Mammals
Coyote (Canis latrans)
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 |
Clutch or Litter Size | 4.45 | #/litter | Female | Adult | Not Reported | National Elk Refuge, Jackson Hole | Exposure Factor Datasets | 0.33 SD |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 2724 | g | Both Male and Female | Juvenile | 6 | Exposure Factor Datasets | 56d | Laboratory | |
Growth Rate | 0.31 | kg/wk | Both Male and Female | Juvenile | 6 | Exposure Factor Datasets | 0 - 8 wks | 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 |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Home Range | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 10 | kg | Both Male and Female | Not Reported | 18 | captured in Maricopa County, AZ | Exposure Factor Datasets | 0.04 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 1.0 | minimum area home range | km2 | Both Male and Female | Juvenile | 4 | Wichita Mountains National Wildlife Refuge | Exposure Factor Datasets | "pups" | 0.7 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 9.7 | mean den area; land area around a den or rendezvous used by group | km2 | Male | Adult | 12 | Missouri River Breaks | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of means for two yearling age groups | kg | Male | Juvenile | 19-35 | Webb County [lat., 27^o20'-28^o00N; long., 99^o00'-99^o40'W] | Exposure Factor Datasets | 1.5 - 2.0 yrs |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | rodent (24.4%); deer (9.2%); other stock (7.6%); rabbit (26.4%); misc. (10.3%); sheep (5.3%); bird (8.2%); vegetation (8.6%) | overall % volume of stomach contents | % | Not Reported | Not Reported | 297 | southern region | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Migration or Dispersal | Oct. - Nov. | Both Male and Female | Juvenile | Not Reported | Aitkin and Itasca counties | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | wks | Both Male and Female | Juvenile | 4 | Exposure Factor Datasets | Laboratory |
Kit Fox (Vulpes macrotis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | 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 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 9.8 | home range as calculated with the grid-cell method | km2 | Female | Adult | 3 foxes | 7.5 km NW Tonopah | Exposure Factor Datasets | 0.1.4 SE |
Long-tailed Weasel (Mustela frenata)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 18 | % body weight consumed/d | Both Male and Female | Adult | 7 | captured at Delta, Manitoba, Canada | Exposure Factor Datasets | Laboratory | |
Body Weight - Mean | 107.6 | g | Male | Juvenile | 7 | captured at Delta, Manitoba, Canada | Exposure Factor Datasets | 5 wks | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
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 | |
Home Range | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 297 | g | Male | Adult | Not Reported | captured in White Pine County, NV | Exposure Factor Datasets | 36 SD | Laboratory |
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 | Error |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 44.0 | g | Male | Adult | 443 | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | 0.3 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 25.0 | median lifetime distance moved from home range center (from first to last capture) | m | Female | Adult | 25 | Portal | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | 16.2 | #/ha | Not Reported | Not Reported | Not Reported | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | San Bernardino |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | 0.466 | acres | Male | Adult | Not Reported | Santa Rita Experimental Range, Tucson (elev., 3000-4000 ft) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | see citation | figure of changes in weight over time | g | Not Reported | Juvenile | 4 litters | adults captured at Alpine Butte, Los Angeles County, CA | Exposure Factor Datasets | 0 - 140 d | Laboratory |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Jan. - June | Both Male and Female | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | d | Both Male and Female | Juvenile | 34 | captured at Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | Laboratory |
Merriam's Kangaroo Rat (Dipodomys merriami), Little Pocket Mouse (Perognathus longimembris)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Molt | July and August | Not Reported | Not Reported | Not Reported | Owens Valley | Exposure Factor Datasets | Inyo |
San Joaquin Kangaroo Rat (Dipodomys nitratoides)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 84 | earliest age of conception | d | Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Stephens' Kangaroo Rat (Dipodomys stephensi)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | 36.1 | average density over 19 mo study | #/ha | Both Male and Female | Not Reported | 125 | Lake Mathews [lat., 33^o50'N; long., 117^o27'30"W] | Exposure Factor Datasets | Riverside |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.67 | young/litter | Female | Adult | 6 | Motte Rimrock Reserve and San Jacinto Wildlife Area | Exposure Factor Datasets | Riverside |
Little Pocket Mouse (Perognathus longimembris)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 0.33 | annual composite home range estimated by principal component method (95% probability) | ha | Not Reported | Not Reported | 394 recapture loci | Warm Springs Valley, Washoe County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | seed consumption measured in field enclosures | mg/g bw/d | Both Male and Female | Not Reported | 6 individuals | Owens Valley | Exposure Factor Datasets | Inyo |
