Papers in the Biological Sciences

 

Waterfowl of North America, Revised Edition (2010) by Paul A. Johnsgard

Date of this Version

2010

Document Type

Supplemental Material

Comments

From Waterfowl of North America, Revised Edition (2010). Copyright © 2010 Paul A. Johnsgard.

Abstract

Excluding extralimital species and most subspecies unless these are sometimes considered full species.

Aix [through] Spatula

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