Mammals
Stephens' Kangaroo Rat (Dipodomys stephensi)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 65.83 | g | Male | Adult | 3 | captured 3 days prior at Lake Mathews, Riverside County, CA | Exposure Factor Datasets | 1.19 SD | Laboratory |
Body Weight - Mean | 62.30 | g | Female | Adult | 5 | captured 3 days prior at Lake Mathews, Riverside County, CA | Exposure Factor Datasets | 2.40 SD | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 30 | g | Both Male and Female | Juvenile | 16 | Exposure Factor Datasets | 22 d | Laboratory |
Little Pocket Mouse (Perognathus longimembris)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of means of initial weights for 3 experimental groups | g | Not Reported | Not Reported | 9/group | captured at Joshua Tree, San Bernadino County, CA | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 18 | d | Not Reported | Juvenile | 26 | Exposure Factor Datasets | Laboratory | ||
Growth Rate | see citation | figure of body weight at various ages (0 - 60 d) with calculated instantaneous growth rates | g | Not Reported | Juvenile | 26 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Torpor or Hibernation | Sept. - Mar. or Apr. | Not Reported | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | 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 | Arthropod (8.2), Taraxacum officinale (7.7), Lamium amplexicaule (6.5), Capsella bursa-pastoris (4.6), Phleum pratense (3.3), Dactylis glomerata (2.4), Festuca arundinacea (2.0), Trifolium stoloniferum (1.9), Animal material (1.9), Bromus tectorum (1.8), Tridens flavus (1.7), Setaria faberi (1.6), Miscellaneous (1.1), Setaria viridis (0.4). | mean # food items in stomach contents | # | Both Male and Female | Not Reported | 63 | Southwest Missouri State University Agricultural Station | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | ARTHROPODS (84-89% total) - Lepidoptera larvae (11-14); Coleoptera (4-11); June Beetles (54-75); Jerusalum crickets (0-13); Ants (0-1); Orthoptera (1-4); Spiders (1); Lygaeid bugs (0-1); Scorpions (0-1); Solfugids (0-1); Diptera (2-4); GREEN VEGETATION (0% total); SEEDS (11-16% total). | % weight of prey in fecal pellets; range of mean values over 2 yrs | % | Both Male and Female | Both Adults and Juveniles | 25-31 | Mono Lake (elev. 2000m) | Exposure Factor Datasets | Mono |
Dietary Composition | ARTHROPODS (72-90% total) - Lepidoptera larvae (5-11); Coleoptera (7-8); June Beetles (0-3); Jerusalum crickets (0-19); Ants (0); Orthoptera (1); Spiders (1-2); Lygaeid bugs (56-83); Scorpions (0); Solfugids (0-1); Diptera (0-1); GREEN VEGETATION (0-3% total);SEEDS (10-25% total). | % weight of prey in fecal pellets; range of mean values over 2 yrs | % | Both Male and Female | Both Adults and Juveniles | 20-24 | Mono Lake (elev., 2000m) | Exposure Factor Datasets | Mono |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | arthropods (63.2-100%); seeds (0-21.3%); berries (0-2.8%); chlorophyllous plant matter (0-1.0%); achlorophyllous plant matter (0-0.1%); fungi (0-12.0%) | % total volume of stomach contents;Range for 2 yrs | % | Not Reported | Not Reported | 8-38/yr | burned forest, Manitouwadge, Ontario [lat., 49^o07'N; long., 85^o50'W] | Exposure Factor Datasets | CANADA |
Dietary Composition | arthropods (53.4 %); fungi (9.5%); seeds (22.1%); berries (7.4%); chlorophyllous plant matter (3.0%); achlorophyllous plant matter (4.7%) | % total volume of stomach contents. | % | Not Reported | Not Reported | 180 | uncut and selectively cut forest, Manitouwadge, Ontario [lat., 49^o07'N; long., 85^o50'W] | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 34.6 | g | Both Male and Female | Both Adults and Juveniles | 47 | Exposure Factor Datasets | Calaveras | 0.23 | |||
Age at Sexual Maturity | 17 | years | Both Male and Female | Adult | 23 | Blue Lake, 75 long., 95 lat. |
Exposure Factor Datasets | 2 years | Alpine | 0 | Laboratory |
Body Fat (total or %) | 12.7 | % | Both Adults and Juveniles | 47 | Exposure Factor Datasets | 0.45 |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | range of mean body weights measured over 3 years | g | Both Male and Female | Both Adults and Juveniles | 144-164 | Rabbit Ears Pass, subalpine meadows (elev., 3020 m) | Exposure Factor Datasets |
