Flight identification of European raptors
By: R. F. Porter ... [et al.].
Contributors: Porter, R. F.
Edition: 2d ed.
Publisher: T. & A. D. Poyser
Published: 1976
Place of publication: Berkhamsted, Eng
Language: eng
Number of pages: 184
Subjects: Birds of prey -- Europe -- Identification.; Birds -- Europe.; Animal flight.
Notes: "This book has evolved from material which first appeared as a series of papers by the authors in the journal British birds, vols. 64-44, 1971-73."
Includes index.