Mammals
Striped Skunk (Mephitis mephitis)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 2.05 | kg | Male | Both Adults and Juveniles | 5 animals | Bearville study area; Itasca county | Exposure Factor Datasets | > 2 years | 0.38 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.28 | pups/litter | Female | Adult | 118 litters | Exposure Factor Datasets | Laboratory | ||
| Duration of Incubation or Gestation | 61.5 | second estrus | d | Both Male and Female | Embryo | 4 females | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 4.7 | kg | Male | Juvenile | 18 juveniles | SasKatchewan; Alberta | Exposure Factor Datasets | CANADA | 1.5 SD |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | review | Both Male and Female | Embryo | Not Reported | Exposure Factor Datasets | |
| Time of Hatching or Parturition | review | Both Male and Female | Neonate | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Fat (total or %) | 10.1 | % | Male | Adult | 5 | Delta Marsh Mannitoba | Exposure Factor Datasets | 2.1 SE | Laboratory | ||
| Metabolic Rate | 142 | calculated basal metabolic rate | kcal/d | Male | Adult | 5 | Delta Marsh Mannitoba | Exposure Factor Datasets | CANADA | 5 SE |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.38 | pups/litter | Female | Adult | 48 females | Exposure Factor Datasets | 2.38 SD | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Home Range | 2.7 | km2 | Both Male and Female | Juvenile | 8 animals | Alberta 49 deg. N, 112 deg. 45' W | Exposure Factor Datasets | CANADA |
Sea Otter (Enhydra lutris)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Home Range | 40.3 | ha | Male | Adult | 10 | Central coast | Exposure Factor Datasets | 4.0 SE |
| Home Range | 78.0 | ha | Male | Adult | 5 | Central coast | Exposure Factor Datasets | 7.2 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
|---|---|---|---|---|---|---|---|---|
| Clutches or Litters per year | Pr {giving birth in a year} = 1- (1-p1)^120(1-p2)^65 | p1 = daily probability of becoming pregnant during the high probability period p2 = daily probability of becoming pregnant during the remaining part of the year. p1 and p2 = 0.02 and 0.00067, respectively, based on observations from Prince William Sound, |
Female | Adult | 1,482 | Aleutian islands, AK | Exposure Factor Datasets | 2-16 years |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Surface Area | see Figure 3 | estimated surface area | Not Reported | Not Reported | 2 | Exposure Factor Datasets | fed | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 21.1 | kg | Female | Adult | 254 | Amchitka Island | Exposure Factor Datasets | 6.49 SD | |
| Food Ingestion Rate | 4.04 | kg/d | Female | Adult | 1 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Home Range | daily home range, estimated from hourly trangulations during 24-hr watches using the minimum convex polygon method | ha | Female | Juvenile | 10 animals | Monterey to San Luis Obispo | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 234 | Daily total energy consumption | Kcal/kg-d | Both Male and Female | Adult | 5 | Exposure Factor Datasets | 19 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | clams (34-61%), mussels (7-20%), crabs (2-11%), other invertebrates (4-5%), unknown prey (12-33%) | relative occurences of prey items in diet, based on observation (range crosses three locations) | Not Reported | Adult | 752-833 foraging dives/site | Prince William Sound | Exposure Factor Datasets |
California Sea Lion (Zalophus californianus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 5.93 | daily milk intake as % of pup body weight | %/d | Female | Pup | 4 | San Nicolas Island | Exposure Factor Datasets | 1-2 mo | 0.467 SE |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
|---|---|---|---|---|---|---|---|---|
| Body Fat (total or %) | 18.7 | % | Male | Pup | 1 | San Nicolas Island [lat., 33^oW; long., 119^oW] | Exposure Factor Datasets | 3 mo |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | 0.101 | pups 0-2 months old; El Nino 1983; | kg/d | Not Reported | Pup | 30 | San Nicolas Island | Exposure Factor Datasets | 0-2 months | 0.007 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | May - Aug. | time of breeding | Both Male and Female | Adult | Not Reported | San Nicolas Island | Exposure Factor Datasets |
California Ground Squirrel (Spermophilus beecheyi)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 2.3 | five year average | #/acre | Both Male and Female | Adult | 275 | San Joaquin Experimental Range | Exposure Factor Datasets |
| Food Ingestion Rate | range of total food weight for observed individuals | g dry wt/d | Both Male and Female | Adult | 6 | San Joaquin Experimental Range | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 9-10 | mo | Both Male and Female | Juvenile | Not Reported | Santa Barbara; Bell Ranch; Hastings Reservation | Exposure Factor Datasets | Monterey |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | May/June - Oct. | months of estivation | Male | Adult | 144 | University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] | Exposure Factor Datasets | Santa Cruz |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 397.3 | g | Female | Not Reported | 373 | Hastings Natural History Reservation | Exposure Factor Datasets | Monterey |