Population Density | range of mean densities measured over 3 years | #/acre | Both Male and Female | Both Adults and Juveniles | Not Reported | Rabbit Ears Pass, subalpine meadows (3020 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | 0.12 | acres | Female | Juvenile | 12 | Bass Lake (elev., 4500 ft.) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Home Range | 0.61 | acres | Male | Juvenile | 10 | Edwin S. George Reserve, University of Michigan | Exposure Factor Datasets | 0.11 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | FI = 2.44 + 0.05 W | equation relating food intake (FI; g/d) to body weight (W; g) | g/d | Female | Adult | 42 | Exposure Factor Datasets | non-breeding | Laboratory |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of mean weights taken every 2 wks for 10 wks in sites with excess artificial food (whole oats) | g | Male | Juvenile | 2-30/time | University of British Columbia | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4.1 | based on embryo counts | #/litter | Female | Adult | 14 females | islands adjacent to Vancouver Island [lat., 48 ^o 50' N; long., 125^o,15'W] | Exposure Factor Datasets | CANADA | 0.21 |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | range of means over 3 yrs in 2 habitat types | g | Female | Adult | Not Reported | Santa Barbara Island [lat.,33^o29' N, long., 119^o02' W] | Exposure Factor Datasets |
Salt-marsh Harvest Mouse (Reithrodontomys raviventris)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Population Density | #/ha | Not Reported | Not Reported | 32 | Collinsville | Exposure Factor Datasets | Solano |
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 |
California Vole (Microtus californicus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 103 | estimated by minimum area polygon | m2 | Male | Adult | Not Reported | Richmond Field Station | Exposure Factor Datasets | Contra Costa | breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | .739 | minimum survival rate per 2 wks | Female | Adult | 7 breeding seasons (6 populations pooled) | Berkeley | Exposure Factor Datasets | breeding season |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | grass heads (72.6%); grass leaves (4.2%); grass stems (2.0%); grass roots (0.4%); Forb leaves (15.4%); Forb stems (2.6%); Forb roots (2.0%); vole hair (0.8%) | composition of stomach contents | % | Not Reported | Not Reported | 500 items/10 voles | 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 |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 20.4 | median weight at sexual maturity | g | Female | Adult | 69 | Orinda, Layfayette, Russell Reservation | Exposure Factor Datasets | Contra Costa |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.3 | young/litter | Female | Adult | 12 | Exposure Factor Datasets | subadult (4 wks) | 0.7 SE | Laboratory |
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 |
Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|
Survival/ Mortality | range of mean minimum survival rates per 14 d measured | Female | Juvenile | 2 periods of weekly sampling | Tilden Regional Park | Exposure Factor Datasets | "subadult" (26-39g) |
Audubon's Cottontail (Sylvilagus audubonii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Grasses (37.9%); Forbs (41.3%); Shrubs (20.8%) | % total dietary bulk (volume), estimated from stomach contents | % | Not Reported | Not Reported | 97 | Sugarloaf Mountain, Maricopa County (elev., 850m) | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Jan. - May | time of mating | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Alameda, Contra Costa, Lake, Marin, Napa |
San Joaquin Kit Fox (Vulpes macrotis ssp. mutica)
Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Survival/ Mortality | Survival rates of radiocollared foxes for 1990, 1991 | Male | Adult | 25 foxes | extreme southern San Joaquin Valley | Exposure Factor Datasets | Kern |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 6.13 | based on all observations of marked individuals | km2 | Both Male and Female | Adult | Exposure Factor Datasets | Kern | 0.45 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 67 | % | Both Male and Female | Adult | 3 foxes | Bethany Reservoir | Exposure Factor Datasets | Alameda |
Kit Fox (Vulpes macrotis ssp. nevadensis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Longevity | 5+ | average maximum age attained | yr | Both Male and Female | Adult | Not Reported | western Utah | Exposure Factor Datasets |
