Mammals
Striped Skunk (Mephitis mephitis)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 242 | ha | Female | Not Reported | 24 animals | Walum, ND | Exposure Factor Datasets | CANADA | 119 SD |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 2584 | g | Male | Adult | 5 | Delta Marsh Mannitoba | Exposure Factor Datasets | CANADA | 20.9 SE | |
| Body Fat (total or %) | 31.9 | % | Male | Adult | 5 | Delta Marsh Mannitoba | Exposure Factor Datasets | 1.3 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 2.85 | kg | Male | Both Adults and Juveniles | 15 animals | Bearville study area; Itasca county | Exposure Factor Datasets | > 2 years | 0.22 SE |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | May-early June | Both Male and Female | Neonate | 118 females | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 6.8 | embryos; all ages | pups/litter | Female | Adult | 87 females | Saskatchewan; Alberta | Exposure Factor Datasets | CANADA |
| 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 |
Sea Otter (Enhydra lutris)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 6.5 | yr | Male | 22 | Central coast | Exposure Factor Datasets | ||
| Population Density | 15 | maximum density at this time of year | per 1000 ha | Male | Adult | 7 | Central coast | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Water Ingestion Rate | 269 | mL/kg-d | Both Male and Female | Adult | 5 | Exposure Factor Datasets | 25 SE | Laboratory | ||
| Water Ingestion Rate | 62 | Sea water ingestion rate | mL / kg-d | Both Male and Female | Adult | 5 | Exposure Factor Datasets | 27 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | unidentifed crab (15.0%), pugettia (4.5%), cancer species (6.8%), unidentified abalone (0%), red abalone (0%), black abalone (0%), clam (0.8%), turbon snail (19.6%), kelp and holdfasts (0%), unidentifed (42.9%), mussel (0.8%), annelid (0%), limpet (0%), scallop (0%), octopus (0.8%), red urchin (6.0%), cucumaria (0%), purple urchin (2.3%), pisaster species (0.8%), barnacle (0%) | dietary composition for juveniles | % | Both Male and Female | Juvenile | 156 | Piedras Blancas | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 1.96 | kg | Female | Juvenile | 6 | Amchitka Island | Exposure Factor Datasets | newborn | |
| Body Weight - Mean | 28.3 | kg | Male | Adult | 79 | Amchitka Island | Exposure Factor Datasets | 7.98 SD |
| 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 | Male | Juvenile | 5 animals | Monterey to San Luis Obispo | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | see Figure 1 | oxygen consumption measured at 15-20 C | Not Reported | Not Reported | 2 | Exposure Factor Datasets | fed | Laboratory |
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 | 7.37 | daily milk intake as % of pup body weight | %/d | Female | Pup | 7 | San Nicolas Island | Exposure Factor Datasets | 5-30 d | 0.242 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 723 | daily milk intake | g/d | Male | Pup | 24 | San Nicolas Island [lat., 33^oW; long., 119^oW] | Exposure Factor Datasets | 1-2 mo | 31.0 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 8.6 | mean weight; 2 years post el Nino (1985) | kg | Not Reported | Neonate | 16 neonates | San Nicolas Island | Exposure Factor Datasets | 3 days or less | 0.227 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 26.9 | metabolic rate during excercise | ml O2/min/kg | Both Male and Female | Juvenile | 6 | Exposure Factor Datasets | 1.9 SE | Laboratory |
California Ground Squirrel (Spermophilus beecheyi)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of monthly mean weights over 4 yrs | g | Male | Adult | 4 - 63/mo | San Joaquin Experimental Range | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 270 | m2 | Male | Adult | 12 | Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] | Exposure Factor Datasets | Alameda | postbreeding |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | 28-30 | d | Female | Adult | 128 | University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] | Exposure Factor Datasets | Santa Cruz |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 0.36 | above ground area occupied for at least one mo | acres | Male | Adult | 21 | Calaveras Reservoir | Exposure Factor Datasets | Alameda, Santa Clara |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 4217.07 | m2 | Female | Adult | 5 | Capay (elev., 305 m) | Exposure Factor Datasets | Yolo | 1515.67 SD |
Merriam's Kangaroo Rat (Dipodomys merriami)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | 7.8 | #/ha | Both Male and Female | Not Reported | 782 | 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 | 46.5 | median lifetime distance moved from home range center (from first to last capture) | m | Male | Adult | 36 | Portal | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | range of mean "minimal metabolism" estimated as oxygen consumption at 32C | ml O2/g/h | Not Reported | Not Reported | 8 | captured in San Bernadino and Riverside Counties, CA | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 2.02 | embryos/female | 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 |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | see citation | figure of seasonal changes in mean body weight | g | Both Male and Female | Adult | 2-96/mo | Las Vegas Valley, Clark County (elev., 2500 ft) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | none | Female | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Metabolic Rate | range of monthly estimated energy expenditures in the field | kcal/g/d | Not Reported | Adult | 1 - 5/mo | Rock Valley | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 33 | g | Female | Not Reported | NR (74 males and females total) | Owens Valley | Exposure Factor Datasets | Inyo | 0.32 SE |
