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Anas platyrhynchos

Citation:

Food availability and preference of juvenile mallards

Author(s)
Chura, Nicholas J.
Pages
121-134
Year
Volume
26
Exposure Endpoint Type Endpoint Value Sex Life Cycle Stage Location Sample Size Type
Dietary Composition flora (2.6%), fauna (97.4%) Both Male and Female Juvenile Bear River Migratory Bird Refuge 94 Exposure Factor Datasets
Dietary Composition flora (10.5%), fauna (89.5%) Both Male and Female Juvenile Bear River Migratory Bird Refuge 94 Exposure Factor Datasets
Dietary Composition flora (25.3%), fauna (74.7%) Both Male and Female Juvenile Bear River Migratory Bird Refuge 94 Exposure Factor Datasets
Dietary Composition flora (50.6%), fauna (49.4%) Both Male and Female Juvenile Bear River Migratory Bird Refuge 94 Exposure Factor Datasets
Dietary Composition flora (71%), fauna (29%) Both Male and Female Juvenile Bear River Migratory Bird Refuge 94 Exposure Factor Datasets
Dietary Composition flora (89.4%), fauna (10.6%) Both Male and Female Juvenile Bear River Migratory Bird Refuge 94 Exposure Factor Datasets
Dietary Composition flora (99.1%), fauna (0.92%) Both Male and Female Juvenile Bear River Migratory Bird Refuge 94 Exposure Factor Datasets
Dietary Composition flora (99.9%), fauna (0.08%) Both Male and Female Juvenile Bear River Migratory Bird Refuge 94 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 Sex Life Cycle Stage Location Sample Size Type
Growth Rate 0.0692 growth rate estimated from logistic growth curve 0.0030 (SE) Both Male and Female Juvenile central North Dakota Not Reported Exposure Factor Datasets
Citation:

Temporal and geographic estimates of survival and recovery rates for the mallard, 1950 through 1985.

Author(s)
Chu, D.S. and J.B. Hestbeck
Pages
57
Publisher
U.S. Department of Interior, Fish and Wildlife Service, Fish and Wildlife Technical Report 20
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Error Sex Life Cycle Stage Location Sample Size Type
Survival/ Mortality 0.6279 survival estimates for birds banded 1966-1985 0.009 (SE) Male Adult Northern California 18,289 Exposure Factor Datasets
Survival/ Mortality 0.5664 survival estimates for birds banded 1972-1981 0.0263 (SE) Male Adult Central California 776 Exposure Factor Datasets
Survival/ Mortality 0.5390 survival estimates for birds banded 1966-1985 0.0228 (SE) Male Juvenile Northern California 11,372 Exposure Factor Datasets
Survival/ Mortality 0.3948 survival estimates for birds banded 1972-1981 0.0458 (SE) Male Juvenile Central California 1,396 Exposure Factor Datasets
Survival/ Mortality 0.5447 survival estimates for birds banded 1966-1985 0.0128 (SE) Female Adult Northern California 13,704 Exposure Factor Datasets
Survival/ Mortality 0.5462 survival estimates for birds banded 1972-1981 0.0561 (SE) Female Adult Central California 1,240 Exposure Factor Datasets
Survival/ Mortality 0.5626 survival estimates for birds banded 1966-1985 0.0445 (SE) Female Juvenile Central California 8,205 Exposure Factor Datasets
Survival/ Mortality 0.3948 survival estimates for birds banded 1972-1981 0.0458 (SE) Female Juvenile Central California 1,396 Exposure Factor Datasets
Citation:

Growth and energy consumption by captive mallards

Author(s)
Sugden, Lawson G., E.A. Driver and Michael C.S. Kingsley
Pages
1567-1570
Issue
8
Volume
59
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Sample Size Type
Growth Rate 222 maximum growth rate based on body weight g/wk Male Juvenile 63 Exposure Factor Datasets
Growth Rate 195 maximum growth rate based on body weight g/wk Female Juvenile 72 Exposure Factor Datasets
Food Ingestion Rate 376.2 food intake of 8 week old mallards 25.6 (SE) g/wk Both Male and Female Juvenile 15 Exposure Factor Datasets
Metabolic Rate 191 metabolized energy in 8 week old mallards kcal/d Both Male and Female Juvenile 15 Exposure Factor Datasets
Body Weight - Mean 936.1 mean body weight of 8 week old mallards g Both Male and Female Juvenile 15 Exposure Factor Datasets
Citation:

