Rodents (Rodentia)
Deer Mouse (Peromyscus maniculatus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Lepidoptera (71% in June); Graminae seeds (66% in July); crested wheat grass (76% in Aug.) | % of fragments identified in stomach contents; dominant food items for 3 months | % | Not Reported | Not Reported | 72 | Idaho National Engineering Lab. | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | 462 | maximum density | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | Coreopsis habitat, Santa Barbara Island [lat., 33^o29'N; long., 119^o02'W] | Exposure Factor Datasets | 56 SD |
| Population Density | 436 | maximum density | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | Suaeda habitat,Santa Barbara Island [lat.,33^o29' N, long., 119^o02' W] | Exposure Factor Datasets | 63 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 6.98 | field metabolic rate | ml CO2/g/h | Both Male and Female | Adult | 20 | White Mountain Research Station (elev., 3800 m) | Exposure Factor Datasets | Inyo, Mono | 1.12 |
| Metabolic Rate | 4.45 | field metabolic rate | ml CO2/g/h | Both Male and Female | Adult | 16 | White Mountain Research Station (elev., 1230 - 1830 m) | Exposure Factor Datasets | Inyo, Mono | 0.79 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | arthropods (38.4-66.0%); fungi (12.7-15.7%); seeds (18.7 - 29.8%); berries (1.0-12.3%); chlorophyllous plant matter (0.3 - 1.4%); achlorophyllous plant matter (1.3-1.9%) | % total volume of stomach contents; ranges over 2 yrs | % | Not Reported | Not Reported | 19-120/yr | burned forest, Manitouwadge, Ontario [lat., 49^o07'N; long., 85^o50'W] | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 16.2 | g | Female | Adult | 22 | Pinyon-juniper zone near Westgard Pass (elev., 2500 m) | Exposure Factor Datasets | Inyo | 3.1 SD | |
| Body Fat (total or %) | 0.7 | total body fat | g | Male | Adult | 35 | Pinyon-juniper zone near Westgard Pass (elev., 2500 m) | Exposure Factor Datasets | Inyo | 0.4 SD |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Condition | Error |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 16.9 | g | Both Male and Female | Adult | 23 | Blue Lake, 75 long., 95 lat. |
Exposure Factor Datasets | 2 years | Alpine | Breeding | 0.32 |
| Body Weight - Mean | 3.2 | g | Adult, Neonate | 47 | Blue Lake, 75 long., 95 lat. |
Exposure Factor Datasets | 0-1 day | Alpine | 0.06 |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | 0.70 | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | San Simon Valley, Portal (elev., 1370 m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Home Range | 0.43 | acres | Female | Adult | 12 | Consolidation Coal Company test pit, Roundup | Exposure Factor Datasets |
| Home Range | 0.35 | acres | Female | Juvenile | 8 | Consolidation Coal Company test pit, Roundup | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 1.12 | oxygen consumption at 10C during daily torpor | ml O2/g/hr | Not Reported | Not Reported | 17 | captured in Boulder County, CO | Exposure Factor Datasets | torpid | 0.35 SD | Laboratory |
| Metabolic Rate | 4.23 | oxygen consumption at 10C prior to torpor | ml O2/g/hr | Not Reported | Not Reported | 17 | captured in Boulder County, CO | Exposure Factor Datasets | 0.44 SD | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of mean weights taken every 2 wks for 10 wks in control sites | g | Female | Juvenile | 1-7/mo | University of British Columbia | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Mar. - Oct. | Both Male and Female | Adult | Not Reported | Cascade Mountains, Fish Lake [lat., 47^o,49'N; long., 120^o, 40'W] | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 1.57 | g | Both Male and Female | Neonate | 45 | Exposure Factor Datasets | at birth | 0.02 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | based on presence of recent corpora lutea; ages inferred from body weights | d | Female | Adult | 1546 | western slope of Sierra Nevada (elev., 3500-5000 ft.) | Exposure Factor Datasets | Plumas |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 1.42 | annual composite home range estimated by principal component method (95% probability) | ha | Not Reported | Not Reported | 509 recapture loci | Warm Springs Valley, Washoe County | Exposure Factor Datasets |