San Joaquin Kangaroo Rat (Dipodomys nitratoides)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 84 | earliest age of conception | d | Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Stephens' Kangaroo Rat (Dipodomys stephensi)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | 36.1 | average density over 19 mo study | #/ha | Both Male and Female | Not Reported | 125 | Lake Mathews [lat., 33^o50'N; long., 117^o27'30"W] | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 2.67 | young/litter | Female | Adult | 6 | Motte Rimrock Reserve and San Jacinto Wildlife Area | Exposure Factor Datasets | Riverside |
Little Pocket Mouse (Perognathus longimembris)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 0.33 | annual composite home range estimated by principal component method (95% probability) | ha | Not Reported | Not Reported | 394 recapture loci | Warm Springs Valley, Washoe County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | seed consumption measured in field enclosures | mg/g bw/d | 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 (10.8); Coleoptera larvae (1.4); Grasshoppers (5.7); Leaf hoppers (3.4); Lepidoptera adults (4.4); Lepidoptera larvae (1.3); Spiders (2.5); PLANT MATTER: Seeds (40.3); Total forbs (10.4) - Kochia scoparia (6.7); Total grasses and sedges (3.5); Total shrubs (1.1). | estimated percent volume, by ranking method, of total matter in stomach contents | % | Both Male and Female | Both Adults and Juveniles | 92 | Pawnee National Grassland | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 1032 | maintenance (485 cal/g/d) + production (547 cal/g/d) metabolic rate | cal/g/day | Female | Adult | 1 | Exposure Factor Datasets | Lactating | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | 22.8 | calculated median age at weaning for wild populations. | d | Both Male and Female | Juvenile | Not Reported | Pinawa, Manitoba | Exposure Factor Datasets | Weaning | CANADA | 6.8 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 4.26 | average daily metabolic rate estimated by 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 | 0.3 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.27 | mean litter size based upon number of visible embryos | #/litter | Female | Adult | 77 | Gunnison County and Saquache County, (elev., 8500 - 9300 ft.) | Exposure Factor Datasets | 0.13 |
| 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 | 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 | 69 | average radii drawn from computed center of activity to capture points | ft | Female | Adult | 10 | Berkeley Hills | Exposure Factor Datasets | 8 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 131 | mean range diameter | ft | Male | Juvenile | 17 | Humboldt Bay | Exposure Factor Datasets | Humboldt |
Desert Kit Fox (Vulpes macrotis ssp. arsipus)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 2034 | g | Male | Adult | 15 foxes | Rand Open Area and Desert Tortoise Research Natural Area | Exposure Factor Datasets | Kern | 78 SE |
San Joaquin Kit Fox (Vulpes macrotis ssp. mutica)
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | pups | Female | Adult | 5 litters | 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 | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Home Range | 11.6 | individual home range size | km2 | Both Male and Female | Adult | 21 foxes | Carrizo Plain Natural Area | Exposure Factor Datasets | San Luis Obispo | 0.9 SE |
Kit Fox (Vulpes macrotis ssp. nevadensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 1.9 | calculated with Minimum Area Method | km2 | Male | Adult | 4 | Pine Valley | Exposure Factor Datasets | 1.1 SD |
Deer Mouse (Peromyscus maniculatus ssp. austerus)
| Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Survival/ Mortality | range of mean probabilities of survival on three areas by breeding season and sex | 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 Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | Range of mean body weights for females with varying litter sizes (2-9) | g | Female | Adult | 4 - 111 | Exposure Factor Datasets | At conception | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Water Ingestion Rate | 3.78 | daily water ingestion at ambient temperature of 21C | cc/animal/d | Female | Adult | Not Reported | Exposure Factor Datasets | prior to parturition | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. borealis)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 19.2 | g | Female | Adult | 103 | Original pairs trapped at Heart Lake, Northwest Territories | Exposure Factor Datasets | nonbreeding | 0.9 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 24.48 | g | Female | Adult | 37 | captured at Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | lactating | 0.37 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 29.0 | g | Female | Adult | 8 | captured in Lethbridge, Alberta | Exposure Factor Datasets | lactating | 1.0 SE | Laboratory |
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 | 0.22 | mean dry stomach content mass | g | Female | Adult | 90 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.02 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 3.26 | resting oxygen consumption rate at 25C | cc O2/g/hr | Both Male and Female | Not Reported | 8 | Exposure Factor Datasets | 0.09 SE | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nebrascensis)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 3.7 | pups/litter | Female | Adult | 25 litters | captured in Nebraska | Exposure Factor Datasets | 0.3 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 18.93 | g | Not Reported | Not Reported | 5 | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nubiterrae)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Mar. - Nov. (peaks; Apr.-June and Sept.-Oct.) | time of breeding | Both Male and Female | Adult | Not Reported | Mountain Lake Biological Station, Giles County [lat., 37^010'N; long., 80^o30' W] | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 88 | annual mortality rate of post-weaned individuals calculated from age structure data | % | Both Male and Female | Juvenile | White Mountain (elev., 4500-7100 ft) | Exposure Factor Datasets | Mono |
