Eating of tree seeds by birds in central Oregon
By: by William R. Eastman, Jr.
Contributors: Oregon Forest Research Center.
Series: Research note -- 42.; Research note (Oregon Forest Research Center) -- 42.
Publisher: Oregon Forest Research Center
Published: 1960
Place of publication: Corvallis
Language: eng
Number of pages: 24
Subjects: Birds -- Food.; Birds -- Oregon.; Trees -- Oregon -- Seeds.
Notes: Includes bibliographical references (p. 24).