Flammulated, boreal, and great gray owls in the United States
Subtitle: a technical conservation assessment
By: Gregory D. Hayward, technical editor, Jon Verner, co-technical editor.
Contributors: Hayward, Gregory D.; Verner, Jon.; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.); United States. Forest Service. Rocky Mountain Region.
Series: General technical report RM ;; 253
Publisher: U.S. Dept. of Agriculture Forest Service, Rocky Mountain Forest and Range Experiment Station
Published: 1994
Place of publication: Fort Collins, CO (240 W. Prospect Rd., Fort Collins 80526)
Language: eng
Number of pages: 213
Subjects: Flammulated owl -- United States.; Aegolius funereus -- United States.; Great gray owl -- United States.; Birds -- Conservation -- United States.
Notes: Includes bibliographical references.
"September 1994."
"A joint product of the Rocky Mountain Forest and Range Experiment Station and the Rocky Mountain Region, USDA Forest Service."