Duck wings
Subtitle: a study of duck production
By: by Hugh Boyd, Jeffery Harrison, Allan Allison ; illustrated by Pamela Harrison ; foreword by F.G. Hardy ; preface by Teppo Lampio.
Contributors: Harrison, Jeffery G., joint author.; Allison, Allan, joint author.
Series: WAGBI conservation publications
Publisher: Wagbi; Marley Ltd; Harrison Zoological Museum
Published: 1975
Place of publication: [Chester]; [Sevenoaks]; s.l
Language: eng
Number of pages: 111
Subjects: Ducks -- Age determination; Ducks -- Sexing; Feathers; Wings; Birds -- Age determination; Birds -- Sexing; Birds -- Great Britain -- Identification
Notes: Bibliography: p. 108.