Salt-marsh Harvest Mouse (Reithrodontomys raviventris)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | 25 | d | Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory | ||
| Age at Fledging, Metamorphosis, Weaning | 21 | length of weaning period | d | Not Reported | Juvenile | Not Reported | Exposure Factor Datasets | Laboratory |
California Vole (Microtus californicus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 0.0251 (10C); 0.0179 (20C); 0.0114 (30C) | mean minium metabolic rate estimated as oxygen consumption at ambient temperatures (10-30C) | ml O2/g/min | Not Reported | Not Reported | 6/group | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of mean values for 4 grids over 3 yrs | g | Male | Adult | 1 - 20 | Russell Reservation, Berkeley | Exposure Factor Datasets | Contra Costa | breeding |
| Body Weight - Mean | range of mean values for 4 grids over 3 yrs | g | Male | Adult | 1 - 23 | Russell Reservation, Berkeley | Exposure Factor Datasets | Contra Costa | non-breeding |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.17 | pups/litter | Female | Adult | 220 | captured in Sonoma County, CA | Exposure Factor Datasets | 0.2 SE | Laboratory |
| Clutch or Litter Size | 4.25 | pups/litter | Female | Adult | 65 | captured in Contra Costa County, CA | Exposure Factor Datasets | 0.28 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Home Range | range in home range (minimum area probability, 0.95) over 2 yrs | m2 | Female | Adult | 7/yr | Richmond Field Station | Exposure Factor Datasets | Contra Costa |
| Home Range | range in home range (minimum area probability, 0.95) over 2 yrs | m2 | Male | Adult | 4-7/yr | Richmond Field Station | Exposure Factor Datasets | Contra Costa |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.2 | pups/litter | Female | Adult | 12 | Volta | Exposure Factor Datasets | Merced |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 206 | fed rabbit pellets for 21 d | mg/g/d | Not Reported | 5 | Exposure Factor Datasets | 28 d or older | 6 SE | Laboratory | |
| Food Ingestion Rate | 254 | fed bromegrass for 21 d | mg/g/d | Not Reported | 7 | Exposure Factor Datasets | 28 d or older | 8 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.20 | mean embryo number per female | embryos/female | Female | Adult | 154 | San Francisco Bay, San Rafael | Exposure Factor Datasets | Marin | 1.41 SD |
| Age at Fledging, Metamorphosis, Weaning | 2 | wks | Not Reported | Juvenile | Not Reported | San Francisco Bay, San Rafael | Exposure Factor Datasets | Marin |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of monthly means at 3 locations | g | Male | Both Adults and Juveniles | 9-169/mo and site | Tilden Regional Park and Richmond Field Station | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 0.53 | mean basal oxygen consumption at 28 degree C | ml O2/g/ hr | Not Reported | Not Reported | 10 | Exposure Factor Datasets | 0.04 | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Population Density | peak density | #/acre | Both Male and Female | Both Adults and Juveniles | Not Reported | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | Contra Costa |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | see citation | figure of seasonal changes in density | #/acre | Both Male and Female | Not Reported | Not Reported | Tilden Regional Park, Berkeley (elev. 600-1200 ft) | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. artemisiae)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | green plant materials (3.0%); seed fragments (7.0%); arthropods (48.0%); other animal tissue (8.0%); unidentified (33%) | % volume of stomach contents | % | Both Male and Female | Both Adults and Juveniles | 39 | Grand Teton National Park | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. bairdii)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 0.60 | existence metabolism for captive animals at 20 C | kcal/g/d | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | summer-acclimatized | Laboratory | |
