Mammals
Merriam's Kangaroo Rat (Dipodomys merriami)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | OC = 3.57 + (-0.176)(T - 20.14) | equation relating oxygen consumption (OC) to ambient temperature (T, 9-31C) | cc O2/g/hr | Not Reported | Not Reported | 25 | captured at Lovejoy Buttes, Los Angeles County, CA | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 0.49 | annual composite home range estimated by principal component method (95% probability) | ha | Not Reported | Not Reported | 718 recapture loci | Warm Springs Valley, Washoe County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | 1 | #/1.63 acres | Male | Adult | Not Reported | Presidio County | Exposure Factor Datasets |
Population Density | 1 | #/ 1.91 acres | Female | Adult | Not Reported | Presidio County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 37.4 | g | Both Male and Female | Adult | 13 | Great Basin Desert, near Reno | Exposure Factor Datasets | 5.0 SD |
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 |
Stephens' Kangaroo Rat (Dipodomys stephensi)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 10 | g | Both Male and Female | Juvenile | 16 | Exposure Factor Datasets | 5 d | Laboratory | |
Body Weight - Mean | 20 | g | Both Male and Female | Juvenile | 16 | Exposure Factor Datasets | 15 d | Laboratory |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Home Range | range of median maximum distance moved based on telemetry at 2 sites; 15 - 127 d of observation | m | Male | Adult | 4-9 | Motte Rock Ecological Reserve [lat., 33^o53'N; long., 117^o6'W] and San Jacinto Wildlife Area [lat., 33^o51'N; long., 116^o54'W] | Exposure Factor Datasets | Riverside |
Exposure Endpoint Type | Endpoint Value | 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 |
Little Pocket Mouse (Perognathus longimembris)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 3 | wk | Female | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Longevity | 8.3 | maximum lifespan in captivity | yrs | Both Male and Female | Adult | 216 | Exposure Factor Datasets | Laboratory |
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 |
Deer Mouse (Peromyscus maniculatus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Dietary Composition | see citation | figure of preferred food items ranked by Rodger's index | Both Male and Female | Both Adults and Juveniles | 12 | captured in Ontario, Canada | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | ARTHROPODS (81% total) - Lepidoptera larvae (91); Coleoptera (6); June beetles (0); Jerusalum crickets (1); Ants (1); Orthoptera (0); Spiders (1); Lygaeid bugs (0); Scorpions (0); Solfugids (0); Diptera (1);GREEN VEGETATION (19% total); SEEDS (0% total). | % weight of prey in fecal pellets | % | Both Male and Female | Both Adults and Juveniles | 40 | 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 (53.9-87.0 %); seeds (0-40.0%); berries (0-1.2%); chlorophyllous plant matter (0-14.2%); achlorophyllous plant matter (2.1-14%) | % total volume of stomach contents; range for 3 yrs | % | Not Reported | Not Reported | 7-35/yr | clear cut forest, Manitouwadge, Ontario [lat., 49^o07'N; long., 85^o50'W] | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | April (begin), late April-Late July (peak), September (end) | Female | Adult | Not Reported | Pinawa, Manitoba | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 1.71 | Also termed "fasted metabolism", average body weight after 24 hr fast = 18.2 g +/- 0.6 SE | ml 02/g/hr | Not Reported | Adult | 6 | Exposure Factor Datasets | Basal, fasted 24 hr | 0.12 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | 0.13 | acres | Male | Juvenile | 10 | Bass Lake (elev., 4500 ft.) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | based on presence of motile sperm | d | Male | Adult | 43 - 79 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Mating/ Laying | late Nov. -late Apr. | Both Male and Female | Adult | Not Reported | Taylor, Williamson County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 31 | mean distance of feeding or exploratory records from center of activity | m | Both Male and Female | Adult | 10 | Missoula | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of monthly means at sites with excess artificial food (whole oats) | g | Male | Adult | 1-24/mo | University of British Columbia | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Growth Rate | range of mean neonatal growth rate from 3 sites | g/d | Both Male and Female | Neonate | 15-25 | adults captured at Milk River, Alberta [lat., 49^o07'N; long., 111^o45'W] and Sydney, British Columbia, Canada [lat., 48^o43'N; long., 123^o20'W] | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4.1 | #/litter | Female | Adult | 55 | Anytown (elev., 400 m) | Exposure Factor Datasets | Yolo | 0.2 SE |
