The pygoscelid penguins
1958
Sladen, William J. L. |
Habitat surveys
Avian use of forest habitats in the Pembina Hills of northeastern North Dakota
1983
Faanes, Craig A. |
Andrew, Jonathan M. |
The ring-necked duck in the Northeast
1958
Mendall, Howard L. |
The mourning dove in Illinois
1963
Hanson, Harold C. |
Kossack, Charles W. |
The screech owl : its life history and population ecology in northern Ohio
1975
VanCamp, Laurel F. |
Henny, Charles J. |
The Canada geese of southeastern Colorado
1970
Rutherford, William H. |
The sharp-tailed grouse in Colorado
1969
Rodgers, Glenn E. |
The white-tailed ptarmigan in Colorado
1971
Rodgers, Glenn E. |
Braun, Clait E. |
The prairie chicken in Wisconsin : highlights of counts, behavior, movements, turnover and habitat
1973
Hamerstrom, Frederick |
Hamerstrom, Frances |
History and management of the wild turkey in West Virginia
1968
Bailey, R. Wayne |
Rinell, K. T. |