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Anas platyrhynchos

Citation:

Laying dates, clutch size and egg weight of captive mallards

Author(s)
Batt, Bruce D.J., and Harold H. Prince
Pages
35-41
Year
Volume
81
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Type
Time of Nesting April-June date of nest initiation Female Adult 151 Exposure Factor Datasets
Citation:

Survival and nest success of sympatric female mallards, Anas platyrynchos, and American black ducks, Anas rubripes, breeding in a forested environment

Author(s)
Dwyer, Chris P. and Guy A. Baldassare
Pages
213-216
Year
Issue
2
Volume
107
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 9.3 1.3 (SD) eggs Female Adult Adirondack Mountains 18 Exposure Factor Datasets
Duration of Incubation or Gestation 28 d Female Adult Adirondack Mountains 18 Exposure Factor Datasets
Hatching Success 67% proportion of tagged females that hatched clutches Female Adult Adirondack Mountains 18 Exposure Factor Datasets
Survival/ Mortality 88% survival of tagged females over the breeding period Female Adult Adirondack Mountains 22 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 Units Sex Life Cycle Stage Location Sample Size Type
Duration of Incubation or Gestation 28 d Both Male and Female Embryo lower Flathead Valley Not Reported Exposure Factor Datasets
Citation:

Mid-winter food use and body weights of mallards and wood ducks in Mississippi

Author(s)
Delnicki, D. and K.J. Reinecke
Pages
43-51
Year
Volume
50
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 1,239 3 (SE) 1181-1314 g Male Both Adults and Juveniles Mississippi Alluvial Valley 1,477 Exposure Factor Datasets
Body Weight - Mean 1,079 4 (SE) 1,040-1,139 g Female Both Adults and Juveniles Mississippi Alluvial Valley 641 Exposure Factor Datasets
Dietary Composition animal (3.0%), plant (97.0%) percent composition of esopageal food samples Both Male and Female Both Adults and Juveniles Mississippi Alluvial Valley 2,118 Exposure Factor Datasets
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

Athene cunicularia

Citation:

Diets of five species of desert owls

Author(s)
Barrows, Cameron W.
Pages
1-10
Year
Issue
1
Volume
20
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Dipodomys sp (8-18%), Perognathus sp (4-29%), insects (53-75%), crayfish (0-9%), reptiles (0-5%), birds (0-1%) frequency of occurence in pellets Both Male and Female Adult Coachella Valley 3 burrows Exposure Factor Datasets
Citation:

Note on food habits of the screech owl and the burrowing owl of southeastern Oregon

Author(s)
Brown, Barbara A., John O. Whitaker, Thomas W. French and Chris Maser
Pages
421-426
Year
Issue
3
Volume
46
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Dietary Composition vertebrates (14.3%), invertebrates (85.7%) percent of diet based on pellet analysis Both Male and Female Adult Malheur county 150 pellets Exposure Factor Datasets
Citation:

Behavior and population ecology of the burrowing owl, Speotyto cunicularia, in the Imperial Valley of California

Author(s)
Coulombe, Harry N.
Pages
162-176
Year
Volume
73
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density breeding season density based on roadside censuses 12-13 birds/mi^2 Both Male and Female Adult Imperial Valley Not Reported Exposure Factor Datasets
Population Density fall/winter season density based on roadside censuses 3-4 birds/mi^2 Both Male and Female Adult Imperial Valley Not Reported Exposure Factor Datasets
Citation:

Results of the 1991 census of burrowing owls in central California: an alarmingly small and declining population

Author(s)
Desante, D.F., E. Ruhlen, S. Amin, and K.M. Burton
Pages
59
Year
Issue
1
Volume
27
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Population Density 925 estimate of number of pairs in census area pairs/43,235 km^2 Both Male and Female Not Reported San Francisco Bay and Central Valley areas 198 UTM blocks censused Exposure Factor Datasets
Citation:

Nesting success and habitat relationships of burrowing owls in the Columbia River Basin, Oregon

Author(s)
Green, Gregory A and Robert G. Anthony
Pages
347-354
Year
Volume
91
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Fledging or Weaning Rate 50-57% percent of occupied nests that fledged young Both Male and Female Adult Gilliam, Morrow, and Umatilla counties 63-76 nests Exposure Factor Datasets
Dietary Composition arthropods (92%), vertebrates (8%) percent occurrence in diet based on pellet analysis Both Male and Female Not Reported Gilliam, Morrow, and Umatilla counties 5,559 pellets Exposure Factor Datasets
Citation:

Comparative diets of burrowing owls in Oregon and Washington

Author(s)
Green, Gregory A., Richard E. Fitzner, Robert G. Anthony and Lee E. Rogers
Pages
88-93
Year
Issue
2
Volume
67
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Dietary Composition vertebrate (86.7%), invertebrate (13.3%) diet composition by percent biomass in pellets Both Male and Female Adult Columbia Basin pellets 5,559 Exposure Factor Datasets

Citation:

Food habits of burrowing owls in southeastern Idaho

Author(s)
Gleason, R.L. and T.H. Craig
Pages
274-276
Year
Issue
3
Volume
39
Exposure Endpoint Type Endpoint Value Endpoint Description Location Sample Size Type
Dietary Composition mammal (68%), bird (1%), amphibian (3%), arachnids (4%), insects (25%) percent biomass from pellet analyses Idaho National Engineering Laboratory Site 421 Exposure Factor Datasets
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