Wintering areas and winter ecology of white-tailed ptarmigan in Colorado
By: Clait E. Braun, Richard W. Hoffman, and Glenn E. Rogers.
Contributors: Hoffman, Richard W., joint author.; Rogers, Glenn E., joint author.
Series: Special report - Colorado Division of Wildlife ; no. 38; Special report (Colorado. Division of Wildlife) ;; no. 38.
Publisher: Colorado Division of Wildlife
Published: 1976
Place of publication: [Denver?]
Language: eng
Number of pages: 38
Subjects: White-tailed ptarmigan.; Birds -- Migration.; Birds -- Ecology.; Birds -- Colorado.
Notes: Bibliography: p. 11-12.