Ducks of North America and the northern hemisphere
By: John Gooders, Trevor Boyer.
Contributors: Boyer, Trevor.
Publisher: Facts on File
Published: 1986
Place of publication: New York, N.Y
Language: eng
Number of pages: 176
Subjects: Ducks -- North America -- Identification; Ducks -- North America; Ducks -- Europe -- Identification; Ducks -- Europe; Birds -- Identification; Birds -- North America -- Identification; Birds -- Europe -- Identification
Notes: Bibliography: p. 176.
Includes index.