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Anas platyrhynchos

Citation:

Body composition of female mallards in winter in relation to annual cycle events

Author(s)
Heitmeyer, Mickey E.
Pages
669-680
Year
Volume
90
Exposure Endpoint Type Endpoint Value Error Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 1,137 30 SE g Female Both Adults and Juveniles Mingo Basin 12 Exposure Factor Datasets
Body Weight - Mean 1,083 37 SE g Female Both Adults and Juveniles Mingo Basin 9 Exposure Factor Datasets
Body Weight - Mean 1,085 18 SE g Female Both Adults and Juveniles Mingo Basin 29 Exposure Factor Datasets
Body Weight - Mean 983 20 SE g Female Both Adults and Juveniles Mingo Basin 21 Exposure Factor Datasets
Body Weight - Mean 1,118 21 SE g Female Both Adults and Juveniles Mingo Basin 44 Exposure Factor Datasets
Body Weight - Mean 1,068 22 SE g Female Both Adults and Juveniles Mingo Basin 34 Exposure Factor Datasets
Body Weight - Mean 1,048 12 SE g Female Both Adults and Juveniles Mingo Basin 45 Exposure Factor Datasets
Body Weight - Mean 1,193 15 SE g Female Both Adults and Juveniles Mingo Basin 35 Exposure Factor Datasets
Body Weight - Mean 1,280 13 SE g Female Both Adults and Juveniles Mingo Basin 10 Exposure Factor Datasets
Body Fat (total or %) 65 14 SE g (lipid) Female Both Adults and Juveniles Mingo Basin 11 Exposure Factor Datasets
Body Fat (total or %) 104 10 SE g (lipid) Female Both Adults and Juveniles Mingo Basin 17 Exposure Factor Datasets
Body Fat (total or %) 134 7 SE g (lipid) Female Both Adults and Juveniles Mingo Basin 12 Exposure Factor Datasets
Body Fat (total or %) 111 8 SE g (lipid) Female Both Adults and Juveniles Mingo Basin 9 Exposure Factor Datasets
Body Fat (total or %) 145 7 SE g (lipid) Female Both Adults and Juveniles Mingo Basin 19 Exposure Factor Datasets
Body Fat (total or %) 102 12 SE g (lipid) Female Both Adults and Juveniles Mingo Basin 14 Exposure Factor Datasets
Body Fat (total or %) 168 8 SE g (lipid) Female Both Adults and Juveniles Mingo Basin 32 Exposure Factor Datasets
Body Fat (total or %) 141 13 SE g (lipid) Female Both Adults and Juveniles Mingo Basin 24 Exposure Factor Datasets
Body Fat (total or %) 110 11 SE g (lipid) Female Both Adults and Juveniles Mingo Basin 26 Exposure Factor Datasets
Body Fat (total or %) 188 13 SE g (lipid) Female Both Adults and Juveniles Mingo Basin 23 Exposure Factor Datasets
Body Fat (total or %) 219 13 SE g (lipid) Female Both Adults and Juveniles Mingo Basin 6 Exposure Factor Datasets
Citation:

Protein costs of the prebasic molt of female mallards

Author(s)
Heitmeyer, Mickey E.
Pages
263-266
Year
Volume
90
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Location Sample Size Type
Food Ingestion Rate 3.9 g protein/day Female Adult Ted Shanks Wildlife Management Area 183 birds Exposure Factor Datasets
Citation:

The mallard: Its management in western Montana

Author(s)
Girard, G. L.
Pages
233-259
Year
Volume
5
Exposure Endpoint Type Endpoint Value Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Sago pondweed (Potamogeton pectinatus); Leafy pondweed (P. foliosus); small pondweed (P. pusillus); smartweed (Polygonum amphibium); widgeon grass (Ruppia maritima); redhead grass (Potamogeton perfoliatus); muskgrass (Chara spp.); duckweeds (Lemna minor and L. trisulca); horned pondweed (Zannichellia palustris); duck potato (Sagittaria arifolia); water spikerush (Eleocharis acicularis) Both Male and Female Not Reported lower Flathead Valley Not Reported Exposure Factor Datasets
Citation:

Food preferences of mallards on the Chippewa National Forest, Minnesota

Author(s)
Stoudt, Jerome H.
Pages
100-112
Year
Volume
8
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Zizania aquatica, 35.5%; Potmogeton strictifolius, 22.8%; Sparganium chlorocarpum, 11.1%; Scirpus validus, 4.0%; Potamogeton natans, 3.4%; Potamogeton richardsonii, 2.3%; Naias flexilis, 2.0%; Ceratophyllum demensum, 1.5%; Potamogeton spectinatus, 1.5%; Carex spp., 1.4%; Potamogeton zosteriformis, 1.3%; Carex pseudo-cyperus, 1.0%; Scirpus acutus, 1.0% % (by volume) Not Reported Not Reported Chippewa National Forest 306 Exposure Factor Datasets
Citation:

