| 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 |
