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Molt and aging criteria for four North American grassland passerines /

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Bibliographic Details
Main Author: Pyle, Peter, 1957-
Corporate Author: U.S. Fish and Wildlife Service
Other Authors: Jones, Stephanie L., Ruth, Janet M.
Format: Government Document eBook
Language:English
Published: Shepherdstown, WV : U.S. Fish & Wildlife Service, [2008]
Series:Biological technical publication ; BTP-R 6011-2008.
Subjects:
Passeriformes > Age determination > North America.
Passeriformes > Physiology > North America.
Molting.
Online Access:https://purl.fdlp.gov/GPO/gpo32352
Description
Item Description:Title from title screen (viewed Dec. 18, 2012).
"September 2008"--P. [4] cover.
Electronic resource.
Physical Description:1 online resource (vii, 19 pages) : illustrations (some color).
Bibliography:Includes bibliographical references (page 18).