Pacific Pocket Mouse (Perognathus longimembris ssp. pacificus)
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 |
Deer Mouse (Peromyscus maniculatus ssp. bairdii)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 20.8 | g | Both Male and Female | Adult | 8 | Exposure Factor Datasets | winter-acclimatized | 1.24 SE | Laboratory |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|
Age at Sexual Maturity | d | Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 3370 | resting oxygen consumption at 23C | ml/kg/hr | Male | Adult | 6 | Exposure Factor Datasets | resting | 126.7 SE | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. borealis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 0.15 | daily ingestion rate; animals fed Purina rat pellets | g/g/d | Female | Adult | 18 | Original pairs trapped at Heart Lake, Northwest Territories | Exposure Factor Datasets | nonbreeding | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 24.9 | d | Both Male and Female | Juvenile | 43 | Exposure Factor Datasets | Laboratory | ||||
Survival/ Mortality | 30 | over winter survival | % | Male | Juvenile | 30 | Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | "young of the yr" | 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 | 0.13 | mean dry stomach content mass | g | Male | Juvenile | 18 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.02 SE |
Deer Mouse (Peromyscus maniculatus ssp. gracilis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Surface Area | SA = 8.5 x (weight)2/3 | Weight in grams multiplied by 2/3 power | cm2 | Not Reported | Adult | 2 | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nebrascensis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 25.5 | mean of 10 shortest times | d | Female | Adult | 10 | captured in Alberta, Canada | Exposure Factor Datasets | 0.3 SE | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nubiterrae)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Torpor or Hibernation | winter | peak occurence of spontaneous torpor | Both Male and Female | Both Adults and Juveniles | 59 | Macon county, pine-hemlock forest | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. rubidus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 3.11 | resting oxygen consumption rate at 25C | cc O2/g/hr | Male | Not Reported | 10 | Exposure Factor Datasets | 0.22 SE | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 24.2 | g | Not Reported | Not Reported | 29 | collected near Las Vegas, NV | Exposure Factor Datasets | 0.18 SE | Laboratory |
Audubon's Cottontail (Sylvilagus audubonii ssp. audubonii)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Body Weight - Mean | g | Both Male and Female | Juvenile | 9 observations from 8 animals | 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 | 122.4 | mean and range of one standard diameter, home range estimated by "center of activity" method | ft | Male | Adult | 12 | E.E. Wilson Game Management Area, Corvallis | Exposure Factor Datasets | 45.9 SD |
Ornate Shrew (Sorex ornatus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of mean weights during 3 seasons | g | Both Male and Female | Adult | 9-22/season | captured at Suisun and San Pablo Bay | Exposure Factor Datasets | Laboratory |
Broad-footed Mole (Scapanus latimanus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | see citation | figure of % dog food or earthworms ingested/body weight over 20 d | Not Reported | Not Reported | 4 | Exposure Factor Datasets | Laboratory |
Pallid Bat (Antrozous pallidus)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | #/litter | Female | Adult | 40 bats | Napa, CA | Exposure Factor Datasets | Napa |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | late May through June | time of parturition through time when young begin to fly | Both Male and Female | Adult | Not Reported | Camp Verde, Yavapai County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 9 | estimation based on observations in wild and captive bats | wks | Female | Adult | Not Reported | Exposure Factor Datasets | Kern, San Luis Obispo |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Inhalation Rate | breathing rate of active animals at 25 C | breaths/min | Not Reported | Adult | Not Reported | 50 mi. NE of Berkeley (capture location) | Exposure Factor Datasets | Laboratory |
