Autumn field-feeding patterns of the wild mallard duck (Anas platyrhynchos)
Sixteen adult male and 8 adult female post moult mallards were equipped with radio transmitters, in a two year study (1977-6AHY-M and 4AHY-F; 1978-10AHY-M and 4AHY-F). Field-feeding was monitored at a lure crop and on adjacent grain fields. Ninety-two percent of the mallards radio-equipped we...
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| Language: | en_US |
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1983
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| Online Access: | http://hdl.handle.net/1993/4406 |