Mammals
Little Pocket Mouse (Perognathus longimembris)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | OC = 12.68 - 0.286T | equation for average maintenance metabolism estimated as oxygen consumption (OC) at ambient temperatures (T; <30C). | ml O2/g/hr | Not Reported | Not Reported | 27 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 7.4 | g | Both Male and Female | Adult | 8 | Great Basin Desert, near Reno | Exposure Factor Datasets | 1.1 SD |
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 (4.8); Coleoptera larvae (0.1); Grasshoppers (2.5); Leaf hoppers (7.0); Lepidoptera adults (0.5); Lepidoptera larvae (1.3); Spiders (0.3); PLANT MATTER: Seeds (65.4); Total forbs (4.3) - Kochia scoparia (0.6); Total grasses and sedges (4.8); Total shrubs (2.6). | estimated percent volume, by ranking method, of total matter in stomach contents | % | Both Male and Female | Both Adults and Juveniles | 97 | Pawnee National Grassland | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | Range of weighted means of dry weights of stomach contents; | mg | Female | Adult | 33-116 | Ward and McLean Counties | Exposure Factor Datasets | Gravid or lactating |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.70 | #/litter | Female | Adult | 10 | Pinawa, Manitoba | Exposure Factor Datasets | primiparous | CANADA | 0.54 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 3.21 | average resting metabolic rate estimated as oxygen consumption at 14.45C | ml O2/g/hr | Male | Adult | 4 | animals placed in cages in forest near Lethbridge, Alberta | Exposure Factor Datasets | CANADA | 0.10 SE |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Apr. - Dec. | Both Male and Female | Adult | Not Reported | Bass Lake (elev., 4500 ft.) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | seeds (6-49%); fruit (0-24%); arthropods (27-80%); leaves (0-20%); fungi (0-5%); misc. (0-18%) | volumetric % of stomach contents, range of monthly means for 2 yrs. and 2 habitat types | % | Not Reported | Not Reported | 48-59 | 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 | Lab |
|---|---|---|---|---|---|---|---|---|
| Longevity | 7 | yrs | Male | Adult | 1 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 0.01 | area of subniven runway systems | ha | Female | Adult | 5 | eastern slope, Colorado Rocky Mountains (elev., 3120 m) | Exposure Factor Datasets | 0.36 SE |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.3 | pups/litter | Female | Adult | 10 | Exposure Factor Datasets | 0.36 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Home Range | 392.0 | m2 | Female | Not Reported | 8 | sagebrush habitat, Malheur National Wildlife Refuge | Exposure Factor Datasets | 173.2 - 573.3 (2-sigma) |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.6 | #/litter | Female | Adult | 6 | Cascade Mountains, Fish Lake [lat., 47^o, 49'N; long., 120^o, 40'W] | Exposure Factor Datasets | 1.37 SD |
Salt-marsh Harvest Mouse (Reithrodontomys raviventris)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Home Range | range of average maximum distance between captures for groups recaptured 2-9 times | m | Both Male and Female | Not Reported | Not Reported | San Pablo salt marsh | Exposure Factor Datasets | Contra Costa |
California Vole (Microtus californicus)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 25 | d | Male | Adult | Not Reported | Brooks Island, San Francisco Bay | Exposure Factor Datasets | Contra Costa |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Clutches or Litters per year | 0.5 | litters per female per 12 wks | litters/12 wks | Female | Adult | 24 | Exposure Factor Datasets | subadult (4 weeks) | 0.2 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 | 3.0 | mean; early growing season | pups/litter | Female | Adult | 11 | Russell Reservation | Exposure Factor Datasets | Contra Costa | 0.8 (95%CI) |
| Survival/ Mortality | see citation | figure of seasonal changes in minimum survival rate | %/28d | Both Male and Female | Both Adults and Juveniles | 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 | 1115 | ingested energy; fed bromegrass for 21 d | cal/g/d | Not Reported | 7 | Exposure Factor Datasets | 28 d or older | 35 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | see citation | figure of proportion surviving/wk | Both Male and Female | Both Adults and Juveniles | Not Reported | Sea Ranch | Exposure Factor Datasets | Sonoma |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | range of minimum # alive in 8 areas at 103 weekly intervals | #/ha | Male | Both Adults and Juveniles | Not Reported | Tilden Regional Park and Richmond Field Station | Exposure Factor Datasets |
