Report of the advisory panel on the California condor
1978
Ricklefs, Robert E. |
Birds
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. |
Birds of the St. Croix River valley : Minnesota and Wisconsin
1981
Faanes, Craig A. |
The prairie chicken in Wisconsin : highlights of counts, behavior, movements, turnover and habitat
1973
Hamerstrom, Frederick |
Hamerstrom, Frances |
A half century of change in bird populations of the lower Chippewa River, Wisconsin
1955
Buss, Irven O. |
Mattison, Helmer M. |
Birds of the southern California deserts
1951
Willett, George |