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| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | mammal (57%), insect (42%), other (1%) | percent composition of sample pellets (by volume) | Both Male and Female | Adult | agricultural lands | 59 pellets | Exposure Factor Datasets |
| Dietary Composition | mammal (43%), insect (51%), other (6%) | percent composition of sample pellets (by volume) | Both Male and Female | Adult | agricultural lands | 71 pellets | Exposure Factor Datasets |
| Dietary Composition | mammal (39%), insect (60%), other (6%) | percent composition of sample pellets (by volume) | Both Male and Female | Adult | agricultural lands | 95 pellets | Exposure Factor Datasets |
| Dietary Composition | mammal (24%), insect (74%), other (2%) | percent composition of sample pellets (by volume) | Both Male and Female | Adult | agricultural lands | 104 pellets | Exposure Factor Datasets |
| Dietary Composition | mammal (82%), insect (16%), other (2%) | percent composition of sample pellets (by volume) | Both Male and Female | Adult | agricultural lands | 116 pellets | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Population Density | 48 | individuals in 175 km2 | Both Male and Female | Both Adults and Juveniles | agricultural lands, woodlots, meadows | 1 study area | Exposure Factor Datasets |
| Population Density | 50 | individuals in 175 km2 | Both Male and Female | Adult | agricultural lands, woodlots, meadows | 1 study area | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 5.0 | three year mean fledging rate | 3.5-5.46 | number of fledglings per nest | Both Male and Female | Fledgling | rural and urban lands | 28 pairs | Exposure Factor Datasets |
| Clutch or Litter Size | 5.1 | mean clutch size over 3 years | 4.8-5.2 | eggs per nest | Female | Adult | rural and urban lands | 28 pairs | Exposure Factor Datasets |
| Population Density | 0.06 | mean pair density in study area (194 km2) | 0.05-0.13 | pairs per km2 | Both Male and Female | Adult | rural and urban lands | 5 years | Exposure Factor Datasets |
| Population Density | 0.22 | mean density in study area | individuals per km2 | Both Male and Female | Both Adults and Juveniles | rural and urban lands | 5 years | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 2.2 | fledging rate per successful nest | fledglings per nest | Both Male and Female | Fledgling | American River; oak woodlands, grasslands, residential | 17 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Hatching Success | 79 | mean hatchability measured over 4 years | 70-83 | % | Both Male and Female | Hatchling | Great Basin (elev. 1260-2340 m) | 157 boxes | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | 28.4 | mean incubation period in captivity | 27-33 | d | Both Male and Female | Embryo | 5 | Exposure Factor Datasets |
| Clutch or Litter Size | 3.66 | mean clutch size in captivity | 3-4 | eggs | Female | Adult | 5 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Surface Area | 7.15 x 10E-3 | dorsal surface area | m^2 | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
| Surface Area | 7.15 x 10E-3 | ventral surface area | m^2 | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Error | Range | Units | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 3.2 | 0.06 | 2.4-3.9 | g | Adult, Neonate | Blue Lake, 75 long., 95 lat. | 47 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | 17 | minimum density | 8 SD | #/ha | Both Male and Female | Both Adults and Juveniles | Coreopsis habitat, Santa Barbara Island [lat.,33^o29' N, long., 119^o02' W] | Not Reported | Exposure Factor Datasets |
| Population Density | 5 | minimum density | #/ha | Both Male and Female | Both Adults and Juveniles | Suaeda habitat, Santa Barbara Island [lat.,33^o29' N, long., 119^o02' W] | Not Reported | Exposure Factor Datasets | |
| Population Density | 2 | Minimum density | #/ha | Both Male and Female | Both Adults and Juveniles | grassland habitat, Santa Barbara Island [lat.,33^o29' N, long., 119^o02' W] | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 17.6 | 2.91 SD | g | Both Male and Female | Adult | White Mountain Research Station (elev., 3800 m) | 20 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.06 | potential litter size estimated using the larger of corpora lutea count or embryo sites | 0.16 SE | #/litter | Female | Adult | White Mountain (elev., 9,800 ft) | 72 | Exposure Factor Datasets |
| Clutch or Litter Size | 4.73 | potential litter size estimated using the larger of corpora lutea count or embryo sites | 0.67 SE | #/litter | Female | Adult | White Mountain (elev., 7,000 ft) | 30 | Exposure Factor Datasets |
| Clutch or Litter Size | 4.00 | potential litter size estimated using the larger of corpora lutea count or embryo sites | 1.00 SE | #/litter | Female | Adult | White Mountain (elev., 4,500 ft) | 2 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 2.1 | 0.1 SE | g | Male | Neonate | captured in Nebraska | 33 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 70 | mean daily ingestion of barley at 15 C | g/day/duck | Male | Juvenile | 16 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 61 | average survival rate of birds banded 1948-1982 | percent | Male | Adult | Sacramento and San Joaquin Valleys, n.e. CA | Not Reported | Exposure Factor Datasets |
| Survival/ Mortality | 56 | average survival rate of birds banded 1948-1982 | % | Female | Adult | Sacramento and San Joaquin Valleys, n.e. CA | Not Reported | Exposure Factor Datasets |
| Survival/ Mortality | 47 | average survival rate of birds banded 1948-1982 | % | Male | Juvenile | Sacramento and San Joaquin Valleys, n.e. CA | Not Reported | Exposure Factor Datasets |
| Survival/ Mortality | 46 | average survival rate of birds banded 1948-1982 | % | Female | Juvenile | Sacramento and San Joaquin Valleys, n.e. CA | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Water Ingestion Rate | 0.18 | "drinking" measured as 125I-iothalamate uptake in gut after 2 hrs | 0.02 SE | ml/100 g/hr | Not Reported | Tadpole | 8 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 9.1 | mean density measured on both banks of river | #/linear river km | Not Reported | Adult | lower Colorado River between Laguna and Morelos Dams | 3 visual counts | Exposure Factor Datasets |
| Dietary Composition | crayfish (24%), wolf spiders (36%), long horned earwigs (20%), sowbugs (25%), german cockroaches (14%), crickets (16%), vascular plants (36%), inorganic material (12%), other animals (10%) | % frequency of occurence in stomach contents | Not Reported | Adult | lower Colorado River between Laguna and Morelos Dams | 100 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 8.6 | mean activity radius; median = 7.2 ft; mode = 5.0-5.9 ft | 2.0 - 37.1 | ft | Both Male and Female | Adult | pond at Go Home Bay, Ontario [lat.,45N; long., 79^o59'W] | 131 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Growth Rate | 0.4 | measured at 25C; Taylor-Kollros stages | stages/d | Not Reported | Tadpole | 11-14 | Exposure Factor Datasets |
| Growth Rate | 0.02 | measured at 25C; Taylor-Kollros stages | stages/d | Not Reported | Tadpole | 11-14 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | May - June | Female | Adult | Ridge Lake, Charleston, Coles County | Not Reported | Exposure Factor Datasets | |||
| Body Weight - Mean | 0.02 | at metamorphosis | lbs | Not Reported | Ridge Lake, Charleston, Coles County | 48 | Exposure Factor Datasets | ||
| Body Weight - Mean | 0.01 - 0.10 | lbs | Not Reported | Ridge Lake, Charleston, Coles County | 5-13 | Exposure Factor Datasets |
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