Coyote (Canis latrans)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 5.4 | estimated by placental scars, number of foeti and 2 litters | young/litter | Female | Adult | 20 | Lower Fraser Valley, British Columbia | Exposure Factor Datasets | CANADA | 1.8 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | leporids (66.5%); rodents (21.5%); livestock (17.8%); coyote (2.1%); birds (17.8%); reptiles (5.4%); insects (18.6%); fruit (4.5%); other (2.1%); refuse (5.8%) | % frequency of occurrence in stomach contents estimated over 6 yrs | % | Not Reported | Not Reported | 242 | Naval Petroleum Reserves, Bakersfield (elev., 88-473m) | Exposure Factor Datasets | Kern |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | mule deer (35.2%); cattle (11.5%); sheep (3.7%); coyote (2.9%); Microtus sp. (47.7%); Thomomys sp. (6.8%); Lepus americanus (4.4%); Marmota flaviventris (3.9%); Citellus lateralis (3.9%); Erethizon dorsatum (3.7%); song birds (3.7%); other insects (4.7%); pine and fir needles (19%); grass (17.6%); other vegetable matter (8.7%) | % of scats containing food item | % | Both Male and Female | Adult | 384 scats | Sagehen Creek Field Station, Truckee | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | mesquite pods (39%); prickly pear fruit (21%); other plants(35%); rodent (27%); lagomorph (20%); mule deer (9%); other mammals (4%); dog food or human-related (trace); misc. (16%) | annual % occurrence of prey items identified in scats | % | Not Reported | Not Reported | 449 scats | rural area near Saguaro National Monument | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | rodents (36%); ungulates (26%); lagomorphs (23%); insectivores (2%); other mammals (1%); unidentified mammals (13%); birds (8%); reptiles (2%); insects (3%); fruit (38%); grass (13%); human refuse (1%) | annual % frequency of occurrence in scats | % | Not Reported | Not Reported | 844 | Willamette National Forest, Lane County (elev., 500-1500 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.42 | overall annual survival rate (autumn-autumn), estimated over 3 yr periods | Both Male and Female | Juvenile | 38 | Webb County | Exposure Factor Datasets | 0.5 - 1.5 yr | 0.24 - 0.60 (95% CL) |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Body Fat (total or %) | 16.8 | % | Both Male and Female | Both Adults and Juveniles | Not Reported | Quebec | Exposure Factor Datasets | CANADA | 1.8 |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 12.7 | kg | Male | Adult | 16 | Naval Petroleum Reserves (elev., 88 - 473 m) | Exposure Factor Datasets | >2 yr | Kern | 0.3 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | voles (74.9%); deer mice (0.5%); other rodents (11.8%); deer (18.3%); pronghorn (10.9%); other ungulates (10.0%); lagomorphs (2.4%); other mammals (0.4%); birds and eggs (12.4%); reptiles and amphibians (4.3%); seeds and fruit (0.5%); insects (7.1%); unknown (1.9%) | % frequency of occurrence in scats | % | Not Reported | Not Reported | 211 | National Bison Range (elev., 696-1361 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Population Density | range of minimum and maximum densities over 3 yrs | #/100 km2 | Not Reported | Not Reported | Not Reported | Rochester, Alberta | Exposure Factor Datasets | CANADA | |
Age at Sexual Maturity | 1 | yr | Both Male and Female | Adult | Not Reported | Rochester, Alberta | Exposure Factor Datasets | CANADA |
Long-tailed Weasel (Mustela frenata)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | April | Both Male and Female | Neonate | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Meadow mouse (43.7%); Harvest mouse (14.5%); Deer mouse (6.3%); Mearns cottontail (10.4%); Short-tailed shrew (4.2%); Shaw pocket gopher (2.1%); Least weasel (18.8%) | % frequency in scats | % | Not Reported | Not Reported | 38 scats | Ames | Exposure Factor Datasets |
Striped Skunk (Mephitis mephitis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 8.0 | fetuses | Female | Both Adults and Juveniles | 4 animals | Exposure Factor Datasets | >2 years | 1.0 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 63 | days | Both Male and Female | Embryo | 1 animal | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 2556 | home range, as indexed by greatest distance between captures | m | Male | Adult | 17 | Tofield 15 deg.N,112 deg. W east central Alberta | Exposure Factor Datasets | CANADA | 231SE |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | d | Both Male and Female | Embryo | 118 litters/females | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 6.2 | lb | Male | Adult | 115 | Exposure Factor Datasets | 0.2 |
