Molt and aging criteria for four North American grassland passerines /

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Bibliographic Details
Author / Creator:Pyle, Peter, 1957-
Imprint:Shepherdstown, WV : U.S. Fish & Wildlife Service, [2008]
Description:vii, 19 p. : ill. (some col.) ; 28 cm.
Language:English
Series:Biological technical publication ; BTP-R6001-2008
Subject:
Format: U.S. Federal Government Document Print Book
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/7634387
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Other authors / contributors:Jones, Stephanie L.
Ruth, Janet M.
Notes:"September 2008"--P. [4] cover.
Includes bibliographical references (p. 18).
GPO item no.:0612
Govt.docs classification:I 49.2:M 73/2