Covert feather

Results: 37



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1U.S. Fish & Wildlife Service  Molt and Aging Criteria for Four North American Grassland Passerines Biological Technical Publication

U.S. Fish & Wildlife Service Molt and Aging Criteria for Four North American Grassland Passerines Biological Technical Publication

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Source URL: www.birdpop.org

Language: English - Date: 2015-02-27 22:35:09
2The Wilson Journal of Ornithology 121(3):556–567, 2009  BREEDING SEASONS, MOLT PATTERNS, AND GENDER AND AGE CRITERIA FOR SELECTED NORTHEASTERN COSTA RICAN RESIDENT LANDBIRDS JARED D. WOLFE,1,2,4 PETER PYLE,3 AND C. JOH

The Wilson Journal of Ornithology 121(3):556–567, 2009 BREEDING SEASONS, MOLT PATTERNS, AND GENDER AND AGE CRITERIA FOR SELECTED NORTHEASTERN COSTA RICAN RESIDENT LANDBIRDS JARED D. WOLFE,1,2,4 PETER PYLE,3 AND C. JOH

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Language: English - Date: 2015-02-27 22:35:10
3Replacement of Primaries during the Prealternate Molt of a Yellow Warbler Peter Pyle The Institute for Bird Populations P.O. Box 1346 Point Reyes Station, CA, 94956

Replacement of Primaries during the Prealternate Molt of a Yellow Warbler Peter Pyle The Institute for Bird Populations P.O. Box 1346 Point Reyes Station, CA, 94956

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Language: English - Date: 2015-02-27 22:35:09
4

PDF Document

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Language: English - Date: 2015-02-27 22:35:08
5Microsoft Word - ibi_12138

Microsoft Word - ibi_12138

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Language: English - Date: 2015-02-27 22:35:08
6ECCENTRIC IN CERTAIN FIRST-YEAR MOLT PATrERNS TYRANNID

ECCENTRIC IN CERTAIN FIRST-YEAR MOLT PATrERNS TYRANNID

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Language: English - Date: 2015-02-27 22:35:08
7FEATURED PHOTO NOTES ON PLUMAGE MATURATION IN THE RED-TAILED TROPICBIRD Ron Levalley, Mad River Biologists, 920 Samoa Blvd., Suite 210, Arcata, California 95521;  PETER PYLE, The Institute for Bird Pop

FEATURED PHOTO NOTES ON PLUMAGE MATURATION IN THE RED-TAILED TROPICBIRD Ron Levalley, Mad River Biologists, 920 Samoa Blvd., Suite 210, Arcata, California 95521; PETER PYLE, The Institute for Bird Pop

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Language: English - Date: 2015-02-27 22:35:08
8APPENDICES  MAPSPROG USER’S GUIDE AND MANUAL[removed]APPENDIX I: MAPS BANDING-DATA FILE STRUCTURE FOR 2006 DATA Field

APPENDICES MAPSPROG USER’S GUIDE AND MANUAL[removed]APPENDIX I: MAPS BANDING-DATA FILE STRUCTURE FOR 2006 DATA Field

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Source URL: www.birdpop.org

Language: English - Date: 2006-04-23 16:13:09
9THE PTERYLOSIS  OF THE NESTLING

THE PTERYLOSIS OF THE NESTLING

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Source URL: sora.unm.edu

Language: English - Date: 2012-12-21 12:24:44
1069  Mar., 1943

69 Mar., 1943

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Source URL: sora.unm.edu

Language: English - Date: 2012-12-21 12:18:57