How birds work
Subtitle: a guide to bird biology
By: [Ron Freethy].
Publisher: Blandford Press; Distributed in the United States by Sterling Pub. Co.
Published: 1982
Place of publication: Poole, Dorset; New York, N.Y
Language: eng
Number of pages: 232
Subjects: Birds.
Notes: Bibliography: p. [214]-227.
Includes index.