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Published in Entomological News, in 1998, in volume 109, pages 369-374

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Authors: H D Bradshaw | T D Coulson

Published in Journal of Raptor Research, in 1988, in volume 22, issue 4, pages 116-117

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Authors: D M Bird | P C Lague

Published in Raptor Research, in 1976, in volume 10, issue 1, pages 1-8

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Authors: Helmut C Mueller | Daniel D Berger

Published in The Wilson Bulletin, in 1967, in volume 79, issue 4, pages 397-415

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Authors: D L Plumpton | D I Downing | D E Andersen | J M Lockhart

Published in Journal of Raptor Research, in 1995, in volume 29, issue 2, pages 141-143

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Authors: C D Littlefield | S P Thompson | B D Ehlers

Published in Raptor Research, in 1984, in volume 18, issue 1, pages 1-5

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Authors: Jennifer O Coulson | T D Coulson

Published in Journal of Raptor Research, in 1995, in volume 29, issue 4, pages 265-267

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Authors: D T Blumstein

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Authors: T Basakowski | D G Smith

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Authors: D E Andersen

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Authors: D E Andersen

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Authors: H D Garner

Published in Journal of Raptor Research, in 1999, in volume 33, issue 4, pages 329-332

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Authors: Helmut C Mueller | Daniel D Berger

Published in The Wilson Bulletin, in 1961, in volume 73, issue 2, pages 171-192

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Authors: John S Kirkley | James A Gessaman

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Published in The Auk, in 1908, in volume 25, pages 82-84

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Authors: B D Bibles | R A Mannan

Published in Journal of Raptor Research, in 2004, in volume 38, issue 3, pages 238-242

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Authors: Carl D Marti | Michael N Kochert

Published in The Wilson Bulletin, in 1995, in volume 107, issue 4, pages 615-628

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Authors: Charles R Keyes

Published in The Auk, in 1906, in volume 23, pages 99-100

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Authors: R W Hansen | L D Flake

Published in Journal of Raptor Research, in 1995, in volume 29, issue 3, pages 166-171

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Authors: Robert Decandido | D J Allen

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Authors: H D Garner | J C Bednarz

Published in Journal of Raptor Research, in 2000, in volume 34, issue 1, pages 26-32

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Authors: Merritt Cary

Published in The Auk, in 1899, in volume 16, pages 352-353

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Authors: T Bosakowski | A D Ramsey | D G Smith

Published in Journal of Raptor Research, in 1995, in volume 29, issue 1, pages 50

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Authors: Timothy C Roth | Steven L Lima | William E Vetter

Published in The Wilson Bulletin, in 2005, in volume 117, issue 3, pages 237-244

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Authors: P M Konrad | D S Gilmer

Published in Journal of Raptor Research, in 1988, in volume 22, issue 3, pages 92-93

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Authors: J M Kinsella | G W Foster | D J Forrester

Published in Journal of Raptor Research, in 1995, in volume 29, issue 2, pages 117-122

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Authors: C E Moorman | D L Howell | B R Chapman

Published in Journal of Raptor Research, in 1999, in volume 33, issue 3, pages 248-251

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Authors: Outram Bangs

Published in The Auk, in 1915, in volume 32, pages 481-484

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Authors: Thomas M Earl

Published in The Wilson Bulletin, in 1918, in volume 30, issue 1, pages 15-16

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Authors: Fred M Baumgartner

Published in The Wilson Bulletin, in 1949, in volume 61, issue 3, pages 187

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Authors: John Craighead | Frank Craighead

Published in The Wilson Bulletin, in 1940, in volume 52, issue 4, pages 241-248

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Authors: S J Woodley | K D Meyer | D A Kirk | P A Pearce

Published in Journal of Raptor Research, in 2004, in volume 38, issue 1, pages 69-77

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Authors: C V Olson | D P Arsenault

Published in Journal of Raptor Research, in 2000, in volume 34, issue 3, pages 157-166

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Authors: D W Hengstenberg | F J Vilella

Published in Journal of Raptor Research, in 2005, in volume 39, issue 4, pages 404-416

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Authors: Louis B Bishop

Published in The Auk, in 1901, in volume 18, pages 192-193

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Published in Records of The South Australian Museum, in 1954, in volume 11, pages 189-246

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Authors: L R Ditto

Published in Raptor Research, in 1983, in volume 17, issue 3, pages 91

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Authors: Lawrence Ward

Published in The Wilson Bulletin, in 1934, in volume 46, issue 4, pages 248-253

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Authors: Helmut C Mueller | Daniel D Berger | Nancy S Mueller

Published in The Wilson Bulletin, in 2003, in volume 115, issue 3, pages 321-324

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Authors: Helmut C Mueller | Daniel D Berger | George Allez

Published in The Wilson Bulletin, in 1981, in volume 93, issue 4, pages 491-499

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Authors: Outram Bangs

Published in The Auk, in 1920, in volume 37, pages 477

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Authors: Clint W Boal

Published in Journal of Raptor Research, in 2001, in volume 35, issue 3, pages 253-256

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Authors: Herbert Friedmann

Published in Jour Washington Acad Sci, in 1934, in volume 24, pages 310-318

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Authors: Ruthven Deane

Published in The Wilson Bulletin, in 1905, in volume 17, issue 1, pages 13-14

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Authors: C D Cheney | S B V Wall | R J Poehlmann

Published in Journal of Raptor Research, in 1987, in volume 21, issue 3, pages 103-110

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Authors: S Brodeur | F Morneau | R Decarie | J J Negro | D M Bird

Published in Journal of Raptor Research, in 1994, in volume 28, issue 4, pages 259-262

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Authors: W L Sclater

Published in Ibis, in 1918, in volume 6, issue 3, pages 343-347

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Published in Bulletin of The British Ornithologists' Club, in 1919, in volume 40, pages 37-42

Created: 2012-07-01, modified: 2012-07-01