study of hawk migration in eastern North America
By: John Richard Haugh.
Series: Ecology and systematics (Ithaca) -- 1; Search -- v. 2, no. 16
Publisher: Cornell University Agricultural Experiment Station, New York State College of Agriculture and Life Sciences
Published: 1972
Place of publication: Ithaca, N.Y
Language: eng
Number of pages: 60
Subjects: Hawks.; Birds -- Migration.
Notes: Includes bibliographical references.