Merriam's Kangaroo Rat (Dipodomys merriami)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 41.1 | g | Female | Adult | Not Reported | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | non-breeding | 0.1 |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 33.9 | g | 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 | 2.2 SD |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 2.2 | embryos/ female | Female | Adult | 24 | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | San Bernardino |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Home Range | 0.373 | acres | Female | Adult | Not Reported | 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 | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | see citation | figure of changes in weight over time | g | Not Reported | Juvenile | 4 litters | adults captured at Alpine Butte, Los Angeles County, CA | Exposure Factor Datasets | 0 - 140 d | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 1 | yr | Male | 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 | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | see citation | figure of body weight at ages 0 - 162 d | g | Both Male and Female | Both Adults and Juveniles | 34 | captured at Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | 0 - 162 d | Laboratory |
Merriam's Kangaroo Rat (Dipodomys merriami), Little Pocket Mouse (Perognathus longimembris)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Molt | July and August | Not Reported | Not Reported | Not Reported | Owens Valley | Exposure Factor Datasets | Inyo |
San Joaquin Kangaroo Rat (Dipodomys nitratoides)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Mating/ Laying | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Stephens' Kangaroo Rat (Dipodomys stephensi)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Home Range | range of median maximum distance moved based on monthly live trapping capture data at 2 sites | m | Female | Adult | 94 | Motte Rock Ecological Reserve [lat., 33^o53'N; long., 117^o6'W] and San Jacinto Wildlife Area [lat., 33^o51'N; long., 116^o54'W] | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Longevity | 19 | maximum time of persistence at site | mo | Both Male and 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 Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Longevity | lifespan in captivity | yrs | Both Male and Female | Adult | 2 | captured in San Diego County | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of mean body weights measured multiple times in individuals | g | Both Male and Female | Not Reported | 6 individuals | Owens Valley | Exposure Factor Datasets | Inyo |
Deer Mouse (Peromyscus maniculatus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | ANIMAL MATTER: Coleoptera adults (9.8); Coleoptera larvae (1.1); Grasshoppers (7.7); Leaf hoppers (1.7); Lepidoptera adults (1.3); Lepidoptera larvae (1.0); Spiders (2.4); PLANT MATTER: Seeds (47.8); Total forbs (4.8) - Kochia scoparia (3.1); Total grasses and sedges (4.3); Total shrubs (0.9). | estimated percent volume, by ranking method, of total matter in stomach contents | % | Both Male and Female | Both Adults and Juveniles | 102 | Pawnee National Grassland | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | range of weighted means of dry weights of stomach contents | mg | Not Reported | Juvenile | 12-82 | Ward and McClean Counties | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 64.6 | median age at maturity | d | Female | Adult | 139 | Pinawa, Manitoba | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 3.12 | average daily metabolic rate estimated as oxygen consumption at 20.6C | ml O2/g/hr | Male | Adult | 4 | Exposure Factor Datasets | 0.14 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.7 | litter size estimated from counts of uterine scars and embryos | #/litter | Female | Adult | 6 | salt marsh, San Pablo and San Francisco Bays | Exposure Factor Datasets | 0.7 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | seeds (0-81%); fruits (2-19%); arthropods (9-57%); leaves (1-18%); fungi (0-26%); misc. (0-42%) | volumetric % of stomach contents, range of monthly means for 2 yrs. and 2 habitat types | % | Not Reported | Not Reported | 40-88 | western slope of Sierra Nevada (elev., 3500 - 5000 ft.) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Home Range | 0.25 | acres | Male | Juvenile | 4 | 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 | Age-Specific |
|---|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 67 | survival of juveniles to an age of 4 wks | % | Both Male and Female | Juvenile | 19 - 23 litters | San Juan Mountains (elev., 3200 m) | Exposure Factor Datasets | 0 - 4 wks |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Home Range | 372.1 | m2 | Male | Not Reported | 29 | greasewood habitat, Malheur National Wildlife Refuge | Exposure Factor Datasets | 108.5 - 603.3 (2-sigma) |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 19.9 | g | Male | Adult | 98 | Pinawa, Manitoba | Exposure Factor Datasets | CANADA | 0.19 |
