Mammals
California Vole (Microtus californicus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 485 | metabolizable energy; equivalent to average daily metabolic rate | cal/g/d | Not Reported | 8 | Exposure Factor Datasets | 28 d or older | 16 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Clutches or Litters per year | 0.3 | litters per female per 12 wks | litters/12 wks | Female | Adult | 12 | Exposure Factor Datasets | subadult (4 wks) | 0.2 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | range of means for 2 yrs | young/litter | Female | Adult | 11/yr | Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] | Exposure Factor Datasets | Alameda |
| Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
|---|---|---|---|---|---|---|---|
| Survival/ Mortality | range of mean minimum survival rates per 14 d | Male | Juvenile | 2 periods of weekly sampling | Tilden Regional Park | Exposure Factor Datasets | "subadults" (26-39 g) |
Audubon's Cottontail (Sylvilagus audubonii)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutches or Litters per year | >2 | litters/yr | Female | Adult | Not Reported | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Longevity | 3.5 | longest recorded life span | yr | Both Male and Female | Adult | Not Reported | Berkeley Hills | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Mating/ Laying | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
San Joaquin Kit Fox (Vulpes macrotis ssp. mutica)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Population Density | see citation | figures showing seasonal abundance and density counts | Both Male and Female | Both Adults and Juveniles | 1,239 surveys (dry season); 883 surveys (wet season) | Exposure Factor Datasets | Kern, San Luis Obispo |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Jerusalem crickets (20%), unident. insects (4%), unident. birds (10%), desert cottontail (1%), rabbits (5%), California ground squirrel (27%), pocket mice (13%), western harvest mice (9%), Peromyscus sp. (9%), unident. cricetid rodents (5%) | percent volume of total prey items in scat | % | Both Male and Female | Not Reported | 10 scats | Bethany Reservoir | Exposure Factor Datasets | Alameda |
Kit Fox (Vulpes macrotis ssp. nevadensis)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | population density on 10,359.9 ha study area | ha/fox | Both Male and Female | Adult | foxes 9-22 | western Utah | Exposure Factor Datasets |
Fresno Kangaroo Rat (Dipodomys nitratoides ssp. exilis)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Population Density | range of average population density over 3 yrs | #/ha | Not Reported | Not Reported | 10-18/yr | Elkhorn Plain Ecological Reserve | Exposure Factor Datasets | San Luis Obispo |
Deer Mouse (Peromyscus maniculatus ssp. bairdii)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Wheat seeds (0.488 +/- 0.034 SE), Lespedeza seeds (0.376 +/- 0.044 SE), Elm seeds (0.013 +/- 0.004 SE), Maple seeds (0.017 +/- 0.003 SE). | weekly consumption rates of seeds | g/g/wk | Both Male and Female | Juvenile | 20 | Exposure Factor Datasets | 30-60 d | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | 23 | Mode | d | Female | Adult | 161 | Exposure Factor Datasets | Gestating | Laboratory |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | g | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. borealis)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Condition | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of mean weights for 6 time periods | g | Both Male and Female | Juvenile | 232-261 | Original pairs trapped at Heart Lake, Northwest Territories | Exposure Factor Datasets | 3-18 d | Nursing | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | 0.20 | g/d | Both Male and Female | Juvenile | 47 | adults captured at Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | 24 - 40 d | 0.05 SE | Laboratory | ||
| Growth Rate | 0.27 | difference in weight of newly emerged young between 1st and 2nd capture/ time interval (4-11d) | g/d | Male | Juvenile | 31 | Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | CANADA | 0.06 SE |
Deer Mouse (Peromyscus maniculatus ssp. gambelii)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 0.3 | mean dry stomach content mass | g | Female | Adult | 97 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.03 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 7.9 | average long term metabolic rate, assessed overnight | cc O2/g/h | Both Male and Female | Not Reported | 20 | collected 5 km east of Chico, Butte County, CA | Exposure Factor Datasets | 0.139 SD | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nebrascensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 60 | youngest age at conception | d | Male | Adult | Not Reported | captured in Alberta, Canada | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nubiterrae)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Water Ingestion Rate | 0.11 | experimental temperature = 15C | g/g/d | Male | Adult | 12 | captured in Macon County, NC | Exposure Factor Datasets | 0.01 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 4.2 | g | Both Male and Female | Juvenile | 62 | Exposure Factor Datasets | 1 wk | 0.13 | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 3.68 | oxygen consumption at 20C | ml O2/g/hr | Not Reported | Not Reported | 9 | captured at White Mountain Research Station or Salton Sea, CA | Exposure Factor Datasets | 0.272 SE | Laboratory |
Audubon's Cottontail (Sylvilagus audubonii ssp. audubonii)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Home Range | < 1 | acre | Female | Adult | 10 | Sacramento Valley, Durham | Exposure Factor Datasets |
Riparian Brush Rabbit (Sylvilagus bachmani ssp. riparius)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | review | reported average of 9-16 young/female/yr (data source not specified) | Female | Adult | Not Reported | Exposure Factor Datasets |
Ornate Shrew (Sorex ornatus)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Longevity | maximum recorded lifespan | mo | Not Reported | Adult | Not Reported | San Francisco Bay region | Exposure Factor Datasets |
Pallid Bat (Antrozous pallidus)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Dietary Composition | Review | Both Male and Female | Not Reported | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Lepidoptera (22.2), Gryllidae or Tettigoniidae (11.1), unident. insects (38.9), unident. Coleoptera (1.7), Cercopidae and Cicadellidae (1.7), Mymeleontidae (8.9), Carabidae (11.1), unident. Orthoptera (4.4) | percent volume of stomach contents | % | Not Reported | Not Reported | 9 | Big Bend National Park | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 20.6 | g | Male | Adult | 2 colonies | Exposure Factor Datasets | NR | Kern, San Luis Obispo |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | estimated oxygen consumption of animals with wings extended, at 25-27 C | ml O2/g BW/hr | Not Reported | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Coyote (Canis latrans)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Longevity | review | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | blueberries (68%); white-tailed deer (43%); snowshoe hare (30%); small mammals (21%); birds (2%) | % occurrence of food items in scats | % | Both Male and Female | Both Adults and Juveniles | 452 scats | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | mammals (28.9%; cottontail rabbit, 12.1%, Botta's pocket gopher, 6.8%); birds (15.9%); vegetation (21.7%); misc. (16.7%) | % frequency of occurrence of items in scats | % | Not Reported | Not Reported | 97 scats | El Cajon, near San Diego | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | mule deer (7%); small mammals (67%); reptiles (11%); insects (8%); fruits (5%); other (21%) | % frequency of food items in scats | % | Not Reported | Not Reported | 60 | Sierra National Forest (elev. 300 -3900 m) | Exposure Factor Datasets | Fresno |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of means for two adult age groups | kg | Male | Adult | 69 - 76 | Webb County [lat., 27^o20'-28^o00N; long., 99^o00'-99^o40'W] | Exposure Factor Datasets | >2.5 - >3.0 yrs |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | range over 6 counting periods | #/km2 | Both Male and Female | Not Reported | 28-40/period | Saguaro National Monument | Exposure Factor Datasets |