Salt-marsh Harvest Mouse (Reithrodontomys raviventris)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 10.0 | g | Both Male and Female | Adult | 15 | captured in Contra Costa County, CA | Exposure Factor Datasets | Laboratory |
California Vole (Microtus californicus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | "extra large" body weight corrected for embryos (12.8 % of population) | g | Female | Adult | 123 | Brooks Island, San Francisco Bay | Exposure Factor Datasets | >25 d | 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 | 1.9 | litters per female per 12 wks | litters/12 wks | Female | Adult | 12 | Exposure Factor Datasets | adult | 0.2 SE | Laboratory | |
Clutch or Litter Size | 3.5 | young/litter | Female | Adult | 12 | Exposure Factor Datasets | subadult (4 wks) | 0.6 SE | Laboratory |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Growth Rate | change in body weight; instantaneous rate based on Brody 1945 | %/d | Both Male and Female | Juvenile | Not Reported | Richmond field station; Russell Reservation | Exposure Factor Datasets | Contra Costa |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Age-Specific | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 504 | metabolizable energy; equivalent to average daily metabolic rate | cal/g/d | Not Reported | 7 | Exposure Factor Datasets | 28 d or older | 28 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | OC = 1.94W^-0.209 | equation relating basal oxygen consumption (OC; ml O2/g/hr) to body weight (W, g; 260-800g) | ml O2/g/hr | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Survival/ Mortality | range of mean minimum survival rates per 14 d | Male | Adult | 2 periods of weekly sampling | Tilden Regional Park | Exposure Factor Datasets |
Audubon's Cottontail (Sylvilagus audubonii)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.6 | young/litter | Female | Adult | 19 | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | 2.3 | #/acre | Both Male and Female | Both Adults and Juveniles | 26 | Berkeley Hills | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Sexual Maturity | maturity based on presence of adult pelage | mo | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
San Joaquin Kit Fox (Vulpes macrotis ssp. mutica)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Kangaroo rats (80.7%), rabbits (46.2%), squirrels (9.6%), cottontails (5.8%), pocket mouse (1.9%), unident. insects (59.6%), scorpions (17.3%), Jerusalem crickets (13.5%), insect larvae (11.5%), ants (9.6%), grasshoppers (5.8%), beetles (3.8%), spiders (1.9%) | frequency of occurrence in scat analyses | % | Both Male and Female | Not Reported | 52 scat groups | Exposure Factor Datasets | Kern |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Jerusalem crickets (27%), unident. birds (2%), rabbits (3%), California ground squirrel (35%), pocket mice (2%), western harvest mice (17%), Peromyscus sp. (13%) | percent volume of total prey items in scat | % | Both Male and Female | Not Reported | 10 scats | 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 | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 4.2 | calculated with Minimum Area Method | km2 | Male | Adult | 5 | Pine Valley | Exposure Factor Datasets | 1.5 SD |
Fresno Kangaroo Rat (Dipodomys nitratoides ssp. exilis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | 2.5 (0d); 5.0 (10d); 9.0 (17d); 16.9 (33d); 19.1 (40d) | body weight at various ages (0-40d) | g | Not Reported | Juvenile | 1 | Exposure Factor Datasets | 0-40d | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. bairdii)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | range of mean daily consumption (g food/animal/d) during 3 sampling periods; fed Agway Lab chow | g/d | Both Male and Female | Adult | 4/group | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | Range of mean body weights for neonates from varying litter sizes (2-9) | g | Both Male and Female | Neonate | 3 - 112 | Exposure Factor Datasets | 1 d | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Water Ingestion Rate | 0.126 | total daily water intake (water drunk + water in food) at 21C | cc/g/d | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | 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 | 33.6 | g | Female | Adult | 45 | Original pairs trapped at Heart Lake, Northwest Territories | Exposure Factor Datasets | 1-2 d postpartum | 0.7 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1.70 | g | Both Male and Female | Neonate | 165 | adults captured at Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | 0.02 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 23.9 | g | Female | Adult | 8 | captured in Lethbridge, Alberta | Exposure Factor Datasets | lactating (end) | 0.47 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 | 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 |