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Exposure Endpoint Type | Endpoint Value | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 3.39 | 1.15 - 5.39 | acres | Female | Adult | Presidio County | 4 | Exposure Factor Datasets |
Population Density | 1 | #/1.63 acres | Male | Adult | Presidio County | Not Reported | Exposure Factor Datasets | |
Population Density | 1 | #/ 1.91 acres | Female | Adult | Presidio County | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Home Range | 28.2 | composite home range estimated by minimum area method | 16.6 SD | km2 | Male | Adult | Lancaster and Cass Counties | 5 | Exposure Factor Datasets |
Home Range | 24.2 | composite home range estimated by minimum area method | 20.7 SD | km2 | Female | Adult | Lancaster and Cass Counties | 4 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | mammals (64%); birds (1%); insects (10%); fruits (20%); misc. (5%) | annual diet determined by averaging monthly food type percent occurrence, obtained from scats | % | Not Reported | Not Reported | Welder Wildlife Refuge, Corpus Christi | 570-3610 scats/sample | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 5.4 | estimated by placental scars, number of foeti and 2 litters | 1.8 SD | young/litter | Female | Adult | Lower Fraser Valley, British Columbia | 20 | Exposure Factor Datasets |
Time of Hatching or Parturition | Apr. - May | Female | Adult | Lower Fraser Valley, British Columbia | 10 litters | Exposure Factor Datasets | |||
Time of Mating/ Laying | Jan. - Apr. | Both Male and Female | Adult | Lower Fraser Valley, British Columbia | 10 | Exposure Factor Datasets | |||
Dietary Composition | microtines (70.2%); rabbits (8.1%); domestic livestock (4.3%); passerines (2%); other mammals (4.7%); plants (10.3%); misc. (0.3%) | % scat volume | % | Not Reported | Not Reported | Lower Fraser Valley, British Columbia | 862 | Exposure Factor Datasets | |
Home Range | 7.7 | 95% home range estimated by minimum convex polygon method | 4.2 SD | km2 | Male | Adult | Lower Fraser Valley, British Columbia | 6 | Exposure Factor Datasets |
Home Range | 17.0 | 95% home range estimated by minimum convex polygon method | 20.7 SD | km2 | Female | Adult | Lower Fraser Valley, British Columbia | 3 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 0.35 | minimum density | #/km2 | Both Male and Female | Not Reported | Gibson and Carroll Counties | 34 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | BW = -0.5049 + 0.0469A | equation for predicting body weights (BW, g) of known age (A, days) pups | g | Both Male and Female | Juvenile | captured near Moscow, ID | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 0.5 | #/km2 | Not Reported | Not Reported | Red Bluff | Not Reported | Exposure Factor Datasets | |
Dietary Composition | rodents (27.7%); rabbits (2.9%); carnivores (1.1%); ungulates (28.5%); birds (2.4%); reptiles (1.2%); fish (0.3%); invertebrates (1.9%); vegetable matter (34.0%) | annual average % relative frequency of occurrence in scats | % | Not Reported | Not Reported | Red Bluff | 1042 scats | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|
Home Range | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Population Density | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Longevity | review | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Clutch or Litter Size | review | Female | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | grasses (81.6%); persimmon (3.7%); unidentified seeds (5.2%); other plant material (44.9%); grasshoppers (11.8%); beetles (12.5%); chicken (2.2%); other birds (3.7%); cottontail (13.9%); pocket gopher (5.9%); cotton rat (14.7%); wood rat (2.2%); pine vole (2.2%); coyote (28.7%); cattle (33.8%) | % frequency of occurrence in stomach contents | % | Not Reported | Not Reported | Cleveland, Grady and McClain Counties | 136 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 15.7 | overall annual home range estimated using the minimum convex polygon method | 4.2 SE | 2.1 - 47.7 | km2 | Both Male and Female | Adult | Saguaro National Park, Pima County (elev., 800-1300m) | 9 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | leporids (66.5%); rodents (21.5%); livestock (17.8%); coyote (2.1%); birds (17.8%); reptiles (5.4%); insects (18.6%); fruit (4.5%); other (2.1%); refuse (5.8%) | % frequency of occurrence in stomach contents estimated over 6 yrs | % | Not Reported | Not Reported | Naval Petroleum Reserves, Bakersfield (elev., 88-473m) | 242 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.87 | mean annual survival rate | Both Male and Female | Adult | Pinon Canyon Maneuver Site, Trinidad (elev., 1310-1740 m) | 52 | Exposure Factor Datasets | |
Survival/ Mortality | 0.52 | mean annual survival rate | Both Male and Female | Juvenile | Pinon Canyon Maneuver Site, Trinidad (elev., 1310-1740 m) | 16 | Exposure Factor Datasets | |
Population Density | 0.29 | pre-whelping density | #/km2 | Both Male and Female | Both Adults and Juveniles | Pinon Canyon Maneuver Site, Trinidad (elev., 1310-1740 m) | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Territory Size | range in sizes of areas used by nesting pairs | 0.26-3.1 | ac | Both Male and Female | Adult | Lawrence | 9 pairs | Exposure Factor Datasets | |
Clutch or Litter Size | 3.39 | mean clutch size (over 2 years) | eggs/clutch | Female | Adult | Lawrence | 33 records | Exposure Factor Datasets | |
Duration of Incubation or Gestation | 14 | d | Not Reported | Embryo | Lawrence | Not Reported | Exposure Factor Datasets | ||
Age at Fledging, Metamorphosis, Weaning | period from hatching to leaving nest | 9-12 | d | Not Reported | Fledgling | Lawrence | 8 birds | Exposure Factor Datasets | |
Clutches or Litters per year | number of broods raised in one nesting season | 1-2 | clutches/yr | Both Male and Female | Adult | Lawrence | 9 pairs | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Territory Size | nesting territory size | 2-3 | ac | Both Male and Female | Adult | Bloomington | 5 pairs | Exposure Factor Datasets | |
Time of Mating/ Laying | May 25, 26 (first clutch); June 10, 17 (second clutch) | initiation dates of first and second clutches | Both Male and Female | Adult | Bloomington | 2 nests | Exposure Factor Datasets | ||
Body Weight - Mean | 1-1.8 | g | Not Reported | Hatchling | Bloomington | 3 birds | Exposure Factor Datasets | ||
Duration of Incubation or Gestation | 13 d, 16 hr - 14 d, 2 hr | Not Reported | Embryo | Bloomington | 3 eggs | Exposure Factor Datasets | |||
Age at Fledging, Metamorphosis, Weaning | period from hatching to leaving nestd | 10.5-12 | d | Not Reported | Fledgling | Bloomington | 6 birds | Exposure Factor Datasets | |
Body Weight - Mean | 9.1-9.5 | g | Male | Adult | Bloomington | 3 birds | Exposure Factor Datasets | ||
Body Weight - Mean | 9.6-11.0 | g | Female | Adult | Bloomington | 4 birds | Exposure Factor Datasets | ||
Body Weight - Mean | 8.3 | mean body weight | g | Not Reported | Nestling | Bloomington | 3 birds | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Location | Sample Size | Type |
---|---|---|---|---|---|---|
Dietary Composition | mammals (53%); vegetation (23%); arthropods (9%); reptiles (1%); birds (1%); misc. (3%) | % frequency of occurrence in total food items identified in scats | % | Cuyamaca Rancho State Park (elev., 1525 m) | 748 items/223 scats | Exposure Factor Datasets |