Rodents (Rodentia)
Merriam's Kangaroo Rat (Dipodomys merriami)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | Feb. - June | Female | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | |
| Duration of Incubation or Gestation | 4 | wk | Female | Adult | 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 |
|---|---|---|---|---|---|---|---|---|
| Home Range | 0.243 | average range; estimated as enclosed space occupied by used traps plus one-half distance to closest unused trap | acres | Both Male and Female | Juvenile | 14 | Santa Rita Experimental Range, Tucson (elev., 3000 - 4500 ft) | Exposure Factor Datasets |
| Body Weight - Mean | range of seasonal body weights | g | Female | Adult | 482 | 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 |
|---|---|---|---|---|---|---|---|---|
| Longevity | 43 | maximum longevity in the field | mo | Both Male and Female | Adult | 968 | Portal, Cochise County (elev. 1330 m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | grass seeds (74.2%), annual forb seeds (37.4%), perennial seeds (7.4%), vegetative plant parts (7.4%), insect parts (0.3%), debris (2.7%), unidentified seeds (3%) | % occurrence in cheek pouch contents | % | Not Reported | Not Reported | 411 | 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 |
|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 2 | mo | Not Reported | Adult | Not Reported | Portal | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | grass seeds (49%); forb seeds (33%); shrub seeds (12%); other vegetative parts (5%) | % frequency of occurrence in pouch contents | % | Not Reported | Not Reported | 1001 pouches | Santa Rita Experimental Range, Tucson (elev., 3000-4000 ft) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | log10(L CO2/d) = 0.845log10(BW) - 1.005 | field metabolic rate; equation relating whole animal carbon dioxide production rates to body weight (BW, g); r^2=0.466 | L CO2/d | Not Reported | Not Reported | 4-9 per mo/15 mo | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | Exposure Factor Datasets | San Bernardino |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Population Density | 6 | #/ha | Both Male and Female | Adult | Not Reported | Boyde Deep Canyon Reserve (elev., 300m) | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Foraging Distance | minimum distances moved by individuals on one trap night | m | Both Male and Female | Not Reported | 5 males, 6 females | Owens Valley (1,220 m) | Exposure Factor Datasets | Inyo |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of means of initial weights for 3 experimental groups | g | Not Reported | Not Reported | 9/group | captured at Joshua Tree, San Bernadino County, CA | Exposure Factor Datasets | Laboratory |
San Joaquin Kangaroo Rat (Dipodomys nitratoides)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 2.3 | pups/litter | Female | Adult | 12 litters | Exposure Factor Datasets | Laboratory | |
| Age at Fledging, Metamorphosis, Weaning | d | Not Reported | Juvenile | Not Reported | Exposure Factor Datasets | Laboratory |
Stephens' Kangaroo Rat (Dipodomys stephensi)
| Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Survival/ Mortality | range of minimum rate of survival of individuals in the trappable population per mo, measured over 19 mo at 3 sites | Both Male and Female | Adult | 110-234 | Lake Mathews [lat., 33^o50'N; long., 117^o27'30"W]; Motte Rimrock Reserve [lat., 33^o47'30"N; long., 117^o15'W] and San Jacinto Wildlife Area [lat., 33^o52'N; long., 117^o7'15"W] | Exposure Factor Datasets | Riverside |
| Survival/ Mortality | range of minimum rate of survival of individuals in the trappable population per mo, measured over 19 mo at 3 sites | Both Male and Female | Juvenile | 23-49 | Lake Mathews [lat., 33^o50'N; long., 117^o27'30"W]; Motte Rimrock Reserve [lat., 33^o47'30"N; long., 117^o15'W] and San Jacinto Wildlife Area [lat., 33^o52'N; long., 117^o7'15"W] | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | 19.00 (20-29g); 8.82 (30-39g); 8.80 (40-49g); 0.94 (60-69g) | mass specific growth rates pooled by sex and site expressed as change in body mass per mo for 4 weight classes (20-69g) | g/mo | Both Male and Female | Not Reported | 1-125/site and sex | Motte Rimrock Reserve and San Jacinto Wildlife Area | Exposure Factor Datasets | Riverside |
| Age at Sexual Maturity | 3 | mo | Female | Adult | Not Reported | Motte 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 | Age-Specific | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.75 | pups/litter | Female | Adult | 16 | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | 0.77 SD | |
| Body Weight - Mean | 0.5 | g | Not Reported | Neonate | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | at birth | Inyo |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Foraging Distance | < 50 | maximum distance moved by individuals in one trap night | m | Not Reported | Not Reported | 219 | Owens Valley (1,220 m) | Exposure Factor Datasets | Inyo | |
