Mammals
California Vole (Microtus californicus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
---|---|---|---|---|---|---|---|---|---|---|
Body Fat (total or %) | see citation | figure relating fat content to body weight | g | Both Male and Female | Both Adults and Juveniles | 44 | Brooks Island, San Francisco Bay | Exposure Factor Datasets | Contra Costa | |
Body Weight - Mean | "extra large" body weight (12.6 % of population) | g | Male | Adult | 121 | 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 |
---|---|---|---|---|---|---|---|---|
Population Density | range of minimum # alive in 8 areas at 103 weekly intervals | #/acre | Female | Both Adults and Juveniles | Not Reported | Tilden Regional Park and Richmond Field Station | Exposure Factor Datasets | |
Time of Mating/ Laying | Oct. - Aug. | based on % scrotal males and performate females; overall range varied by location and year | Both Male and Female | Adult | Not Reported | Tilden Regional Park and Richmond Field Station | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.7 | young/litter | Female | Adult | 12 | Exposure Factor Datasets | 0.3 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.3 | mean; dry season | pups/litter | Female | Adult | 6 | Russell Reservation | Exposure Factor Datasets | Contra Costa | 1.1 (95%CI) |
Time of Mating/ Laying | Sept/Oct. - May/June | breeding; > 50% in reproductive condition | Both Male and Female | Adult | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | Contra Costa |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Age-Specific | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 450 | metabolizable energy; equivalent to average daily metabolic rate | cal/g/d | Not Reported | 5 | Exposure Factor Datasets | 28 d or older | 16 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | 550 | peak density | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | Russell Reservation | Exposure Factor Datasets | Contra Costa |
Audubon's Cottontail (Sylvilagus audubonii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Grasses, 20 species (0 - 21.6%); Forbs, 16 species (0 - 12.4%); Shrubs, 1 species (1.1%); Cactus, 1 species (1.9%) | range of % composition of species; estimated as sum of all fragments per food species from all stomachs divided by sum of fragments from all stomachs | % | Both Male and Female | Both Adults and Juveniles | 29 | Fort Collins, Larimer County (elev. 1650-2200 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Dec. - June | time of breeding | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | 0.9 | #/acre | Both Male and Female | Both Adults and Juveniles | 10 | Berkeley Hills | Exposure Factor Datasets |
Population Density | 2.3 | #/acre | Both Male and Female | Both Adults and Juveniles | 26 | Berkeley Hills | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Home Range | 191 | mean range diameter | ft | Female | Juvenile | 22 | Humboldt Bay | Exposure Factor Datasets | Humboldt |
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 |
Desert Kit Fox (Vulpes macrotis ssp. arsipus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1936 | g | Female | Adult | 13 foxes | Rand Open Area and Desert Tortoise Research Natural Area | Exposure Factor Datasets | Kern | 64 SE |
San Joaquin Kit Fox (Vulpes macrotis ssp. mutica)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | February-March | Female | Adult | Not Reported | Buena Vista Valley | Exposure Factor Datasets | Kern |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | deer mice (10.8%), kangaroo rats (8.4%), pocket gophers (2.9%), pocket mice (20.0%), woodrats (0.6%), ground squirrels (6.4%), birds (7.5%), insects (33.5%), leporids (4.7%), reptiles (2.0%), | percentage occurrence of prey types in feces | % | Both Male and Female | Adult | 834 feces | Carrizo Plain Natural Area | Exposure Factor Datasets | San Luis Obispo |
Kit Fox (Vulpes macrotis ssp. nevadensis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 1.4 | calculated with Minimum Area Method | km2 | Female | Adult | 4 | Pine Valley | Exposure Factor Datasets | 0.7 SD |
Fresno Kangaroo Rat (Dipodomys nitratoides ssp. exilis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 2.2 | g | Both Male and Female | Neonate | 7 | adults captured near Fresno | Exposure Factor Datasets | at birth | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. bairdii)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of means for 6 sampling periods after founding | g | Both Male and Female | Adult | 16-30/group | Exposure Factor Datasets | 80 - 97 d | Laboratory |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | Range of mean body weights for females with varying litter sizes (2-9) | g | Female | Adult | 3 - 97 | Exposure Factor Datasets | Gestating - Lactating | 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 | 0.24 | mean dry stomach content mass | g | Male | Adult | 121 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.02 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 19.1 | g | Not Reported | Not Reported | 29 | collected near Berkeley, CA | Exposure Factor Datasets | 0.13 SE | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nebrascensis)