Audubon's Cottontail (Sylvilagus audubonii)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Grasses, 20 species (0 - 22.2%); Forbs, 16 species (0 - 17.4%); Shrubs, 1 species (0.4 - 1.5%); Cactus, 1 species (0 - 0.1%) | range of % composition of species over 2 yrs; estimated as sum of all fragments per food species from all stomachs divided by sum of fragments from all stomachs | % | Both Male and Female | Both Adults and Juveniles | 18 - 30 | Fort Collins, Larimer County (elev. 1650-2200 m) | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 115 | average radii drawn from computed center of activity to capture points | ft | Male | Adult | 10 | Berkeley Hills | Exposure Factor Datasets | 10 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 149 | mean range diameter | ft | Female | Adult | 31 | Humboldt Bay | Exposure Factor Datasets | Humboldt |
Desert Kit Fox (Vulpes macrotis ssp. arsipus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Longevity | 2.4 | measured from time of capture to time of last capture or radio-telemetry location | mo | Both Male and Female | Adult | 13 foxes | Rand Open Area and Desert Tortoise Research Natural Area | Exposure Factor Datasets | Kern | 0.7 SE |
San Joaquin Kit Fox (Vulpes macrotis ssp. mutica)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Growth Rate | growth rate observed in repeatedly trapped pups | lb/month | Both Male and Female | Pup | Not Reported | Buena Vista Valley | Exposure Factor Datasets | Kern |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | pups | Female | Adult | 4 foxes | Carrizo Plain Natural Area | Exposure Factor Datasets | San Luis Obispo |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Survival/ Mortality | review | Not Reported | Adult | Not Reported | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | see citation | figure of seasonal changes in density | #/ha | Both Male and Female | Not Reported | Not Reported | University of British Columbia Research Forest | 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 | 2.2 | productive energy in captive animals at 0 C | kcal/animal/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 | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 0.934 | mean weekly consumption per g body weight (seed diet) | g/g/wk | Both Male and Female | Adult | 30 | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. bairdii), Audubon's Cottontail (Sylvilagus audubonii ssp. neomexicanus)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | 28 | d | Both Male and Female | Adult | 3 litters | captured in Rago, Kansas | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. borealis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 23.1 | g | Female | Adult | 47 | captured at Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | day of parturition | 0.3 SE | Laboratory | ||
| Survival/ Mortality | 0 | over-winter survival | % | Male | Adult | 8 | Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | 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 | 0.19 | mean dry stomach content mass | g | Male | Adult | 55 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.02 SE |
| Population Density | 1500 | #/ha | Both Male and Female | Not Reported | Tule Lake National Wildlife Refuge (elev., 1230 m) | Exposure Factor Datasets | Siskiyou |
Deer Mouse (Peromyscus maniculatus ssp. labecula)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.5 | pups/litter | Female | Adult | 21 litters | captured in Mexico | Exposure Factor Datasets | 0.3 SE | 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 | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | 0.38 | average growth from neonate to physiological independence | g/d | Not Reported | Juvenile | 29 | Exposure Factor Datasets | 0 - 21 d | 0.01 SE | 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 | 17.2 | g | Female | Adult | 76 | Mountain Lake Biological Station, Giles County [lat., 37^010'N; long., 80^o30' W] | Exposure Factor Datasets | 0.35 SE |
Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Location | Type | California Counties |
|---|---|---|---|---|---|---|
| Age at Sexual Maturity | d | Both Male and Female | Adult | White Mountain (elev. 4500 - 12,400 ft) | Exposure Factor Datasets | Mono |
Audubon's Cottontail (Sylvilagus audubonii ssp. arizonae)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Jan. - Aug. | time of breeding | Both Male and Female | Adult | Not Reported | southern portion of state | Exposure Factor Datasets |
Audubon's Cottontail (Sylvilagus audubonii ssp. vallicola)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Foraging Distance | range of average foraging diameters for rabbits with 5 recapture rates, overall range 30 - 1450 ft. | ft | Both Male and Female | Both Adults and Juveniles | 5 - 39 | San Joaquin Experimental Range | 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 | 649.50 | g | Male | Adult | 22 | E.E. Wilson Game Management Area, Corvallis | Exposure Factor Datasets | 62.89 SD |
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