Selection and use of snags by secondary cavity-nesting birds of the ponderosa pine forest
By: James B. Cunningham, Russell P. Balda, and William S. Gaud
Contributors: Balda, Russell P; Gaud, William S; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Research paper RM -- 222
Publisher: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1980
Place of publication: Fort Collins, Colo
Language: eng
Number of pages: 15
Subjects: Birds -- Nests.; Nest building
Notes: "September 1980"--P. 2 of cover

Bibliography: p. 14-15