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 | 33 | captured in Nebraska | Exposure Factor Datasets | 1 d | 0.1 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | MR = 9.401 - 0.254T | equation relating metabolic rate (MR, cc O2/g/hr) to ambient temperature (0-27C) | cc O2/g/hr | Not Reported | Not Reported | 5 | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nubiterrae)
Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Survival/ Mortality | proportion remaining on grid over 2 wk intervals | Both Male and Female | Both Adults and Juveniles | 5-71/group | 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 | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 5.06 | potential litter size estimated using the larger of corpora lutea count or embryo sites | #/litter | Female | Adult | 72 | White Mountain (elev., 9,800 ft) | Exposure Factor Datasets | Mono | 0.16 SE |
Audubon's Cottontail (Sylvilagus audubonii ssp. arizonae)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Jan. - Aug. | time of breeding | Both Male and Female | Adult | 101 | Phoenix | Exposure Factor Datasets |
Riparian Brush Rabbit (Sylvilagus bachmani ssp. riparius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | review | reported home range for males was 957m2 for males and 244 m2 for females (from unpublished reports) | Both Male and Female | Not Reported | Not Reported | Caswell Memorial State Park | 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 |
---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 1+ | maturity based on amount of sperm in epididymides | yr | Male | Adult | Not Reported | E.E. Wilson Game Management Area, Corvallis | Exposure Factor Datasets |
Ornate Shrew (Sorex ornatus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | range of mean monthly weights | g | Male | Adult | 3-10/mo | San Francisco Bay region | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Molt | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Pallid Bat (Antrozous pallidus)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Body Weight - Mean | Review | Both Male and Female | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 32.6 | g | Male | Adult | 10 | Exposure Factor Datasets | Napa | 0.9 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | mid-Oct. | time of dispersal of summer roost colonies | Both Male and Female | Both Adults and Juveniles | Not Reported | Exposure Factor Datasets | Kern, San Luis Obispo |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 7-10 | age at weaning | wks | Both Male and Female | Juvenile | 20 bats | Exposure Factor Datasets | Laboratory |
Coyote (Canis latrans)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | rodents (27.7%); rabbits (2.9%); carnivores (1.1%); ungulates (28.5%); birds (2.4%); reptiles (1.2%); fish (0.3%); invertebrates (1.9%); vegetable matter (34.0%) | annual average % relative frequency of occurrence in scats | % | Not Reported | Not Reported | 1042 scats | Red Bluff | Exposure Factor Datasets | Tehama |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 106.5 | mean annual home range of transient coyotes | km2 | Both Male and Female | Both Adults and Juveniles | 16 | Pinon Canyon Maneuver Site, Las Animas County (elev., 1310-1740 m) | Exposure Factor Datasets | 27.7 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 39.9 | minimum area home range | km2 | Female | Juvenile | 4 | Wichita Mountains National Wildlife Refuge | Exposure Factor Datasets | 27.6 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 7.8 | mean den area; land area around a den or rendezvous used by group | km2 | Female | Adult | 3 | Missouri River Breaks | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 8.0 | kg | Female | Juvenile | 50 | Webb County [lat., 27^o20'-28^o00N; long., 99^o00'-99^o40'W] | Exposure Factor Datasets | 1.0 yr | 0.1 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | rodent (19.2%); deer (5.0%); other stock (12.4%); rabbit (41.5%); misc. (12.4%); sheep (6.6%); bird (2.1%); vegetation (0.8%) | overall % volume of stomach contents | % | Not Reported | Not Reported | 94 | eastern region | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | range of average weights | kg | Both Male and Female | Juvenile | Not Reported | Aitkin and Itasca counties | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Population Density | 0.53 | #/km2 | Not Reported | Adult | Not Reported | National Elk Refuge, Jackson Hole | Exposure Factor Datasets | 0.04 SD |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 2724 | g | Both Male and Female | Juvenile | 6 | Exposure Factor Datasets | 56d | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 6.0 | mean distance moved by coyotes marked in 1964-1968 and relocated by 1976 | km | Both Male and Female | Adult | 18 | Rochester, Alberta | Exposure Factor Datasets | CANADA | 1.6 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Seeds (54.8%); Fruit (56.9%); Insects (44.1%); California voles (12.9%); Lagomorphs (10.8%); Cricetine rodents (62.4%); Birds (5.4%); Califorina ground squirrels (4.3%); Gophers (2.2%); Amphibians/Reptiles (2.2%) | overall % frequency of occurrence of prey items in scats | % | Not Reported | Not Reported | 93 scats | Lemoore Naval Air Station | Exposure Factor Datasets | Fresno, Kings |
