Polynyas in the Canadian Arctic
1981
Stirling, Ian |
Cleator, Holly |
Canadian Wildlife Service occasional paper
Birds of the Nova Scotia-New Brunswick border region
1966
Boyer, George F. |
Census methods for Murres, Uria species : a unified approach
1980
Birkhead, T. R. |
Nettleship, David N. (D. N.) |
The birds of the Fraser River delta : populations, ecology and international significance
1987
Butler, Robert W. |
Campbell, R. Wayne |
Population dynamics of the Common Loon (Gavia immer) associated with mercury-contaminated waters in northwestern Ontario
1986
Barr, J. F. |
The birds of the Creston Valley and southeastern British Columbia
1986
Butler, Robert W. |
Stushnoff, Brian G. |
McMackin, Edward |
The ring-billed gull in Ontario : a review of a new problem species
1986
Blokpoel, H. |
Tessier, G. D. |