Owls of old forests of the world
By: Bruce G. Marcot.
Contributors: Pacific Northwest Research Station (Portland, Or.)
Series: General technical report PNW ;; GTR-343; General technical report PNW ;; 343.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1995
Place of publication: Portland, Or. (333 S.W. First Ave., P.O. Box 3890, Portland 97208-3890)
Language: eng
Number of pages: 64
Subjects: Owls.; Forest birds.
Notes: Includes bibliographical references.
Cover title.
"October 1995."