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Are mallards declining in North America?

Wildlife Society Bulletin
By:  and 

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Abstract

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Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Are mallards declining in North America?
Series title Wildlife Society Bulletin
Volume 15
Year Published 1987
Language English
Publisher Wildlife Society
Contributing office(s) Northern Prairie Wildlife Research Center
Description 6 p.
First page 340
Last page 345