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Nests; Wood duck


Twenty-seven wood duck boxes located along the Mississippi River near Cohasset, Minnesota were monitored for winter and spring wildlife use from 198o-1982. During these three yearn, overall nest box use was 84 percent, 72 percent, and 82 percent, respectively; winter utilization was 44 percent, 56 percent, and 68 percent; spring utilization was 48 percent, 44 percent, and 37 percent. Most winter use was by red squirrels, gray squirrels, and starlings. Principal spring use was by wood ducks and common goldeneyes, During the course of the study, wood duck use decreased and common goldeneye use Increased. Aspects of the nesting season biology of both species of ducks are discussed.

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