Ducks, geese & swans of North America
Subtitle: a completely new and expanded version of the classic work by F. H. Kortright
By: by Frank C. Bellrose ; with the assistance of Glen C. Sanderson, Helen C. Schultz, and Arthur S. Hawkins. .
Contributors: Kortright, Francis H.
Edition: 2d ed. rev.
Publisher: Stackpole Books
Published: 1978
Place of publication: Harrisburg, PA
Language: eng
Number of pages: 540
Subjects: Waterfowl -- North America.; Birds -- North America.
Notes: "A Wildlife Management Institute book sponsored jointly with the Illinois Natural History Survey."

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