1994
Page Range: 127--133
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
Subjects:
-
By: Bortolotti, Gary R. (Gary Roy),
Type: Article
In: The journal of raptor research
Volume: 26
Series:
Issue: 2
Date: 1992
Page Range: 100--100
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
Subjects:
-
By: Murza, G L - Bortolotti, Gary R. (Gary Roy), - Dawson, Russell D.
Type: Article
In: The journal of raptor research
Volume: 34
Series:
Issue: 2
Date: 2000
Page Range: 137--142
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
Subjects:
-
By: Dawson, Russell D - Bortolotti, Gary R. (Gary Roy),
Type: Article
In: The Wilson bulletin
Volume: 109
Series:
Issue: 4
Date: 1997
Page Range: 732--734
Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
Subjects:
-
By: Bortolotti, Gary R. (Gary Roy),
Type: Article
In: The Wilson bulletin
Volume: 96
Series:
Issue: 4
Date: 1984
Page Range: 524--542
Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
Subjects:
-
By: Bortolotti, Gary R. (Gary Roy), - Barlow, Jon C. (Jon Charles),
Type: Article
In: The Wilson bulletin
Volume: 98
Series:
Issue: 4
Date: 1986
Page Range: 516--525
Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
Subjects:
-
By: Bortolotti, Gary R. (Gary Roy), - Wiebe, Karen L. (Karen Lorelle),
Type: Article
In: The journal of raptor research
Volume: 27
Series:
Issue: 1
Date: 1993
Page Range: 47--49
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
Subjects:
-
By: Wiebe, Karen L. (Karen Lorelle), - Bortolotti, Gary R. (Gary Roy),
Type: Article
In: The Wilson bulletin
Volume: 114
Series:
Issue: 3
Date: 2002
Page Range: 393--400
Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
Subjects: