Mammals
Coyote (Canis latrans)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | 0.5 | #/km2 | Not Reported | Not Reported | Not Reported | Red Bluff | Exposure Factor Datasets | Tehama | |
Dietary Composition | rodents (27.7%); rabbits (2.9%); carnivores (1.1%); ungulates (28.5%); birds (2.4%); reptiles (1.2%); fish (0.3%); invertebrates (1.9%); vegetable matter (34.0%) | annual average % relative frequency of occurrence in scats | % | Not Reported | Not Reported | 1042 scats | Red Bluff | Exposure Factor Datasets | Tehama |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 11.3 | mean annual home range of resident coyotes | km2 | Both Male and Female | Both Adults and Juveniles | 56 | Pinon Canyon Maneuver Site, Las Animas County (elev., 1310-1740 m) | Exposure Factor Datasets | 5.8 SD |
Home Range | 106.5 | mean annual home range of transient coyotes | km2 | Both Male and Female | Both Adults and Juveniles | 16 | Pinon Canyon Maneuver Site, Las Animas County (elev., 1310-1740 m) | Exposure Factor Datasets | 27.7 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 31.3 | minimum area home range | km2 | Male | Adult | 5 | Wichita Mountains National Wildlife Refuge | Exposure Factor Datasets | 42.5 SD |
Home Range | 39.9 | minimum area home range | km2 | Female | Juvenile | 4 | Wichita Mountains National Wildlife Refuge | Exposure Factor Datasets | 27.6 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 163.5 | field metabolic rate estimated as 3 times basal metabolic rate | kcal/kg | Both Male and Female | Adult | 4 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 9.1 | kg | Male | Juvenile | 32 | Webb County [lat., 27^o20'-28^o00N; long., 99^o00'-99^o40'W] | Exposure Factor Datasets | 1.0 yr | 0.2 SE |
Body Weight - Mean | 8.0 | kg | Female | Juvenile | 50 | Webb County [lat., 27^o20'-28^o00N; long., 99^o00'-99^o40'W] | Exposure Factor Datasets | 1.0 yr | 0.1 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | rodent (24.5%); deer (11.4%); other stock (12.1%); rabbit (22.9%); misc. (10.5%); sheep (9.7%); bird (3.4%); vegetation (5.5%) | overall % volume of stomach contents | % | Not Reported | Not Reported | 813 | inland Sierra region | Exposure Factor Datasets |
Dietary Composition | rodent (19.2%); deer (5.0%); other stock (12.4%); rabbit (41.5%); misc. (12.4%); sheep (6.6%); bird (2.1%); vegetation (0.8%) | overall % volume of stomach contents | % | Not Reported | Not Reported | 94 | eastern region | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | range of average weights | kg | Female | Adult | Not Reported | Aitkin and Itasca counties | Exposure Factor Datasets |
Body Weight - Mean | range of average weights | kg | Both Male and Female | Juvenile | Not Reported | Aitkin and Itasca counties | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Longevity | 21 yr, 10 mo | captive longevity record | yr, mo | Not Reported | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1859 | g | Both Male and Female | Juvenile | 6 | Exposure Factor Datasets | 42d | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 29.3 | mean distance moved by coyotes marked in 1964-1968 and relocated by 1976 | km | Both Male and Female | Juvenile | 22 | Rochester, Alberta | Exposure Factor Datasets | CANADA | 8.9 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Dietary Composition | see citation | figure of monthly average volume (%) of food items in scats during 2 summers | Both Male and Female | Not Reported | 666 scat samples | Gaspesie Conservation Park and Chic-Chocs Game Reserve [lat., 49^o00N'; long., 66^o00' W] | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 7.8 | mean den area; land area around a den or rendezvous used by group | km2 | Female | Adult | 3 | Missouri River Breaks | Exposure Factor Datasets |
Kit Fox (Vulpes macrotis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.5 | mean litter size | pups | Female | Adult | 8 litters | Exposure Factor Datasets |
Long-tailed Weasel (Mustela frenata)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 24 | % body weight consumed/d | Both Male and Female | Juvenile | 7 | captured at Delta, Manitoba, Canada | Exposure Factor Datasets | 8-10 wks | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 199.2 | g | Male | Adult | 46 | northern/central ID and Whitman County, WA | Exposure Factor Datasets | 35.0 SD |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Growth Rate | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Striped Skunk (Mephitis mephitis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 2.81 | kg | Male | Both Adults and Juveniles | 16 animals | Bearville study area; Itasca county | Exposure Factor Datasets | > 1.5 years | 0.14 SE |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | days | Both Male and Female | Embryo | 59 females | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Body Weight - Mean | kg | Male | Adult | 284 males | Saskatchewan; Alberta | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 242 | ha | Female | Not Reported | 24 animals | Walum, ND | Exposure Factor Datasets | CANADA | 119 SD |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 2584 | g | Male | Adult | 5 | Delta Marsh Mannitoba | Exposure Factor Datasets | CANADA | 20.9 SE |
Sea Otter (Enhydra lutris)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Age at Sexual Maturity | 6.5 | yr | Male | 22 | Central coast | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|
Water Ingestion Rate | 269 | mL/kg-d | Both Male and Female | Adult | 5 | Exposure Factor Datasets | 25 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | unidentifed crab (15.0%), pugettia (4.5%), cancer species (6.8%), unidentified abalone (0%), red abalone (0%), black abalone (0%), clam (0.8%), turbon snail (19.6%), kelp and holdfasts (0%), unidentifed (42.9%), mussel (0.8%), annelid (0%), limpet (0%), scallop (0%), octopus (0.8%), red urchin (6.0%), cucumaria (0%), purple urchin (2.3%), pisaster species (0.8%), barnacle (0%) | dietary composition for juveniles | % | Both Male and Female | Juvenile | 156 | Piedras Blancas | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1.96 | kg | Female | Juvenile | 6 | Amchitka Island | Exposure Factor Datasets | newborn |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | daily home range, estimated from hourly trangulations during 24-hr watches using the minimum convex polygon method | ha | Male | Juvenile | 5 animals | Monterey to San Luis Obispo | Exposure Factor Datasets |
California Sea Lion (Zalophus californianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 7.37 | daily milk intake as % of pup body weight | %/d | Female | Pup | 7 | San Nicolas Island | Exposure Factor Datasets | 5-30 d | 0.242 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 723 | daily milk intake | g/d | Male | Pup | 24 | San Nicolas Island [lat., 33^oW; long., 119^oW] | Exposure Factor Datasets | 1-2 mo | 31.0 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 8.6 | mean weight; 2 years post el Nino (1985) | kg | Not Reported | Neonate | 16 neonates | San Nicolas Island | Exposure Factor Datasets | 3 days or less | 0.227 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 26.9 | metabolic rate during excercise | ml O2/min/kg | Both Male and Female | Juvenile | 6 | Exposure Factor Datasets | 1.9 SE | Laboratory |
California Ground Squirrel (Spermophilus beecheyi)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | range of monthly mean weights over 4 yrs | g | Male | Adult | 4 - 63/mo | San Joaquin Experimental Range | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Home Range | 270 | m2 | Male | Adult | 12 | Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] | Exposure Factor Datasets | Alameda | postbreeding |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 28-30 | d | Female | Adult | 128 | University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] | Exposure Factor Datasets | Santa Cruz |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Home Range | 0.36 | above ground area occupied for at least one mo | acres | Male | Adult | 21 | Calaveras Reservoir | Exposure Factor Datasets | Alameda, Santa Clara |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 4217.07 | m2 | Female | Adult | 5 | Capay (elev., 305 m) | Exposure Factor Datasets | Yolo | 1515.67 SD |
Merriam's Kangaroo Rat (Dipodomys merriami)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | 7.8 | #/ha | Both Male and Female | Not Reported | 782 | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 46.5 | median lifetime distance moved from home range center (from first to last capture) | m | Male | Adult | 36 | Portal | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | range of mean "minimal metabolism" estimated as oxygen consumption at 32C | ml O2/g/h | Not Reported | Not Reported | 8 | captured in San Bernadino and Riverside Counties, CA | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.02 | embryos/female | Female | Adult | Not Reported | Santa Rita Experimental Range, Tucson (elev., 3000-4000 ft) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | see citation | figure of seasonal changes in mean body weight | g | Both Male and Female | Adult | 2-96/mo | Las Vegas Valley, Clark County (elev., 2500 ft) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Torpor or Hibernation | none | Female | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Metabolic Rate | range of monthly estimated energy expenditures in the field | kcal/g/d | Not Reported | Adult | 1 - 5/mo | Rock Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 33 | g | Female | Not Reported | NR (74 males and females total) | Owens Valley | Exposure Factor Datasets | Inyo | 0.32 SE |
San Joaquin Kangaroo Rat (Dipodomys nitratoides)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | see citation | figure of changes in weight over time | g | Not Reported | Juvenile | Not Reported | Exposure Factor Datasets | 0 - 140 d | 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 | 26.2 | average density over 19 mo study | #/ha | Both Male and Female | Not Reported | 96 | Motte Rimrock Reserve [lat., 33^o47'30"N; long., 117^o15'W] | Exposure Factor Datasets | Riverside |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | range over 2 yrs | litters/yr | Female | Adult | 8-14/yr | Motte Rimrock Reserve and San Jacinto Wildlife Area | Exposure Factor Datasets | Riverside |
Little Pocket Mouse (Perognathus longimembris)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | range of annual weight means for 2 yrs | g | Both Male and Female | Adult | 31 - 65/yr | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | S = -9.37T + 408 | seed consumption (S) in mg/g bw/d as a function of ambient temperature, in centigrade (T) | Not Reported | Not Reported | 8 individuals | Exposure Factor Datasets | Laboratory |
