The spring and summer foods of the common mallard (Anas Platyrhynchos platyrhynchos L.) in south Central Manitoba
The mallard is the most important species of North American waterfowl; its breeding range has been reduced and is in danger of a further reduction due to agricultural and drainage practices. To maintain mallard populations at the present level, it will be necessary to control and manage sufficient h...
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| Language: | English |
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University of British Columbia
2011
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| Online Access: | http://hdl.handle.net/2429/39472 |