A model of the productivity of the mallard

Author(s)
Johnson, Douglas H., Donald W. Sparling and Lewis M. Cowardin
Pages
257-275
Year
Volume
38
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Time of Migration or Dispersal March 15 - May 10 arrival at breeding grounds Both Male and Female Adult prairie pothole region of the U.S. Not Reported Exposure Factor Datasets
Citation:

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

Author(s)
Swanson, George A., Mavis I. Meyer, and Vyto A. Adomaitis
Pages
197-203
Year
Issue
1
Volume
49
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition 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. Proportion by volume of plant and animal foods in the esophagi of mallards. % (by volume) Male Not Reported drift prairie and missouri Coteau of south-central North Dakota 39 Exposure Factor Datasets
Dietary Composition 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. Proportion by volume of plant and animal foods in the esophagi of mallards. % (by volume) Female Not Reported drift prairie and Missouri Coteau in south-central North Dakota 41 Exposure Factor Datasets
Dietary Composition 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. Proportion by volume of plant and animal foods in the esophagi of mallards. % (by volume) Female Not Reported drift praire and Missouri Coteau in south-central North Dakota 37 Exposure Factor Datasets
Citation:

Home range and habitat use of forest-dwelling mallards in Minnesota

Author(s)
Kirby, Ronald E., John H. Riechmann and Lewis M. Cowardin
Pages
215-219
Year
Issue
2
Volume
97
Exposure Endpoint Type Endpoint Value Range Units Sex Life Cycle Stage Location Sample Size Type
Home Range 540 40-1440 ha Female Adult Bemidji, Beltrami Co. 8 Exposure Factor Datasets
Home Range 620 70-1140 ha Male Adult Bemidji, Beltrami Co. 5 Exposure Factor Datasets
Citation:

Use of prairie pothole habitat by breeding mallards

Author(s)
Dwyer, T.J., G.L. Krapu and D.M. Janke
Pages
526-531
Year
Issue
2
Volume
43
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Home Range 467.8 ha Female Adult Missouri Couteau, south-central North Dakota 6 Exposure Factor Datasets
Home Range 110.9 Breeding home range. ha Female Adult Missouri Coteau of south-central North Dakota 6 Exposure Factor Datasets
Citation:

Habitat use and home range of mallards breeding in Minnesota

Author(s)
Gilmer, David S., I.J. Ball, Lewis M. Cowardin, John H. Riechmann and John R. Tester
Pages
781-789
Year
Issue
4
Volume
39
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Home Range 210 Study area was 67% upland forest, 33% lakes and wetlands. ha Female Adult western edge of Chippewa National Forest, Beltrami Co. 12 Exposure Factor Datasets
Home Range 240 Study area was 67% upland forest, 33% lakes and wetlands. ha Male Adult western edge of Chippewa National Forest, Beltrami Co. 12 Exposure Factor Datasets
Home Range 135 Study area was 67% upland forest, 33% lakes and wetlands. ha Female Adult western edge of Chippewa National Forest, Beltrami County 8 Exposure Factor Datasets
Home Range 70 Study area was 67% upland forest, 33% lakes and wetlands. ha Female Adult western edge of Chippewa National Forest, Beltrami Co. 8 Exposure Factor Datasets
Citation:

Seasonal decline in brood sizes of sympatric waterfowl (Anas and Athya, Anatidae) and a proposed evolutionary explanation

Author(s)
Toft, Catherine A., David L. Trauger and Horatio W. Murdy
Pages
75-92
Year
Volume
53
Exposure Endpoint Type Endpoint Value Endpoint Description Location Sample Size Type
Time of Hatching or Parturition June 14 Average date of hatching for 3 years straight (1963-65) Northwest Territories, Canada 50 broods Exposure Factor Datasets
Citation:

Weights of wild mallard Anas platyrhynchos, gadwall A. strepera, and blue-winged teal A. discors during the breeding season

Author(s)
Lokemoen, John T., Douglas H. Johnson and David E. Sharp
Pages
122-130
Year
Volume
41
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 49.3 egg weight 3.5 SD g Not Reported Embryo central North Dakota 27 Exposure Factor Datasets
Body Weight - Mean 32.4 2.4 SD g Both Male and Female Hatchling central North Dakota 36 Exposure Factor Datasets
Body Weight - Mean 1020 g Female Adult central North Dakota 173 Exposure Factor Datasets
Body Weight - Mean 973 g Female Adult central North Dakota 177 Exposure Factor Datasets
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