Deer Mouse (Peromyscus maniculatus), Deer Mouse (Peromyscus maniculatus ssp. bairdii), Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | see citation | figure of body weight vs age for 7 subspecies of Peromyscus | Both Male and Female | Both Adults and Juveniles | 61 | Exposure Factor Datasets | 15 - 186 d | Laboratory |
Salt-marsh Harvest Mouse (Reithrodontomys raviventris)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Home Range | 1550 | m2 | Male | Adult | 4 | New Chicago Marsh, San Francisco Bay National Wildlife Refuge | Exposure Factor Datasets |
California Vole (Microtus californicus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | see citation | figure of mean monthly litter sizes | Female | Adult | 4-33/mo | Orinda, Layfayette, Russell Reservation and Sea Ranch | Exposure Factor Datasets | Contra Costa, Sonoma |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | 21 | d | Both Male and Female | Juvenile | 24 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.2 | mean; height of growing season | pups/litter | Female | Adult | 13 | Richmond Field Station | Exposure Factor Datasets | Contra Costa | 0.8 (95%CI) | |
| Body Weight - Mean | g | Male | Both Adults and Juveniles | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | subadult | Contra Costa |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of means measured in voles in enclosures in different seasons | g | Female | Adult | 5-45/sample | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | see citation | figure of seasonal changes in density | #/acre | Both Male and Female | Not Reported | Not Reported | Sea Ranch | Exposure Factor Datasets | Sonoma |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | g | Female | Not Reported | Not Reported | San Francisco Bay, San Rafael | Exposure Factor Datasets | Marin | non-pregnant |
Audubon's Cottontail (Sylvilagus audubonii)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Population Density | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 75.8 | g | Both Male and Female | Juvenile | 3 | Golden Gate Park, San Francisco | Exposure Factor Datasets | 14 d |
Desert Kit Fox (Vulpes macrotis ssp. arsipus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | January | based on reproductive condition of adults at time of capture | Both Male and Female | Adult | Not Reported | Rand Open Area and Desert Tortoise Research Natural Area | Exposure Factor Datasets | Kern |
San Joaquin Kit Fox (Vulpes macrotis ssp. mutica)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of monthly averages (Jan.-Dec.) | lbs | Male | Adult | 1-4 foxes/month | Buena Vista Valley | Exposure Factor Datasets | Kern |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.1 | mean litter size | pups | Female | Adult | Not Reported | Elk Hills Naval and Buena Vista Petroleum Reserves | Exposure Factor Datasets | Kern |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 4.3 | average home range | km2 | Both Male and Female | Both Adults and Juveniles | Not Reported | Naval Petroleum Reserves in California, Bakersfield | Exposure Factor Datasets | Kern |
Kit Fox (Vulpes macrotis ssp. nevadensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 4.55 | mean body weight | lbs | Male | Adult | 10 | Tooele County, west. UT | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. austerus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 2009 | elliptical home range based on distribution of capture points | m2 | Male | Both Adults and Juveniles | Not Reported | Douglas fir forest, Vancouver | Exposure Factor Datasets | CANADA |
Deer Mouse (Peromyscus maniculatus ssp. bairdii)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 0.790 | calculated for free-living animals | kcal/g/d | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.6 | "not high" temperature group | #/litter | Both Male and Female | Neonate | 98 | 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 | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 14.78 | g | Both Male and Female | Adult | 30 | Exposure Factor Datasets | 0.6 SE | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. borealis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Condition | Countries | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 31.46 | g | Female | Adult | 44 | captured at Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | breeding | 0.43 SE | Laboratory | |||
| Survival/ Mortality | 37 | average over-winter survival | % | Both Male and Female | Juvenile | 64 | Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | "young of the yr" | CANADA |
Deer Mouse (Peromyscus maniculatus ssp. borealis), Deer Mouse (Peromyscus maniculatus ssp. maniculatus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | see citation | figures of weight versus age (20-90d) | Male | Both Adults and Juveniles | 90 - 363 | Heart Lake Biological Station, Northwest Territories and Pinawa, Manitoba | Exposure Factor Datasets | 20 - 90 d | CANADA |
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 | 0.28 | mean dry stomach content mass | g | Female | Juvenile | 38 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.05 SE |
