Foods consumed by breeding mallards on wetlands of south-central North Dakota

Author(s)
Swanson, George A., Mavis I. Meyer, and Vyto A. Adomaitis
Year
Article Title
Foods consumed by breeding mallards on wetlands of south-central North Dakota
Volume
49
Issue
1
Pages
197-203
Start Page Number
197
Final Page
203
Review

Datapoints

Displaying 1 - 3 of 3 datapoints.
Species: Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Condition Life Cycle Stage Specific Location Type
Dietary Composition Proportion by volume of plant and animal foods in the esophagi of mallards. Total animal, 37.6: Gastropoda, 6.3; Insecta, 16.8; Crustacea, 11.3.
Total plant, 62.4: Seeds, 56.4; vegetation, 6.0; roots and tubers, 4.1. 		39 % (by volume) during breeding season Not Reported drift prairie and missouri Coteau of south-central North Dakota Exposure Factor Datasets
Dietary Composition Proportion by volume of plant and animal foods in the esophagi of mallards. Total animal, 37.0: Gastropoda, 4.5; Insecta, 22.6; Crustacea, 7.5.
Total plant, 63.0: Seeds, 58.5; vegetation, 4.5; roots and tubers, 3.9. 		41 % (by volume) during breeding season, nonlaying female Not Reported drift prairie and Missouri Coteau in south-central North Dakota Exposure Factor Datasets
Dietary Composition Proportion by volume of plant and animal foods in the esophagi of mallards. Total animal, 71.9: Gastropoda, 16.4; Insecta, 27.1; Crustacea, 12.9, Oligochaeta, 11.8.
Total plant, 28.1; seeds, 24.8; vegetation 3.3; roots and tubers, 2.8. 		37 % (by volume) during breeding season, laying female Not Reported drift praire and Missouri Coteau in south-central North Dakota Exposure Factor Datasets

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