Kit Fox (Vulpes macrotis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | black-tailed hare (61.4%), cottontail rabbit (7.7%); also Ord's kangaroo rat, deer mouse, pocket mouse, horned lark, unident. passerine, beetle | proportion of total prey items identified in stomach contents | Both Male and Female | Adult | 18 stomachs | Exposure Factor Datasets |
Long-tailed Weasel (Mustela frenata)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 18 | % body weight consumed/d | Both Male and Female | Adult | 7 | captured at Delta, Manitoba, Canada | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 98.9 | g | Female | Adult | 17 | northern/central ID and Whitman County, WA | Exposure Factor Datasets | 14.4 SD |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Population Density | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Striped Skunk (Mephitis mephitis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 2.85 | kg | Male | Both Adults and Juveniles | 15 animals | Bearville study area; Itasca county | Exposure Factor Datasets | > 2 years | 0.22 SE |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | May-early June | Both Male and Female | Neonate | 118 females | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 6.8 | embryos; all ages | pups/litter | Female | Adult | 87 females | Saskatchewan; Alberta | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Mating/ Laying | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Fat (total or %) | 31.9 | % | Male | Adult | 5 | Delta Marsh Mannitoba | Exposure Factor Datasets | 1.3 SE | Laboratory |
Sea Otter (Enhydra lutris)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 15 | maximum density at this time of year | per 1000 ha | Male | Adult | 7 | Central coast | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Water Ingestion Rate | 62 | Sea water ingestion rate | mL / kg-d | Both Male and Female | Adult | 5 | Exposure Factor Datasets | 27 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | see Figure 1 | oxygen consumption measured at 15-20 C | Not Reported | Not Reported | 2 | Exposure Factor Datasets | fed | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 28.3 | kg | Male | Adult | 79 | Amchitka Island | Exposure Factor Datasets | 7.98 SD |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | daily home range, estimated from hourly trangulations during 24-hr watches using the minimum convex polygon method | ha | Female | Adult | 16 animals | Monterey to San Luis Obispo | Exposure Factor Datasets |
California Sea Lion (Zalophus californianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 5.96 | daily milk intake as % of pup body weight | %/d | Male | Pup | 5 | San Nicolas Island | Exposure Factor Datasets | 1-2 mo | 0.405 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 609 | daily milk intake | g/d | Female | Pup | 19 | San Nicolas Island [lat., 33^oW; long., 119^oW] | Exposure Factor Datasets | 1-2 mo | 24.0 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | 0.132 | pre-el Nino; 0-2 months | kg/d | Not Reported | Pup | 32 | San Nicolas Island | Exposure Factor Datasets | 0-2 months | 0.007 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | see citation | figure of % occurrence of prey items in scats | % | Female | Adult | 73 - 283 | San Miguel and San Clemente Islands | Exposure Factor Datasets |
California Ground Squirrel (Spermophilus beecheyi)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 8.9 | weight at birth | g | Not Reported | Juvenile | 6 litters (42 animals) | Exposure Factor Datasets | 0 d | Laboratory |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | range of means for 2 yrs | #/ha | Both Male and Female | Adult | Not Reported | Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] | Exposure Factor Datasets | Alameda |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 5-6 | wks | Not Reported | Juvenile | Not Reported | University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] | Exposure Factor Datasets | Santa Cruz |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Home Range | 0.59 | above ground area occupied for at least one mo | acres | Female | Adult | 51 | Calaveras Reservoir | Exposure Factor Datasets | Alameda, Santa Clara |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 512.4 | g | Male | Not Reported | 397 | Hastings Natural History Reservation | Exposure Factor Datasets | Monterey |