| Metabolic Rate | 0.49 | existence metabolic rate for captive animals at 20 C | kcal/g/d | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | winter-acclimatized | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 1.64 | g | Both Male and Female | Neonate | 63 | captured pregnant mice in spring at Ann Arbor, MI | Exposure Factor Datasets | 0 d | Laboratory |
| Body Weight - Mean | 1.53 | g | Both Male and Female | Neonate | 55 | captured pregnant mice during fall at Ann Arbor, MI | Exposure Factor Datasets | 0 d | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 15.45 | g | Not Reported | Adult | 39 | Exposure Factor Datasets | 52 d | 0.67 | Laboratory | ||
| Growth Rate | see citation | figure of changes in body weight over time | g/d | Not Reported | Both Adults and Juveniles | 39 | Exposure Factor Datasets | 0 - 58d | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. borealis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | age at first conception | d | Female | Adult | 3 | Original pairs trapped at Heart Lake, Northywest Territories | Exposure Factor Datasets | Laboratory | ||
| Clutch or Litter Size | 5.03 | Female | Adult | 98 | Original pairs trapped at Heart Lake, Northwest Territories | Exposure Factor Datasets | 0.18 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries |
|---|---|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 31 | average survival to weaning | % | Both Male and Female | Juvenile | 372 | Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | CANADA | |
| Survival/ Mortality | 81 | average summer survival per 14 d | % | Both Male and Female | Juvenile | 639 | Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | "young of the yr" | CANADA |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.25 | #/litter | Female | Adult | 137 | Kananaskis Valley, Alberta (elev., 1370 - 2700m) | Exposure Factor Datasets | CANADA | 0.07 SE |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 19.7 | g | Male | Adult | 55 | Heart Lake Biological Station, Northwest Territories | Exposure Factor Datasets | CANADA | 0.33 |
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 | 0.25 | mean dry stomach content mass | g | Female | Juvenile | 46 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.04 SE |
| Food Ingestion Rate | 0.17 | mean dry stomach content mass | g | Male | Juvenile | 23 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.03 SE |
Deer Mouse (Peromyscus maniculatus ssp. labecula)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 2.1 | g | Male | Neonate | 22 | captured in Mexico | Exposure Factor Datasets | 1 d | 0.1 SE | Laboratory |
| Body Weight - Mean | 8.9 | g | Both Male and Female | Juvenile | 93 | Exposure Factor Datasets | 14 d | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nebrascensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | 19.2 | mean age at physiological independence | d | Not Reported | Juvenile | Not Reported | Exposure Factor Datasets | Laboratory | ||
| Growth Rate | range of mean growth estimated at ages 0,3,6,9,12,15 d | g/d | Not Reported | Juvenile | 160 - 257/time | Exposure Factor Datasets | 0 - 15 d | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nubiterrae)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | Arthropods (30.0 +/- 3.62% SE), Lepidopteran larvae (0.2 +/- 0.16% SE), Lepidopteran adults (25.6 +/- 4.32% SE), Fruit (3.5 +/- 2.06% SE), Green vegetation (12.3 +/- 3.35% SE), Fungi (0.3 +/- 0.29% SE), Nuts/Seeds (24.0 +/- 6.98% SE), Unknown (4.1 +/- 2.12% SE) | Mean percentage frequency of occurrence of each item in stomach contents | Not Reported | Both Adults and Juveniles | 20 | Mountain Lake Biological Station, Giles Co. | Exposure Factor Datasets |
| Dietary Composition | Arthropods (45.9 +/- 7.15% SE), Lepidopteran larvae (1.5 +/- 0.63% SE), Lepidopteran adults (6.7 +/- 2.94% SE), Fruit (1.1 +/- 0.73% SE), Green vegetation (17.5 +/- 3.76% SE), Fungi (1.0 +/- 1.01% SE), Nuts/Seeds (23.1 +/- 9.68% SE), Unknown (3.0 +/- 1.96% SE) | Mean percentage frequency of occurrence of each item in stomach contents | Not Reported | Both Adults and Juveniles | 10 | Mountain Lake Biological Station, Giles Co. | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Surface Area | range of means for 6 groups, estimated from removed skins | cm2 | Not Reported | Adult | 11/group | Mice trapped near Palmdale, Los Angeles County, CA | Exposure Factor Datasets | Laboratory |
