Ducks, geese, & swans of North America
By: by Frank C. Bellrose.
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: Includes index and appendices.

Bibliography: 474-495.