Production of mallards on irrigated land in the Sacramento Valley

Author(s)
Earl, John P.
Pages
23
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Territory Size 70 mean length of drainage ditch (5 ft wide) defended 48-95 yd Male Adult Conaway Ranch 8 ducks Exposure Factor Datasets
Time of Hatching or Parturition May 16-29 peak hatching period Both Male and Female Hatchling Conaway Ranch Not Reported Exposure Factor Datasets
Population Density 396 breeding density pairs/18000 acres Both Male and Female Adult Conaway Ranch 396 pairs Exposure Factor Datasets
Time of Nesting April-June time from earliest clutch laid to last clutch hatched Female Adult Conaway Ranch Not Reported Exposure Factor Datasets
Hatching Success 52 proportion of nests that hatched at least one egg % Female Adult Conaway Ranch 60 nests Exposure Factor Datasets
Clutch or Litter Size 8.37 mean clutch size 7-10 eggs Female Adult Conaway Ranch 40 nests Exposure Factor Datasets
Population Density 0.72 ducks/acre Both Male and Female Both Adults and Juveniles Conaway Ranch Not Reported Exposure Factor Datasets

Rallus longirostris ssp. obsoletus

Citation:

Breeding biology of the California clapper rail in South San Francisco Bay

Author(s)
Harvey, Thomas E.
Pages
98-104
Year
Volume
24
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 7.27 mean clutch size 0.96 SD 6-9 Female Adult south San Francisco Bay 26 nests Exposure Factor Datasets
Duration of Incubation or Gestation 24.2 mean incubation period 22-29 d Both Male and Female Embryo south San Francisco Bay 5 nests Exposure Factor Datasets
Hatching Success 56% proportion of nests in which at least one egg hatched Both Male and Female Hatchling south San Francisco Bay 50 nests Exposure Factor Datasets
Time of Mating/ Laying late March beginning of lay Both Male and Female Hatchling south San Francisco Bay Not Reported Exposure Factor Datasets
Population Density 1.47 mean breeding density based on rope drag and call count data birds/ha Both Male and Female Adult south San Francisco Bay-Dumbarton Point 68 ha Exposure Factor Datasets
Population Density 0.89 mean breeding density based on rope drag and call count data birds/ha Both Male and Female Adult south San Francisco Bay - Mowry Slough 117 ha Exposure Factor Datasets
Population Density 0.69 mean breeding density based on rope drag and call count data birds/ha Both Male and Female Adult south San Francisco Bay - Ideal Marsh 55 ha Exposure Factor Datasets

Rallus longirostris ssp. levipes

Citation:

Movements and activity patterns of the light-footed clapper rail

Author(s)
Zembal, Richard, Barbara W. Massey and Jack M. Fancher
Pages
39-42
Year
Issue
1
Volume
53
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Home Range 0.81 mean home range size of radiotagged and untagged birds 0.36-1.66 ha Both Male and Female Adult upper Newport Bay 9 radiotagged birds Exposure Factor Datasets

Phalacrocorax auritus

Citation:

Caloric intake of nestling double-crested cormorants

Author(s)
Dunn, Erica H.
Pages
553-565
Year
Volume
92
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition cunner (59.7%), winter flounder (15.5%), sculpin (2.4%), rock eel (0.3%), American eel (6.6%), pollack (9.8%), mummichog (5.8%) frequency by weight of fish regurgitated by adult cormorants Both Male and Female Adult Duck Island, Isles of Shoals (43 deg. N, 70 deg. 35' W) 17 samples Exposure Factor Datasets
Food Ingestion Rate see figure estimated average energy intake during the nestling period (to 50 days of age) kcal/bird/day Both Male and Female Nestling Duck Island, Isles of Shoals (43 deg. N, 70 deg. 35' W) Not Reported Exposure Factor Datasets
Citation:

Development of endothermy and existence energy expenditure of nestling double-crested cormorants

Author(s)
Dunn, Erica H.
Pages
350-356
Year
Volume
78
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Metabolic Rate oxygen consumption during brooding period (to about 2 wks of age) 1.0-1.5 cm^3/g BW/hr Both Male and Female Nestling Duck Island, Isle of Shoals (43 deg. 00'N, 70 deg 35'W) Not Reported Exposure Factor Datasets
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OEHHA California Office of Environmental Health Hazard Assessment