Merriam's Kangaroo Rat (Dipodomys merriami)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 41.1 | g | Female | Adult | Not Reported | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | non-breeding | 0.1 |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 33.9 | g | Not Reported | Not Reported | 4-9 per mo/15 mo | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | Exposure Factor Datasets | San Bernardino | 2.2 SD |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.2 | embryos/ female | Female | Adult | 24 | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | San Bernardino |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | 0.373 | acres | 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 | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | see citation | figure of changes in weight over time | g | Not Reported | Juvenile | 4 litters | adults captured at Alpine Butte, Los Angeles County, CA | Exposure Factor Datasets | 0 - 140 d | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 1 | yr | Male | 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 | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | see citation | figure of body weight at ages 0 - 162 d | g | Both Male and Female | Both Adults and Juveniles | 34 | captured at Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | 0 - 162 d | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 3.76 | resting metabolism at 5 degrees C, without a natural nest | cc O2/g/h | Not Reported | Not Reported | 6 individuals | Exposure Factor Datasets | 0.11 SE | Laboratory |
San Joaquin Kangaroo Rat (Dipodomys nitratoides)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | range of monthly densities at various sites | #/ha | Not Reported | Not Reported | 3,690 trap nights | Naval Air Station, Lenmoore | Exposure Factor Datasets |
Stephens' Kangaroo Rat (Dipodomys stephensi)
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 monthly live trapping capture data at 2 sites | m | Male | Adult | 97 - 121 | 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 Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | range of densities estimated over 2 yrs | #/ha | Not Reported | Not Reported | 320 - 640 trap nights | San Jacinto Wildlife Refuge | Exposure Factor Datasets | Feb. - Mar. | Riverside |
Little Pocket Mouse (Perognathus longimembris)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | Grasses: Oryzopsis hymenoides (27.7%); Hilaria rigida (6.6%); Bromus rubens (8.5%); Annual forbs: Plantago insularis (12.3%); Phacelia spp. (4.5%); Perrenial shrubs: Ephedra funera (9.8%); Sphaeralcea ambigua (11.3%); Dalea fremontii (7.3%); Vegetative plant parts: Phacelia spp. (3.5%); Misc. (4.5%) | % volume in cheek pouches of major (>2%) food items | Not Reported | Not Reported | 27 | Las Vegas Valley, Clark County (elev., 2500 ft) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | amount of seed consumed at 6.5 degrees C | mg/g bw/d | Not Reported | Not Reported | 10 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 (7.6); Coleoptera larvae (0.2); Grasshoppers (5.1); Leaf hoppers (2.1); Lepidoptera adults (0.2); Lepidoptera larvae (0.5); Spiders (2.5); PLANT MATTER: Seeds (65.7); Total forbs (6.3) - Kochia scoparia (3.2); Total grasses and sedges (1.3); Total shrubs (0.6). | estimated percent volume, by ranking method, of total matter in stomach contents | % | Both Male and Female | Both Adults and Juveniles | 134 | Pawnee National Grassland | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Food Ingestion Rate | range of weighted means of dry weights of stomach contents | mg | Female | Adult | 6-153 | Ward and McClean Counties | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 22.8 | median age at maturity for males is time of weaning. | d | Male | 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 | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 4.67 | average resting 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 | 0.12 SE |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | range of means for 3 trapping periods | #/acre | Both Male and Female | Both Adults and Juveniles | 3 trapping periods | Lake Tahoe, near Myers (elev., 6225 ft) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | seeds (6-49%); fruit (0-24%); arthropods (27-80%); leaves (0-20%); fungi (0-5%); misc. (0-18%) | volumetric % of stomach contents, range of monthly means for 2 yrs. and 2 habitat types | % | Not Reported | Not Reported | 48-59 | western slope of Sierra Nevada (elev., 3500 - 5000 ft.) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | 21.4 | g | Both Male and Female | Both Adults and Juveniles | 74 | Portal, Cochise County (elev. 1330m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Home Range | 0.02 | ha | Female | Adult | 9 | eastern slope, Colorado Rocky Mountains (elev., 3120 m) | Exposure Factor Datasets | 0.55 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 2.75 | basal metabolic rate | mlO2/g/hr | Not Reported | Adult | 10 | Exposure Factor Datasets | 0.33 SE | Laboratory |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of means from 3 sites | g | Both Male and Female | Neonate | 17-29 | 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 |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 20.9 | g | Both Male and Female | Adult | 55 | Anytown (elev., 400 m) | Exposure Factor Datasets | Yolo | 1.6 SE |
Salt-marsh Harvest Mouse (Reithrodontomys raviventris)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.72 | young/litter | Female | Adult | Not Reported | San Francisco Bay marshes | Exposure Factor Datasets |