Deer Mouse (Peromyscus maniculatus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | ANIMAL MATTER: Coleoptera adults (10.8); Coleoptera larvae (1.4); Grasshoppers (5.7); Leaf hoppers (3.4); Lepidoptera adults (4.4); Lepidoptera larvae (1.3); Spiders (2.5); PLANT MATTER: Seeds (40.3); Total forbs (10.4) - Kochia scoparia (6.7); Total grasses and sedges (3.5); Total shrubs (1.1). | estimated percent volume, by ranking method, of total matter in stomach contents | % | Both Male and Female | Both Adults and Juveniles | 92 | Pawnee National Grassland | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 1032 | maintenance (485 cal/g/d) + production (547 cal/g/d) metabolic rate | cal/g/day | Female | Adult | 1 | Exposure Factor Datasets | Lactating | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 22.8 | calculated median age at weaning for wild populations. | d | Both Male and Female | Juvenile | Not Reported | Pinawa, Manitoba | Exposure Factor Datasets | Weaning | CANADA | 6.8 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 4.26 | average daily metabolic rate estimated by oxygen consumption at 14.45C | ml O2/g/hr | Male | Adult | 4 | animals placed in cages in forest near Lethbridge, Alberta | Exposure Factor Datasets | CANADA | 0.3 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 5.27 | mean litter size based upon number of visible embryos | #/litter | Female | Adult | 77 | Gunnison County and Saquache County, (elev., 8500 - 9300 ft.) | Exposure Factor Datasets | 0.13 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | seeds (34-53%); fruits (0-22%); arthropods (26-36%); leaves (7-12%); fungi (0-7%); misc. (3-10%) | volumetric % of stomach contents, range of means for 2 yrs. and 2 habitat types | % | Not Reported | Not Reported | 778 | western slope of Sierra Nevada (elev., 3500 - 5000 ft.) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Home Range | 1.03 | acres | Male | Adult | 5 | Consolidation Coal Company test pit, Roundup | Exposure Factor Datasets | breeding |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | range of mean litter sizes for 2 yrs; based on embryo counts | #/litter | Female | Adult | 7 - 8 litters | San Juan Mountains (elev., 3200 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Home Range | 371.7 | m2 | Male | Not Reported | 17 | sagebrush habitat, Malheur National Wildlife Refuge | Exposure Factor Datasets | 126.7 - 571.8 (2-sigma) |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | ARTHROPODS (78-95%); SEEDS, Halogeton (0-58%), Shadscale (0-27%); grass (0-19%); prickly pear (0-34%), Tansy mustard (0-8%); LEAVES, Halogeton (2-39%), Shadscale (3-14%); grass (17-34%), Tansy mustard (0-11%), peppergrass (0-5%); Russian thistle (0-12%); MISC., mammalian hair (3-13%), prickly pear stems (0-9%) | range of % frequency of food items in stomachs over 3 mo. | % | Not Reported | Not Reported | 405 | Raft River Valley; Cassia County | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus), Deer Mouse (Peromyscus maniculatus ssp. bairdii), Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | see citation | figure of body weight vs age for 7 subspecies of Peromyscus | Both Male and Female | Both Adults and Juveniles | 61 | Exposure Factor Datasets | 15 - 186 d | Laboratory |
Salt-marsh Harvest Mouse (Reithrodontomys raviventris)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | June - Sept. | time when reproductively active | Both Male and Female | Adult | 65 | New Chicago Marsh, San Francisco Bay National Wildlife Refuge | Exposure Factor Datasets |
California Vole (Microtus californicus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Growth Rate | see citation | figure of body weight at ages 20 - 180 d | g/d | Both Male and Female | Both Adults and Juveniles | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Population Density | range of low and high density yrs | Both Male and Female | Not Reported | Not Reported | Richmond Field Station | Exposure Factor Datasets | Contra Costa |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.4 | mean; early growing season | pups/litter | Female | Adult | 9 | Richmond Field Station | Exposure Factor Datasets | Contra Costa | 0.9 (95%CI) |
Body Weight - Mean | >35 | g | Female | Adult | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | Contra Costa |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of means measured in voles in enclosures in different seasons | g | Male | Adult | 5-35/sample | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | 3.5 | change in body weight | g/wk | Male | Juvenile | 42 | captured in Contra Costa County, CA | Exposure Factor Datasets | 0.2 SE | Laboratory |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Body Weight - Mean | g | Male | Not Reported | Not Reported | San Francisco Bay, San Rafael | Exposure Factor Datasets | Marin |
Audubon's Cottontail (Sylvilagus audubonii)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Home Range | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 25.5 | g | Both Male and Female | Juvenile | 5 | Golden Gate Park, San Francisco | Exposure Factor Datasets | 3 d |
Desert Kit Fox (Vulpes macrotis ssp. arsipus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Home Range | 200 | denning range (area enclosing occupied den sites) | ha | Both Male and Female | Adult | 16 foxes | Rand Open Area and Desert Tortoise Research Natural Area | Exposure Factor Datasets | Kern |