| Metabolic Rate | range of means for 5 groups | ml O2 /g/hr | Not Reported | Adult | 11/group | Mice trapped near Palmdale, Los Angeles County, CA | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 20.38 | g | Not Reported | Not Reported | 5 | Exposure Factor Datasets | Laboratory |
San Joaquin Antelope Squirrel (Ammospermophilus nelsoni)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Home Range | 10.81 | minimum convex polygon estimate, corrected for sample size bias, based on radiotelemetry and mark-release trapping | ha | Both Male and Female | Both Adults and Juveniles | 15 | Elkhorn Plain Ecological Reserve | Exposure Factor Datasets | San Luis Obispo | 12.53 SD |
| Population Density | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | Elkhorn Plain Ecological Reserve | Exposure Factor Datasets | San Luis Obispo |
California Ground Squirrel (Spermophilus beecheyi)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 589 | g | Female | Adult | 41 | University of California, Santa Cruz Campus ( elev., 120 m) [lat., 37^0W; long., 122^oW] | Exposure Factor Datasets | Santa Cruz | pregnant |
| Body Weight - Mean | 571 | g | Female | Adult | 100 | University of California, Santa Cruz Campus ( elev., 120 m) [lat., 37^0W; long., 122^oW] | Exposure Factor Datasets | Santa Cruz | lactating |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 592 | g | Female | Adult | 10 | Exposure Factor Datasets | ||
| Population Density | 76 | #/acre | Not Reported | Not Reported | 3 counts | Walnut Creek | Exposure Factor Datasets | Contra Costa |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Molt | April; June; July | Not Reported | Not Reported | Not Reported | University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] | Exposure Factor Datasets | Santa Cruz |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | see citation | list of mean % of 25 items in monthly diets, based on stomach contents | % | Not Reported | Not Reported | 12-40/mo | San Joaquin Experimental Range | Exposure Factor Datasets | Madera |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 373 | referred to as "young females" | g | Female | Juvenile | 115 | Davis and Dixon | Exposure Factor Datasets | Solano, Yolo | 150.5 |
| Time of Mating/ Laying | Mar. - Apr. | Both Male and Female | Adult | Not Reported | Davis and Dixon | Exposure Factor Datasets | Solano, Yolo |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Population Density | range over 2 yrs | #/ha | Both Male and Female | Adult | Not Reported | Camp Ohlone, East Bay Regional Park District | Exposure Factor Datasets | Alameda |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Clutches or Litters per year | evidence for 2nd litter in 20% of reproductively active females | litters/yr | Female | Adult | Not Reported | Coho creek | Exposure Factor Datasets | Tulare |
Merriam's Kangaroo Rat (Dipodomys merriami)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | g | Female | Adult | Not Reported | San Simon Valley | Exposure Factor Datasets | ||
| Growth Rate | see citation | figure of changes in weight over time | Both Male and Female | Juvenile | 90 | San Simon Valley, Portal (elev., 1370 m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 39.6 | g | Female | Not Reported | 11 | captured at Boulder City, NV | Exposure Factor Datasets | 7.1 SD | Laboratory |
| Body Weight - Mean | 34.2 | g | Male | Not Reported | 16 | captured at Boulder City, NV | Exposure Factor Datasets | 3.8 SD | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 64 | youngest age of female conceiving | d | Female | Adult | 51 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 32.6 | g | Female | Adult | 154 | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | 4.1 SD |
