Mammals
Striped Skunk (Mephitis mephitis)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Fat (total or %) | 31.9 | % | Male | Adult | 5 | Delta Marsh Mannitoba | Exposure Factor Datasets | 1.3 SE | Laboratory |
| Body Fat (total or %) | 10.1 | % | Male | Adult | 5 | Delta Marsh Mannitoba | Exposure Factor Datasets | 2.1 SE | Laboratory |
| 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 | 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 |
| 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 |
Sea Otter (Enhydra lutris)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | 15 | maximum density at this time of year | per 1000 ha | Male | Adult | 7 | Central coast | Exposure Factor Datasets | |
| Home Range | 40.3 | ha | Male | Adult | 10 | Central coast | Exposure Factor Datasets | 4.0 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 | |
| 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 |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 28.3 | kg | Male | Adult | 79 | Amchitka Island | Exposure Factor Datasets | 7.98 SD |
| Body Weight - Mean | 21.1 | kg | Female | Adult | 254 | Amchitka Island | Exposure Factor Datasets | 6.49 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 | Female | Adult | 16 animals | Monterey to San Luis Obispo | Exposure Factor Datasets |
| 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 | 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 |
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 | 5.96 | daily milk intake as % of pup body weight | %/d | Male | Pup | 5 | San Nicolas Island | Exposure Factor Datasets | 1-2 mo | 0.405 SE |
| 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 | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 609 | daily milk intake | g/d | Female | Pup | 19 | San Nicolas Island [lat., 33^oW; long., 119^oW] | Exposure Factor Datasets | 1-2 mo | 24.0 SE |
| 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 | 0.132 | pre-el Nino; 0-2 months | kg/d | Not Reported | Pup | 32 | San Nicolas Island | Exposure Factor Datasets | 0-2 months | 0.007 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | see citation | figure of % occurrence of prey items in scats | % | Female | Adult | 73 - 283 | San Miguel and San Clemente Islands | Exposure Factor Datasets |
California Ground Squirrel (Spermophilus beecheyi)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 8.9 | weight at birth | g | Not Reported | Juvenile | 6 litters (42 animals) | Exposure Factor Datasets | 0 d | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Population Density | range of means for 2 yrs | #/ha | Both Male and Female | Adult | Not Reported | Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] | Exposure Factor Datasets | Alameda |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | 5-6 | wks | Not Reported | Juvenile | Not Reported | 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 | 0.59 | above ground area occupied for at least one mo | acres | Female | Adult | 51 | Calaveras Reservoir | Exposure Factor Datasets | Alameda, Santa Clara |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 512.4 | g | Male | Not Reported | 397 | 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 | Error |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 44.0 | g | Male | Adult | 443 | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | 0.3 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 25.0 | median lifetime distance moved from home range center (from first to last capture) | m | Female | Adult | 25 | Portal | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Population Density | 16.2 | #/ha | Not Reported | Not Reported | Not Reported | 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 | 0.466 | acres | Male | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 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 | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Jan. - June | Both Male and Female | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | d | Both Male and Female | Juvenile | 34 | captured at Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | 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 | 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 (34-53%); fruits (0-22%); arthropods (26-36%); leaves (7-12%); fungi (0-7%); misc. (3-10%) | volumetric % of stomach contents, range of means for 2 yrs. and 2 habitat types | % | Not Reported | Not Reported | 778 | 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 | Condition |
|---|---|---|---|---|---|---|---|---|
| Home Range | 1.03 | acres | Male | Adult | 5 | Consolidation Coal Company test pit, Roundup | Exposure Factor Datasets | breeding |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | range of mean litter sizes for 2 yrs; based on embryo counts | #/litter | Female | Adult | 7 - 8 litters | San Juan Mountains (elev., 3200 m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Home Range | 371.7 | m2 | Male | Not Reported | 17 | sagebrush habitat, Malheur National Wildlife Refuge | Exposure Factor Datasets | 126.7 - 571.8 (2-sigma) |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | ARTHROPODS (78-95%); SEEDS, Halogeton (0-58%), Shadscale (0-27%); grass (0-19%); prickly pear (0-34%), Tansy mustard (0-8%); LEAVES, Halogeton (2-39%), Shadscale (3-14%); grass (17-34%), Tansy mustard (0-11%), peppergrass (0-5%); Russian thistle (0-12%); MISC., mammalian hair (3-13%), prickly pear stems (0-9%) | range of % frequency of food items in stomachs over 3 mo. | % | Not Reported | Not Reported | 405 | Raft River Valley; Cassia County | Exposure Factor Datasets |
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 | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | June - Sept. | time when reproductively active | Both Male and Female | Adult | 65 | New Chicago Marsh, San Francisco Bay National Wildlife Refuge | Exposure Factor Datasets |
California Vole (Microtus californicus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | see citation | figure of body weight at ages 20 - 180 d | g/d | Both Male and Female | Both Adults and Juveniles | Not Reported | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Population Density | range of low and high density yrs | Both Male and Female | Not Reported | Not Reported | Richmond Field Station | Exposure Factor Datasets | Contra Costa |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 3.4 | mean; early growing season | pups/litter | Female | Adult | 9 | Richmond Field Station | Exposure Factor Datasets | Contra Costa | 0.9 (95%CI) |
| Body Weight - Mean | >35 | g | Female | Adult | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | 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 | Male | Adult | 5-35/sample | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | 3.5 | change in body weight | g/wk | Male | Juvenile | 42 | captured in Contra Costa County, CA | Exposure Factor Datasets | 0.2 SE | Laboratory |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | g | Male | Not Reported | Not Reported | San Francisco Bay, San Rafael | Exposure Factor Datasets | Marin |