Deer Mouse (Peromyscus maniculatus ssp. labecula)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 21.2 | g | Both Male and Female | Juvenile | 93 | captured in Mexico | Exposure Factor Datasets | 63 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | 0.95 | mean growth | g/d | Not Reported | Juvenile | 156 | Exposure Factor Datasets | 18-21 d | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nubiterrae)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 15.9 | g | Male | Adult | 85 | Mountain Lake Biological Station, Giles County [lat., 37^010'N; long., 80^o30' W] | Exposure Factor Datasets | 0.21 SE |
Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Water Ingestion Rate | 4.38 | average daily water intake (2.65 ml drunk + 0.56 ml free H2O in food + 1.17 ml H2O of oxidation) | ml/d | Not Reported | Adult | 11/group; 5 groups | Mice trapped near Palmdale, Los Angeles County, CA | Exposure Factor Datasets | Laboratory |
Audubon's Cottontail (Sylvilagus audubonii ssp. arizonae)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 860 | g | Female | Adult | 40 | southern portion of state | Exposure Factor Datasets | non-pregnant |
Audubon's Cottontail (Sylvilagus audubonii ssp. neomexicanus)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 2.60 | young/litter | Female | Adult | 10 | Big Lake | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani ssp. ubericolor)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 661.47 | g | Female | Adult | 38 | E.E. Wilson Game Management Area, Corvallis | Exposure Factor Datasets | 66.73 SD |
Ornate Shrew (Sorex ornatus)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of mean monthly weights | g | Both Male and Female | Juvenile | 1-7/mo | San Francisco Bay region | Exposure Factor Datasets |
Pallid Bat (Antrozous pallidus)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | Review | Both Male and Female | Not Reported | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | range of mean monthly rates of ingestion of mealworm diet, measured over three years | g/mo | Male | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 24.3 | g | Female | Adult | 15 | Exposure Factor Datasets | Kern, San Luis Obispo | ovulating |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 0.47 | estimated oxygen consumption of resting animals at 25 C | ml O2/g BW/hr | Not Reported | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Coyote (Canis latrans)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Population Density | 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 | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 0.0015 | basal metabolic rate at 22-26C estimated via oxygen consumption | watts/g | Both Male and Female | Not Reported | 3 | captured in Maricopa County, AZ | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | rodents (53%); fruits and seeds (32%); deer (20%); insects (19%); avian (19%); lagomorphs (11%); armadillo (9%); cattle (6%); reptile (4%) | overall % occurrence in scats | % | Both Male and Female | Both Adults and Juveniles | 361 scats | Wichita Mountains National Wildlife Refuge | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | grass species (78%); meadow vole (73%); northern pocket gopher (43%); insects (40%); passerines (30%); lagomorphs (24%); cricetid mice (19%); mule deer (13%) | % occurrence of food items in scats | % | Not Reported | Not Reported | 54 | Rocky Flats Nuclear Weapons Plant, Denver | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of means for two yearling age groups | kg | Female | Juvenile | 22 - 32 | Webb County [lat., 27^o20'-28^o00N; long., 99^o00'-99^o40'W] | Exposure Factor Datasets | 1.5 - 2.0 yrs |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Fat (total or %) | 12.08 | body fat content | % | Both Male and Female | Both Adults and Juveniles | 22 | Quebec | Exposure Factor Datasets | CANADA | 7.36 SD |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Home Range | 68 | km2 | Male | Adult | 25 | Aitkin and Itasca counties | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Population Density | 0.77 | #/km2 | Not Reported | Pup | Not Reported | National Elk Refuge, Jackson Hole | Exposure Factor Datasets | 0.33 SD |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | 30 | d | Both Male and Female | Juvenile | 6 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | rabbits (70.6%); livestock (14.0%); mice (10.5%); birds (4.2%) | % volume of principal foods in stomachs, body weight range 14.5 - 37.0 lbs | % | Both Male and Female | Not Reported | 151 | Exposure Factor Datasets |
Kit Fox (Vulpes macrotis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 12.3 | home range as calculated with the grid-cell method | km2 | Male | Adult | 4 foxes | 7.5 km NW Tonopah | Exposure Factor Datasets | 1.0 SE |
Long-tailed Weasel (Mustela frenata)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 86.2 | g | Female | Juvenile | 1 | captured at Delta, Manitoba, Canada | Exposure Factor Datasets | 5 wks | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 153 | g | Female | Adult | Not Reported | captured in White Pine County, NV | Exposure Factor Datasets | 3 SD | Laboratory |
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