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 (10.9); Coleoptera larvae (24.4); Grasshoppers (2.6); Leaf hoppers (0.1); Lepidoptera adults (2.1); Lepidoptera larvae (17.6); Spiders (2.8); PLANT MATTER: Seeds (11.4); Total forbs (9.5) - Kochia scoparia (3.6); Total grasses and sedges (1.7); Total shrubs (1.7). | estimated percent volume, by ranking method, of total matter in stomach contents | % | Both Male and Female | Both Adults and Juveniles | 123 | Pawnee National Grassland | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 485 | "maintenance" metabolic rate | cal/g/day | Not Reported | Adult | 6 | Exposure Factor Datasets | 25 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 23 | gestation length: 5 days pre-implantation + 18 days visible pregnancy. | d | Female | Adult | 44 | Pinawa, Manitoba | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 5.76 | average daily metabolic rate estimated as oxygen consumption at -17.7C | ml O2/g/hr | Male | Adult | 4 | animals placed in cages in forest near Lethbridge, Alberta | Exposure Factor Datasets | CANADA | 0.22 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 17.6 | g | Both Male and Female | Adult | 20 | White Mountain Research Station (elev., 3800 m) | Exposure Factor Datasets | Inyo, Mono | 2.91 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Feb. - Mar. (begin), Mar. - May (peak), July - Aug. (possible 2nd peak), Aug. - Dec. (end) | based on % fecund specimens | Both Male and Female | Adult | 1546 | western slope of Sierra Nevada (elev., 3500-5000 ft.) | Exposure Factor Datasets | Plumas |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | see citation | figure of seasonal changes in density | #/acre | Not Reported | Not Reported | Not Reported | Grass Valley Regional Park | Exposure Factor Datasets | Alameda |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | 0.51 | acres | Male | Adult | 8 | Consolidation Coal Company test pit, Roundup | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4.52 | based on embryo counts | #/litter | Female | Adult | 57 | University of British Columbia Research Forest | Exposure Factor Datasets | CANADA | 1.16 SD |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Fat (total or %) | lipid content as % dry body weight | % | Both Male and Female | Both Adults and Juveniles | 12 /season | Ellis County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 16.5 | g | Female | Adult | 45 | Cascade Mountains, Fish Lake [lat., 47^o, 49'N; long., 120^o, 40'W] | Exposure Factor Datasets | non-pregnant | 2.3 SD |
Salt-marsh Harvest Mouse (Reithrodontomys raviventris)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 2/19 | 2 out of 19 juveniles reached adult size | survival ratio | Not Reported | Juvenile | Not Reported | Palo Alto Baylands | Exposure Factor Datasets | Santa Clara |
California Vole (Microtus californicus)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | d | Both Male and Female | Embryo | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of mean values for 4 grids over 3 yrs | g | Female | Adult | 1 - 24 | Russell Reservation, Berkeley | Exposure Factor Datasets | Contra Costa | non-breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 5.23 | inhabiting annual grassland enclosure | pups/litter | Female | Adult | 42 | captured in Contra Costa County, CA | Exposure Factor Datasets | 0.33 SE | Laboratory |
Growth Rate | 2.9 | change in body weight | g/wk | Male | Juvenile | 18 | captured in Sonoma County, CA | Exposure Factor Datasets | 0.3 SE | Laboratory |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | pups/litter | Female | Adult | 35 females | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Body Weight - Mean | >40 | g | Male | Adult | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | Contra Costa |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Jan. - June | major breeding season | Both Male and Female | Adult | 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 |
---|---|---|---|---|---|---|
Time of Mating/ Laying | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | estimated by dividing breeding season length by gestation time | litters/yr | 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 Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | 1 | estimated average density based on censuses and literature values | fox/2.8 mi2 | Both Male and Female | Adult | 108 dens | Exposure Factor Datasets | Kern |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | December | time of breeding | Both Male and 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 | 61.0 | mean annual mortality rate over 13 years | % | Not Reported | Adult | 306 foxes | Naval Petroleum Reserves in California | Exposure Factor Datasets | Kern | 5.2 SE |
Kit Fox (Vulpes macrotis ssp. nevadensis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | March to early April | time of whelping | Female | Adult | Not Reported | Tooele County, west. UT, elev. 4300-4800 ft | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. austerus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | spring-summer | period of peak activity | Both Male and Female | Adult | 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 | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.49 | existence metabolic rate for captive animals at 20 C | kcal/g/d | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | winter-acclimatized | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1.53 | g | Both Male and Female | Neonate | 55 | captured pregnant mice during fall 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 | Male | Adult | 3-10/mo | San Francisco Bay region | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Molt | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Pallid Bat (Antrozous pallidus)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Body Weight - Mean | Review | Both Male and Female | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 32.6 | g | Male | Adult | 10 | Exposure Factor Datasets | Napa | 0.9 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | mid-Oct. | time of dispersal of summer roost colonies | Both Male and Female | Both Adults and Juveniles | Not Reported | Exposure Factor Datasets | Kern, San Luis Obispo |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 7-10 | age at weaning | wks | Both Male and Female | Juvenile | 20 bats | Exposure Factor Datasets | Laboratory |