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Foods Consumed by Breeding Mallards on Wetlands of South-Central North Dakota
George A. Swanson, Mavis I. Meyer and Vyto A. Adomaitis
The Journal of Wildlife Management
Vol. 49, No. 1 (Jan., 1985), pp. 197-203
Stable URL: http://www.jstor.org/stable/3801871
Page Count: 7
You can always find the topics here!Topics: Female animals, Food, Wetlands, Food availability, Breeding, Diet, Prairies, Waterfowl, Bodies of water, Food consumption
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Foods consumed by 117 mallards (Anas platyrhynchos) collected on the breeding grounds of south-central North Dakota during spring and summer 1974-80 were examined. Animal foods accounted for 38 and 37% of the diet of paired males and nonlaying females, respectively (N = 80). The diet of laying females consisted of 72% animal foods, which differed significantly from that of paired males and nonlaying females. Insects, gastropods, crustaceans, annelids, and seeds made up 27.1, 16.4, 12.9, 12.8, and 24.8% of the diet, respectively, of laying females (N = 37).
The Journal of Wildlife Management © 1985 Wiley