Review of the staus of greater and lesser scaup in North America
By: George T. Allen, David F. Caithamer, and Mark Otto
Contributors: Caithamer, David F.; Otto, Mark; U.S. Fish and Wildlife Service
Publisher: U.S. Fish and Wildlife, Office of Migratory Bird Management
Published: 1999
Place of publication: Arlington, Va
Language: eng
Format: [electronic resource] /
Number of pages: 53
Subjects: Aythya; Greater scaup; Lesser scaup
Notes: "July 1999."

Title from title screen (viewed on Oct. 18, 2012).

Includes bibliographical references (p. [52-53]).