Mammals
Deer Mouse (Peromyscus maniculatus ssp. artemisiae)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 6.2 | based on embryo counts | #/litter | Female | Adult | 9 | Grand Teton National Park | Exposure Factor Datasets |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Fat (total or %) | 10.6 | fat as % of total body weight | % | Both Male and Female | Adult | 8 | Exposure Factor Datasets | winter-acclimatized | Laboratory | |
| 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 |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | mortality; neonate to weanling period | % | Both Male and Female | Weanling | 368 | Exposure Factor Datasets | 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 |
| 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 |
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 | 0.16 | mean dry stomach content mass | g | Male | Juvenile | 57 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.02 SE |
| 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 |
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 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 1.95 | g | Not Reported | Neonate | 257 | Exposure Factor Datasets | 0.02 SE | Laboratory | ||
| Age at Fledging, Metamorphosis, Weaning | 19.2 | mean age at physiological independence | d | Not Reported | Juvenile | Not Reported | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nubiterrae)
| 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. sonoriensis)
| 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 |
Audubon's Cottontail (Sylvilagus audubonii ssp. audubonii)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Longevity | 19 | longest life span recorded | mo | Both Male and Female | Adult | 29 | Sacramento Valley, Durham | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani ssp. ubericolor)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 108.5 | mean and range of one standard diameter, home range estimated by "center of activity" method | ft | Female | Adult | 24 | E.E. Wilson Game Management Area, Corvallis | Exposure Factor Datasets | 55.3 SD |
Ornate Shrew (Sorex ornatus)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | range of mean minimal metabolic rates at 20C | cc O2/g/hr | Both Male and Female | Adult | 9-22/season | captured at Suisun and San Pablo Bay | Exposure Factor Datasets | Laboratory |
Pallid Bat (Antrozous pallidus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries |
|---|---|---|---|---|---|---|---|---|---|---|
| Foraging Distance | 3 | max. distance travelled from roost during foraging | km | Not Reported | Adult | 150 bats | Exposure Factor Datasets | breeding | MEXICO |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Migration or Dispersal | August | juvenile dispersal | Both Male and Female | Juvenile | Not Reported | Camp Verde, Yavapai County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 1.8 | young | Female | Adult | 28 bats | Exposure Factor Datasets | Kern, San Luis Obispo |
Coyote (Canis latrans)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | Apr. - May | Female | Adult | 10 litters | Lower Fraser Valley, British Columbia | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 0.87 | mean annual survival rate | Both Male and Female | Adult | 52 | Pinon Canyon Maneuver Site, Trinidad (elev., 1310-1740 m) | Exposure Factor Datasets | > 2yrs |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | mule deer (8.7%); cattle (4.4%); sheep (17.4%); coyote (8.7%); Microtus sp. (56.5%); Eutamias (13%); Thomomys sp. (8.7%); Marmota flaviventris (4.4%); Citellus beldingi (4.4%); Erethizon dorsatum (8.7%); song birds (21.7%); grasshoppers (13.0%); other insects (34.8%); pine and fir needles (30.4%); grass (56.5%); other vegetable matter (13.2%) | % of scats containing food item | % | Both Male and Female | Juvenile | 23 scats | Sagehen Creek Field Station, Truckee | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | snowshoe hare (31.7%); white-tailed deer (24.5%); plants (20.4%); small mammals (14.3%); non-edibles (13.2%); large birds (6.0%); porcupine (4.9%); Canis spp. (2.6%); carrion (1.9%); small birds (1.9%); apple (1.9%); human garbage (1.5%); moose (1.5%); feces (1.1); sheep (1.1%); cattle (0.8%) | % frequency of occurrence of items identified from stomach contents | % | Both Male and Female | Both Adults and Juveniles | 265 | New Brunswick and Nova Scotia | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Scapanus latimanus (3%); Spermophilus beechyi (24%); Thomomys bottae (64%); Reithrodontomys megalotis (4%); Peromyscus sp. (19%); Neotoma spp. (4%); Microtus californicus (32%); Odocoileus hemionus (41%); birds (6%); reptiles (12%); arthropods (47%); vegetation (33%) | % occurrence of major food items (>1%) in scats | % | Not Reported | Not Reported | 223 scats | East Mesa, Cuyamaca Rancho State Park (elev., 1525 m) | Exposure Factor Datasets | San Diego |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 29.3 | estimated by modified minimum area method | km2 | Female | Adult | 4 | Idaho National Engineering Laboratory | Exposure Factor Datasets | 2.4 SE |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | range of 5 yearly averages | pups/litter | Female | Adult | 5 yrs | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 9.3 | kg | Female | Juvenile | 7 | Naval Petroleum Reserves (elev., 88 - 473 m) | Exposure Factor Datasets | 1yr | Kern | 0.3 SE |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | range of daily dry matter intake per unit metabolic weight (g food/body weight^0.75) for deer, hare or mice diets | g/kg/d | Both Male and Female | Juvenile | 4 | captured in Aroostook County, ME | Exposure Factor Datasets | 9 mo | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.3 | pups/litter | Female | Adult | 26 | Rochester, Alberta | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Mammals: Spermophilus beecheyi (43%); Microtus californicus (61%); Peromyscus maniculatus and Reithrodontomys megalotis (30%); Lepus californicus (43%); Thomomys bottae (9%); Insects (13%); Seeds and berries (4%); Herbaceous vegetation (35%); Wheat (Avena spp.) (9%) | % of scats containing each prey item | % | Not Reported | Not Reported | 23 | Concord Naval Weapons Station | Exposure Factor Datasets | Contra Costa |
Long-tailed Weasel (Mustela frenata)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | 279 | d | Female | Adult | 18 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | 4 | #/160 acres | Not Reported | Not Reported | Not Reported | Ames | Exposure Factor Datasets |