| Body Weight - Mean | 7.1 | g | Both Male and Female | Not Reported | 22 individuals | Owens Valley | Exposure Factor Datasets | Inyo | 0.11 SE |
Deer Mouse (Peromyscus maniculatus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | 372 | maximum density | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | grassland habitat, Santa Barbara Island, [lat.,33^o29' N, long., 119^o02' W] | Exposure Factor Datasets | 30 SD |
| Population Density | 17 | minimum 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 | 8 SD |
| Population Density | 5 | minimum 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 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | see citation | figure of oxygen consumption rates at different temperature, altitude and exercise regimes | ml O2/min | Both Male and Female | Adult | 25-213 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of body weights for ages 3-30 days | g | Both Male and Female | Juvenile | 5-37/time | Exposure Factor Datasets | 3-30 d | Laboratory | ||||
| Body Weight - Mean | 19.9 | g | Male | Adult | 98 | Pinawa, Manitoba | Exposure Factor Datasets | >90 d | CANADA | 0.19 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Fat (total or %) | 0.6 | total body fat | g | Female | Adult | 21 | Pinyon-juniper zone near Westgard Pass (elev., 2500 m) | Exposure Factor Datasets | Inyo | 0.3 SD |
| 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 |
| Age at Sexual Maturity | based on presence of swollen tubules of cauda epididymides and enlarged seminal vesicles, ages inferred from body weights | d | Male | 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 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 0.1767 | maximal oxygen consumption during exercise | ml/g/min | Not Reported | Adult | 179 | Exposure Factor Datasets | 0.0226 SD | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Body Fat (total or %) | see citation | figure of total fat content (% body mass) before, during and after torpor | Not Reported | Not Reported | 24/group | captured in Walla Walla County, WA | Exposure Factor Datasets | 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 sites with excess artificial food (whole oats) | g | Female | Juvenile | 4-29/time | University of British Columbia | Exposure Factor Datasets | CANADA |
| 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 | 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 | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | see citation | figure of 2 week survival rates at different seasons | % | Both Male and Female | Adult | Not Reported | University of British Columbia, Endowment Lands | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 20.1 | g | Not Reported | Adult | 6 | captured at North Dakota, Wyoming and Minnesota | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | arthropods (52.1-75.0%), seeds (34.5-9.1%), grasses (2.1-0.7%), forbs (4.1-11.0%), shrubs (2.6-2.0%), algae (1.4-0.9%), fungi (2.9-1.6%) | relative amounts of food types in diet for two consecutive years | Both Male and Female | Both Adults and Juveniles | 192 | southeastern Carter county | 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 | 15-47/mo | Irvine Ranch | Exposure Factor Datasets | Orange |
| 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 |
| 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 |
| 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 |
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 | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 1.62 | g | Not Reported | Neonate | 39 | Exposure Factor Datasets | 0 d | 0.13 | Laboratory | |
| Body Weight - Mean | 15.45 | g | Not Reported | Adult | 39 | Exposure Factor Datasets | 52 d | 0.67 | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. borealis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | 21.4 | average weaning age. | d | Both Male and Female | Juvenile | 136 | Original pairs trapped at Heart Lake, Northwest Territories | Exposure Factor Datasets | Laboratory |
| Age at Sexual Maturity | age at first conception | d | Female | Adult | 3 | Original pairs trapped at Heart Lake, Northywest Territories | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.25 | #/litter | Female | Adult | 102 | Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | CANADA | 0.09 SE | |
| Survival/ Mortality | 31 | average survival to weaning | % | Both Male and Female | Juvenile | 372 | Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Body Fat (total or %) | relative fat content (arcsine ratio of fat:fat-free dry weight); range of means for males and females at different ages and breeding status | Both Male and Female | Both Adults and Juveniles | 28 - 242/group | Kananaskis Valley, Alberta [lat., 51^oN; long., 115^oW] | Exposure Factor Datasets | 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 |