| Body Weight - Mean | 3 | g | Not Reported | Neonate | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | see citation | figure of logistic growth curve for changes in body weight over time | Both Male and Female | Both Adults and Juveniles | Not Reported | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | 1 - 12 mo | |
| Age at Fledging, Metamorphosis, Weaning | < 1 | mo | Both Male and Female | Juvenile | Not Reported | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 50.0 | median lifetime distance moved from home range center (from first to last capture) | m | Female | Adult | 16 | Portal | Exposure Factor Datasets |
| Home Range | 7413 | estimated via minimum convex polygon method | m2 | Male | Adult | 5 | Portal | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of seasonal body weights | g | Male | Adult | 644 | Santa Rita Experimental Range, Tucson (elev., 3000 - 4500 ft) | Exposure Factor Datasets | |
| Clutch or Litter Size | 2.02 | embryos/female | Female | Adult | 133 | Santa Rita Experimental Range, Tucson (elev., 3000 - 4500 ft) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Grasses: Oryzopsis hymenoides (18.0%); Hilaria rigida (13.7%); Tridens pulchella (3.3%); Bromus rubens (4.7%); Annual forbs: Plantago insularis (16.6%); Eriogonum spp. (14.3%); Phacelia spp. (6.8%); Vegetative plant parts: Phacelia spp. (6.0%); Erodium circutarium (3.2%); Misc. (8.4%) | % volume in cheek pouches of major (>2%) food items | % | Not Reported | Not Reported | 54 | Las Vegas Valley, Clark County (elev., 2500 ft) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | 29 | #/ha | Both Male and Female | Not Reported | Not Reported | Jacumba (elev., 988 m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 37.3 | home range expressed as "sigma" (radius within which the probability of an animal being present is 39%) | m | Both Male and Female | Not Reported | 9 sampling periods | U.S. Atomic Energy Commission, Nevada Test Site | Exposure Factor Datasets |
Stephens' Kangaroo Rat (Dipodomys stephensi)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 40 | g | Both Male and Female | Juvenile | 16 | Exposure Factor Datasets | 31 d | Laboratory | |
| Body Weight - Mean | 46.1 | g | Both Male and Female | Juvenile | 16 | Exposure Factor Datasets | 63 d | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Home Range | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Erodium cicutarium leaf (19.4%) and seed (18.8%); Schismus barbatus non-seed (15.3%) and seed (2.8%); unidentified grass (14.1%); Bromus madritensis (7.1%); insect (8.1%); Hirschfeldia incana seed (4.7%); Eriogonom fasciculatum seed (3.5%); Salsola tragus seed (3.4%); Amsinckia menziesii seed (2.4%); Artemesia californica seed (0.9%) | annual % frequency of occurrence in fecal pellets | % | Not Reported | Not Reported | 5-10 pellets/mo | Mottee Rimrock Reserve and San Jacinto Wildlife Area | Exposure Factor Datasets | Riverside |
Little Pocket Mouse (Perognathus longimembris)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 7.2 | g | Male | Adult | 66 | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | 0.7 SD |
| Body Weight - Mean | 7.3 | g | Female | Adult | 67 | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | 1.1 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 19.0 | home range expressed as "sigma" (radius within which the probability of an animal being present is 39%) | m | Both Male and Female | Not Reported | 4 sampling periods | U.S. Atomic Energy Commission, Nevada Test Site | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | see citation | monthly % volume of food items (detailed species-specific list) in feces | % | Both Male and Female | Not Reported | 3 - 26/mo | Irvine Ranch | Exposure Factor Datasets | Orange |
Deer Mouse (Peromyscus maniculatus), Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Water Ingestion Rate | range of means from 10 experiments | cc/g/d | Both Male and Female | Not Reported | 4-8 animals/experiment; 10 experiments | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. austerus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | spring-summer | period of peak activity | Both Male and Female | Adult | Not Reported | Douglas fir forest, Vancouver | Exposure Factor Datasets | CANADA |