Molt and aging criteria for four North American grassland Passerines /

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 Book
Language:	English
Published:	Washington, D.C. : U.S. Fish & Wildlife Service, [2008]
Series:	Biological technical publication ; BTP-R6001-2008.
Subjects:	Passeriformes > Age determination > North America. Passeriformes > Physiology > North America. Molting.

Evans: US Documents (Annex 5th floor)