Audubon's Cottontail (Sylvilagus audubonii ssp. arizonae)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 2.7 | estimated by uterine scar counts | young/litter | Female | Adult | Not Reported | Phoenix | Exposure Factor Datasets |
Audubon's Cottontail (Sylvilagus audubonii ssp. vallicola)
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Body Weight - Mean | g | Both Male and Female | Adult | Not Reported | San Joaquin Experimental Range | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani ssp. ubericolor)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | range of mean litter sizes over 2 yrs, based on embryo and placental scar counts | young/litter | Female | Adult | 9-15/yr | E.E. Wilson Game Management Area, Corvallis | Exposure Factor Datasets |
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 | Male | Adult | 3-10/mo | San Francisco Bay region | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Molt | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Pallid Bat (Antrozous pallidus)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Body Weight - Mean | Review | Both Male and Female | Not Reported | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 32.6 | g | Male | Adult | 10 | Exposure Factor Datasets | Napa | 0.9 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Time of Migration or Dispersal | mid-Oct. | time of dispersal of summer roost colonies | Both Male and Female | Both Adults and Juveniles | Not Reported | Exposure Factor Datasets | Kern, San Luis Obispo |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | 7-10 | age at weaning | wks | Both Male and Female | Juvenile | 20 bats | Exposure Factor Datasets | Laboratory |
Coyote (Canis latrans)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | rodents (27.7%); rabbits (2.9%); carnivores (1.1%); ungulates (28.5%); birds (2.4%); reptiles (1.2%); fish (0.3%); invertebrates (1.9%); vegetable matter (34.0%) | annual average % relative frequency of occurrence in scats | % | Not Reported | Not Reported | 1042 scats | Red Bluff | Exposure Factor Datasets | Tehama |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 106.5 | mean annual home range of transient coyotes | km2 | Both Male and Female | Both Adults and Juveniles | 16 | Pinon Canyon Maneuver Site, Las Animas County (elev., 1310-1740 m) | Exposure Factor Datasets | 27.7 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 39.9 | minimum area home range | km2 | Female | Juvenile | 4 | Wichita Mountains National Wildlife Refuge | Exposure Factor Datasets | 27.6 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 7.8 | mean den area; land area around a den or rendezvous used by group | km2 | Female | Adult | 3 | Missouri River Breaks | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 8.0 | kg | Female | Juvenile | 50 | Webb County [lat., 27^o20'-28^o00N; long., 99^o00'-99^o40'W] | Exposure Factor Datasets | 1.0 yr | 0.1 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | rodent (19.2%); deer (5.0%); other stock (12.4%); rabbit (41.5%); misc. (12.4%); sheep (6.6%); bird (2.1%); vegetation (0.8%) | overall % volume of stomach contents | % | Not Reported | Not Reported | 94 | eastern region | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of average weights | kg | Both Male and Female | Juvenile | Not Reported | Aitkin and Itasca counties | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Population Density | 0.53 | #/km2 | Not Reported | Adult | Not Reported | National Elk Refuge, Jackson Hole | Exposure Factor Datasets | 0.04 SD |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 2724 | g | Both Male and Female | Juvenile | 6 | Exposure Factor Datasets | 56d | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Home Range | 6.0 | mean distance moved by coyotes marked in 1964-1968 and relocated by 1976 | km | Both Male and Female | Adult | 18 | Rochester, Alberta | Exposure Factor Datasets | CANADA | 1.6 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Seeds (54.8%); Fruit (56.9%); Insects (44.1%); California voles (12.9%); Lagomorphs (10.8%); Cricetine rodents (62.4%); Birds (5.4%); Califorina ground squirrels (4.3%); Gophers (2.2%); Amphibians/Reptiles (2.2%) | overall % frequency of occurrence of prey items in scats | % | Not Reported | Not Reported | 93 scats | Lemoore Naval Air Station | Exposure Factor Datasets | Fresno, Kings |
Kit Fox (Vulpes macrotis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | black-tailed hare (61.4%), cottontail rabbit (7.7%); also Ord's kangaroo rat, deer mouse, pocket mouse, horned lark, unident. passerine, beetle | proportion of total prey items identified in stomach contents | Both Male and Female | Adult | 18 stomachs | Exposure Factor Datasets |
Long-tailed Weasel (Mustela frenata)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 18 | % body weight consumed/d | Both Male and Female | Adult | 7 | captured at Delta, Manitoba, Canada | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 98.9 | g | Female | Adult | 17 | northern/central ID and Whitman County, WA | Exposure Factor Datasets | 14.4 SD |
| 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 |