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 | 0.15 | mean dry stomach content mass | g | Female | Juvenile | 22 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.03 SE |
| Food Ingestion Rate | 0.16 | mean dry stomach content mass | g | Male | Juvenile | 57 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.02 SE |
Deer Mouse (Peromyscus maniculatus ssp. gracilis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 1.5 | basal oxygen consumption measured at 28C, 15-17g mice, also reported as 173 cal/kg/d | cc O2/g/hr | Not Reported | Adult | 2 | Exposure Factor Datasets | Laboratory | |
| Metabolic Rate | 3.6 | 24 hr average oxygen consumption, average body weight 22.3 g, also reported as 416 cal/kg/d | cc O2/g/hr | Not Reported | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nebrascensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.14 | litter size at parturition | #/litter | Female | Adult | 104 | captured in Alberta, Canada | Exposure Factor Datasets | 0.14 SE | Laboratory |
| Body Weight - Mean | 1.95 | g | Not Reported | Neonate | 257 | Exposure Factor Datasets | 0.02 SE | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nubiterrae)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 524 | mean calculated minimum convex polygon area | m2 | Both Male and Female | Both Adults and Juveniles | 48 | Mountain Lake Biological Station, Giles county | Exposure Factor Datasets | 46 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Dietary Composition | Arthropods (56.0 +/- 4.00% SE), Lepidopteran larvae (3.8 +/- 1.30% SE), Lepidopteran adults (3.4 +/- 1.31% SE), Fruit (24.5 +/-4.24% SE), Green vegetation (4.7 +/- 1.14% SE), Fungi (7.2 +/- 2.60% SE), Nuts/Seeds (0.0 +/- 0.0% SE), Unknown (0.8 +/- 0.41% SE) | Mean percentage frequency of occurrence of each item in stomach contents | Not Reported | 40 | Mountain Lake Biological Station, Giles Co. | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. rubidus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Plant matter: Abronia or Cakile (16%); Fragaria seeds (1.5%); plant shoots (1%); Animal matter: Orchestoidea (3%); Diptera (3%); Staphylinid beetles (1.5%); aphids (1%); centipedes (1.5%); unidentified arthropod chitin (16%); unidentified arthropod viscera (56%) | % food item volume in stomach contents | % | Not Reported | Not Reported | 30 | Samoa | Exposure Factor Datasets | Humboldt |
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 | 1.67 | mean basal metabolic rate estimated by oxygen consumption | cc O2/g/h | Not Reported | Not Reported | 17 | collected near Las Vegas, NV | Exposure Factor Datasets | 0.07 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of means for 6 groups | g | Not Reported | Adult | 11/group | Mice trapped near Palmdale, Los Angeles County, CA | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | MR = 8.911 - 0.236T | equation relating metabolic rate (MR, cc O2/g/hr) to ambient temperature (0-27C) | cc O2/g/hr | Not Reported | Not Reported | 5 | Exposure Factor Datasets | Laboratory |
California Ground Squirrel (Spermophilus beecheyi)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 22.5 | g dry wheat/squirrel x day | Both Male and Female | Both Adults and Juveniles | 9 animals | Exposure Factor Datasets | Laboratory | ||
| Body Weight - Mean | range of monthly mean weights over 4 yrs | g | Female | Adult | 5 - 58/mo | San Joaquin Experimental Range | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
|---|---|---|---|---|---|---|---|---|---|---|
| Home Range | range of means for 2 yrs | m2 | Male | Adult | 11/yr | Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] | Exposure Factor Datasets | Alameda | ||
| Home Range | 309.3 | m2 | Male | Adult | 21 | Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] | Exposure Factor Datasets | Alameda | breeding |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 61 | g | Not Reported | Juvenile | 1 | Exposure Factor Datasets | 10 d | |
| Longevity | 5 | yrs | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | g | Both Male and Female | Adult | Not Reported | Calaveras Reservoir | Exposure Factor Datasets | Alameda, Santa Clara | ||
| Longevity | 3+ | oldest individuals recaptured | yrs | Male | Adult | 2 | Calaveras Reservoir | Exposure Factor Datasets | Alameda, Santa Clara |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | range of means | embryos/female | Female | Adult | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 163.4 | g | Both Male and Female | 13 | Exposure Factor Datasets | 7 wks | Laboratory | ||
| Growth Rate | see citation | figure of body weight changes over time | g/d | Both Male and Female | 6 litters | Exposure Factor Datasets | 0-50 d | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 5466.78 | m2 | Male | Adult | 2 | Capay (elev., 305 m) | Exposure Factor Datasets | Yolo | 1897.19 SD |
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 |
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