Serie, Jerome R
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1991: Wildfowl Special Issue No. 1 - SECTION THREE: BREEDING
Population status and productivity of Tundra Swans Cygnus columbianus in North America
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1991: Wildfowl Special Issue No. 1 - SECTION SEVEN: MANAGEMENT AND CONSERVATION
Mortality in Tundra Swans Cygnus columbianus
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1991: Wildfowl Special Issue No. 1 - SECTION SEVEN: MANAGEMENT AND CONSERVATION
Harvest management of Tundra Swans Cygnus columbianus in North America
Abstract PDF