Audubon's Cottontail (Sylvilagus audubonii)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Home Range | 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 | 25.5 | g | Both Male and Female | Juvenile | 5 | Golden Gate Park, San Francisco | Exposure Factor Datasets | 3 d |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 200 | denning range (area enclosing occupied den sites) | ha | Both Male and Female | Adult | 16 foxes | 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 |
|---|---|---|---|---|---|---|---|---|
| Home Range | approximate range of individual foxes | mi2 | Both Male and Female | Adult | 12 foxes | Buena Vista Valley | Exposure Factor Datasets | Kern |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | early February | 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 | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 79.8 | mean annual mortality rate over 13 years | % | Not Reported | Juvenile | 177 foxes | Naval Petroleum Reserves in California | Exposure Factor Datasets | Kern | 4.5 SE |
Kit Fox (Vulpes macrotis ssp. nevadensis)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | 3.6 | pairs/square mile | Both Male and Female | Adult | 9 individuals | Tooele County, west. UT, elev. 4300-4800 ft | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | see citation | figure of percent survival of juveniles and sub-adults | % | Both Male and Female | Juvenile | 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 | 0.592 | 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 | 5.0 | "not high" temperature group | #/litter | Both Male and Female | Neonate | 150 | captured pregnant mice in spring at Ann Arbor, MI | Exposure Factor Datasets | 0 d | Laboratory |
| 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 body weight over time | g/d | Not Reported | Both Adults and Juveniles | 39 | Exposure Factor Datasets | 0 - 58d | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. borealis)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.03 | Female | Adult | 98 | Original pairs trapped at Heart Lake, Northwest Territories | Exposure Factor Datasets | 0.18 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries |
|---|---|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 81 | average summer survival per 14 d | % | Both Male and Female | Juvenile | 639 | Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | "young of the yr" | CANADA |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 19.7 | g | Male | Adult | 55 | Heart Lake Biological Station, Northwest Territories | Exposure Factor Datasets | CANADA | 0.33 |
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 | 0.25 | 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. 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 |
Deer Mouse (Peromyscus maniculatus ssp. nebrascensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| 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 | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | Arthropods (30.0 +/- 3.62% SE), Lepidopteran larvae (0.2 +/- 0.16% SE), Lepidopteran adults (25.6 +/- 4.32% SE), Fruit (3.5 +/- 2.06% SE), Green vegetation (12.3 +/- 3.35% SE), Fungi (0.3 +/- 0.29% SE), Nuts/Seeds (24.0 +/- 6.98% SE), Unknown (4.1 +/- 2.12% SE) | Mean percentage frequency of occurrence of each item in stomach contents | Not Reported | Both Adults and Juveniles | 20 | 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 |
|---|---|---|---|---|---|---|---|---|
| Surface Area | range of means for 6 groups, estimated from removed skins | cm2 | Not Reported | Adult | 11/group | Mice trapped near Palmdale, Los Angeles County, CA | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 20.38 | g | Not Reported | Not Reported | 5 | Exposure Factor Datasets | Laboratory |
Audubon's Cottontail (Sylvilagus audubonii ssp. audubonii)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 3 | young/litter | Female | Adult | Not Reported | 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 | 99.0 | mean and range of one standard diameter, home range estimated by "center of activity" method | ft | Female | Juvenile | 14 | E.E. Wilson Game Management Area, Corvallis | Exposure Factor Datasets | 37.4 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 | Female | Adult | 1-15/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 |
|---|---|---|---|---|---|---|
| Clutch or Litter Size | 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 | 21.7 | g | Male | Adult | 135 | Exposure Factor Datasets | Napa | 0.2 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Inhalation Rate | 0-52 | respiration rate in dormant bats at 40 deg F | respirations/min | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | 25 | increase in body weight over time (to adult weight) | g/2-3 mo | Both Male and Female | Juvenile | 20 bats | Exposure Factor Datasets | Laboratory |
Coyote (Canis latrans)
| 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 |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 10 | kg | Both Male and Female | Not Reported | 18 | captured in Maricopa County, AZ | Exposure Factor Datasets | 0.04 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Home Range | 1.0 | minimum area home range | km2 | Both Male and Female | Juvenile | 4 | Wichita Mountains National Wildlife Refuge | Exposure Factor Datasets | "pups" | 0.7 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 9.7 | mean den area; land area around a den or rendezvous used by group | km2 | Male | Adult | 12 | Missouri River Breaks | 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 | Male | Juvenile | 19-35 | 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 |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | rodent (24.4%); deer (9.2%); other stock (7.6%); rabbit (26.4%); misc. (10.3%); sheep (5.3%); bird (8.2%); vegetation (8.6%) | overall % volume of stomach contents | % | Not Reported | Not Reported | 297 | southern region | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Migration or Dispersal | Oct. - Nov. | 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 |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.45 | #/litter | Female | Adult | 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 | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | 0.31 | kg/wk | Both Male and Female | Juvenile | 6 | Exposure Factor Datasets | 0 - 8 wks | Laboratory |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | wks | Both Male and Female | Juvenile | 4 | Exposure Factor Datasets | Laboratory |
Kit Fox (Vulpes macrotis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 9.8 | home range as calculated with the grid-cell method | km2 | Female | Adult | 3 foxes | 7.5 km NW Tonopah | Exposure Factor Datasets | 0.1.4 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 | 107.6 | g | Male | Juvenile | 7 | 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 | 297 | g | Male | Adult | Not Reported | captured in White Pine County, NV | Exposure Factor Datasets | 36 SD | 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 |
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