Sea Otter (Enhydra lutris)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 4.6 | km^2 | Male | Adult | 5 | Santa Cruz to San Luis Obispo | Exposure Factor Datasets | Residents | 0.8 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 35 | Home range for territorial males | ha | Male | Adult | 4 | Monterey | Exposure Factor Datasets | Monterey | 8.75 SE |
Exposure Endpoint Type | Endpoint Value | Sample Size | Location | Type |
---|---|---|---|---|
Survival/ Mortality | review | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 1 | litter size as indicated by reproductive tract examination | pup | Female | Adult | 278 reproductive tracts | Amchitka Island | Exposure Factor Datasets |
California Sea Lion (Zalophus californianus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 9.09 | kg | Male | Pup | 7 | San Nicolas Island | Exposure Factor Datasets | 5 d | 0.112 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 403.7 | oxygen uptake at rectal temperature of 30.9C. | ml O2/min | Both Male and Female | Adult | 3 | Exposure Factor Datasets | 3-4 yrs | 36.0 SE | Laboratory |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Growth Rate | daily weight gain; range of means for 2 yrs | g/d | Female | Pup | 4-8/yr | San Nicolas Island [lat., 33^oW; long., 119^oW] | Exposure Factor Datasets | 1 mo |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | 100 | kg | Female | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | see citation | maps of sea lion densities | #/km2 | Both Male and Female | Both Adults and Juveniles | Not Reported | southern California Bight | Exposure Factor Datasets |
San Joaquin Antelope Squirrel (Ammospermophilus nelsoni)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | 1 | #/2 acres | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
California Ground Squirrel (Spermophilus beecheyi)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 526 | g | Female | Adult | 233 | University of California, Santa Cruz Campus ( elev., 120 m) [lat., 37^0W; long., 122^oW] | Exposure Factor Datasets | Santa Cruz | non-reproductive | 6 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | 696 | g | Male | Adult | 10 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 6.9 | young/litter | Female | Adult | 14 | University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] | Exposure Factor Datasets | Santa Cruz | primiparous |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1 | litter/yr | 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 | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 528 | referred to as "young males" | g | Male | Juvenile | 124 | Davis and Dixon | Exposure Factor Datasets | Solano, Yolo | 208.7 |
Merriam's Kangaroo Rat (Dipodomys merriami)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Body Weight - Mean | g | Male | Adult | Not Reported | San Simon Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.370 | death rate per yr | /yr | Female | Not Reported | 354 | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | d | Female | Juvenile | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Body Weight - Mean | g | Male | Adult | 10 | Boyd Deep Canyon Reserve (elev., 300m) | Exposure Factor Datasets | Riverside |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Body Fat (total or %) | range of 4 seasonal means of fat content (% live weight) | % | Not Reported | Not Reported | 20-42/season | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | San Bernardino |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 61.5 | median lifetime distance moved from home range center (from first to last capture) | m | Male | Juvenile | 16 | Portal | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | 4.0 (0); 10.0 (2 wks); 18.0 (4 wks); 24.0 (6 wks); 28.0 (8 wks); 31.0 (10 wks); 34.0 (12 wks); 36.0 (14 wks) | body weights at various ages (0 - 14 wks) | g | Not Reported | Juvenile | 3 | Exposure Factor Datasets | 0 - 14 wks | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | 1 | #/ 1.91 acres | Female | Adult | Not Reported | Presidio County | Exposure Factor Datasets |