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Aythya valisineria

Non IUCN Publication

Habitat use and productivity of Canvasbacks in southwestern Manitoba, 1961-72

Author(s):

Publication Year: 
1982
Non IUCN Publication

Breeding and wintering areas of Canvasbacks harvested in various States and provinces

Author(s):

Organization(s):

Publication Year: 
1974
Non IUCN Publication

The Canvasback on a prairie marsh

Author(s):

Publication Year: 
1959
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