Striped Skunk (Mephitis mephitis)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.8 | placental scars | Female | Both Adults and Juveniles | 13 animals | Exposure Factor Datasets | > 2 years | 0.66 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Dietary Composition | insects 43.06; fruits 27.56; mammals 16.25; grains 8.69; Carrion 1.76; Birds 1.46; reptiles, amphibians 1.14. | frequency %; stomach and fecal analysis | % | 570 fecal analyses; 50 stomach analyses | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Home Range | 3310 | home range, as indexed by greatest distance between captures | m | Male | Juvenile | 29 juveniles | Tofield 15 deg.N,112 deg. W east central Alberta | Exposure Factor Datasets | CANADA | 410 SE |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | pups/litter | Female | Adult | 1 female | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 33.4 | g | Not Reported | Neonate | 12 | Exposure Factor Datasets |
Sea Otter (Enhydra lutris)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 3.7 | km^2 | Both Male and Female | Adult | 11 | Santa Cruz to San Luis Obispo | Exposure Factor Datasets | Residents | 3.1 SD |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 80 | ha | Female | Adult | 8 | Monterey | Exposure Factor Datasets | Monterey | 19.04 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | pismo clams (559), unidentified bivalves (1), rock crabs (1), market crabs (1), unidentified crabs (1), unidentied food items (15) | number of prey retreived, based on observations from shore | Not Reported | Not Reported | 578 observed retrievals | Pismo Beach | Exposure Factor Datasets | San Luis Obispo |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | December to February | peak period of birth | Female | Adult | Not Reported | Point Lobos State Reserve to Lucia | Exposure Factor Datasets | Monterey |
California Sea Lion (Zalophus californianus)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 10.32 | kg | Male | Pup | 7 | San Nicolas Island | Exposure Factor Datasets | 30 d | 0.715 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Longevity | 28 | captive longevity record | yrs | Not Reported | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 5.1 | resting metabolic rate | ml O2/min/kg | Both Male and Female | Juvenile | 6 | Exposure Factor Datasets | 0.4 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | range of mean field metabolic rates estimated by oxygen consumption using direct respirometry and doubly labelled water methods; exercise regime used to simulate swimming | ml O2/min/kg | Both Male and Female | Juvenile | 6 | Exposure Factor Datasets | 1 yr | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | May/June | Not Reported | Pup | 127 pups | San Nicolas Island | Exposure Factor Datasets |
San Joaquin Antelope Squirrel (Ammospermophilus nelsoni)
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| 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 | 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 |
|---|---|---|---|---|---|---|---|---|
| Population Density | 76 | #/acre | Not Reported | Not Reported | 3 counts | Walnut Creek | Exposure Factor Datasets | Contra Costa |
| 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 |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Mar. - Apr. | Both Male and Female | Adult | Not Reported | Davis and Dixon | Exposure Factor Datasets | Solano, Yolo |
Merriam's Kangaroo Rat (Dipodomys merriami)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| 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 | 34.2 | g | Male | Not Reported | 16 | captured at Boulder City, NV | Exposure Factor Datasets | 3.8 SD | Laboratory |
| 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 | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| 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 | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| 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 | 7413 | estimated via minimum convex polygon method | m2 | Male | Adult | 5 | Portal | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| 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 |
|---|---|---|---|---|---|---|---|---|
| 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 | 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 |
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 |
| 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 |
Deer Mouse (Peromyscus maniculatus)
| 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 |
| 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 |
| 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 | 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 |
| 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 |
| 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 |
| 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 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 |
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 |
Salt-marsh Harvest Mouse (Reithrodontomys raviventris)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 | Condition |
|---|---|---|---|---|---|---|---|---|---|
| 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 | 4.25 | 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 | Male | Adult | 4-7/yr | Richmond Field Station | Exposure Factor Datasets | Contra Costa |
| 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 | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| 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 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 |
Audubon's Cottontail (Sylvilagus audubonii), Brush Rabbit (Sylvilagus bachmani)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Home Range | review | see citation for home range allometry for 14 species of lagomorphs | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4 | young/litter | Female | Adult | 14 | Exposure Factor Datasets | Alameda, Contra Costa, Lake, Marin, Napa |
San Joaquin Kit Fox (Vulpes macrotis ssp. mutica)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Dietary Composition | Review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 22 | mo | Both Male and Female | Adult | Not Reported | Elk Hills Naval and Buena Vista Petroleum Reserves | Exposure Factor Datasets | Kern |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | see figure | bar graph showing use of leporids, rodents, insects and other food items over 6 years | Not Reported | Not Reported | 449 scat samples | Naval Petroleum Reserves in California | Exposure Factor Datasets | Kern |
Kit Fox (Vulpes macrotis ssp. nevadensis)
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Clutch or Litter Size | pups/litter | Female | Adult | 11 litters | Tooele County, west. UT | Exposure Factor Datasets |
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 |