San Joaquin Kit Fox (Vulpes macrotis ssp. mutica)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Home Range | approximate range of individual foxes | mi2 | Both Male and Female | Adult | 12 foxes | Buena Vista Valley | Exposure Factor Datasets | Kern |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | early February | Female | Adult | Not Reported | Elk Hills Naval and Buena Vista Petroleum Reserves | Exposure Factor Datasets | Kern |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 79.8 | mean annual mortality rate over 13 years | % | Not Reported | Juvenile | 177 foxes | Naval Petroleum Reserves in California | Exposure Factor Datasets | Kern | 4.5 SE |
Kit Fox (Vulpes macrotis ssp. nevadensis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | 3.6 | pairs/square mile | Both Male and Female | Adult | 9 individuals | Tooele County, west. UT, elev. 4300-4800 ft | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. austerus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | see citation | figure of percent survival of juveniles and sub-adults | % | Both Male and Female | Juvenile | Not Reported | Douglas fir forest, Vancouver | Exposure Factor Datasets | CANADA |
Deer Mouse (Peromyscus maniculatus ssp. bairdii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.592 | calculated for free-living animals | kcal/g/d | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 5.0 | "not high" temperature group | #/litter | Both Male and Female | Neonate | 150 | captured pregnant mice in spring at Ann Arbor, MI | Exposure Factor Datasets | 0 d | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | lepidopterous larvae (15.4%); misc. vegetation (14.7%); wheat seeds (11.8%); soybeans (10.5%); unidentified seeds (7.2%); corn (5.6%); green vegetation (5.1%); coleoptera (3.6%); Lespedeza seeds (2.3%) | % volume of major (>2%) food items in stomach contents | % | Not Reported | Not Reported | 444 | Vigo County | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. borealis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Condition | Countries | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 20.34 | g | Female | Adult | 40 | captured at Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | Non-breeding | 0.42 SE | Laboratory | |||
Survival/ Mortality | 80 | average summer survival per 14 d | % | Both Male and Female | Adult | 877 | Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | "overwintered adults" | CANADA |
Deer Mouse (Peromyscus maniculatus ssp. borealis), Deer Mouse (Peromyscus maniculatus ssp. maniculatus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries |
---|---|---|---|---|---|---|---|---|---|
Growth Rate | see citation | figures of weight versus age (20-90d) | Male | Both Adults and Juveniles | 90 - 363 | Heart Lake Biological Station, Northwest Territories and Pinawa, Manitoba | Exposure Factor Datasets | 20 - 90 d | CANADA |
Deer Mouse (Peromyscus maniculatus ssp. gambelii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 0.17 | mean dry stomach content mass | g | Male | Juvenile | 23 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.03 SE |
Deer Mouse (Peromyscus maniculatus ssp. labecula)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 8.9 | g | Both Male and Female | Juvenile | 93 | Exposure Factor Datasets | 14 d | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nebrascensis)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Growth Rate | range of mean growth estimated at ages 0,3,6,9,12,15 d | g/d | Not Reported | Juvenile | 160 - 257/time | Exposure Factor Datasets | 0 - 15 d | 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 (45.9 +/- 7.15% SE), Lepidopteran larvae (1.5 +/- 0.63% SE), Lepidopteran adults (6.7 +/- 2.94% SE), Fruit (1.1 +/- 0.73% SE), Green vegetation (17.5 +/- 3.76% SE), Fungi (1.0 +/- 1.01% SE), Nuts/Seeds (23.1 +/- 9.68% SE), Unknown (3.0 +/- 1.96% SE) | Mean percentage frequency of occurrence of each item in stomach contents | Not Reported | Both Adults and Juveniles | 10 | 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 |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | range of means for 5 groups | ml O2 /g/hr | Not Reported | Adult | 11/group | Mice trapped near Palmdale, Los Angeles County, CA | Exposure Factor Datasets | Laboratory |
Audubon's Cottontail (Sylvilagus audubonii ssp. arizonae)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | 725 | g | Male | Adult | 87 | southern portion of state | Exposure Factor Datasets |
Audubon's Cottontail (Sylvilagus audubonii ssp. audubonii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Jan. - Dec. | time of breeding | Both Male and Female | Adult | Not Reported | Sacramento Valley, Durham | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani ssp. ubericolor)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 661.86 | g | Male | Adult | 23 | E.E. Wilson Game Management Area, Corvallis | Exposure Factor Datasets | 62.68 SD |
Ornate Shrew (Sorex ornatus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | range of mean monthly weights | g | Female | Adult | 1-15/mo | San Francisco Bay region | Exposure Factor Datasets |
Pallid Bat (Antrozous pallidus)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutch or Litter Size | Review | Both Male and Female | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 21.7 | g | Male | Adult | 135 | Exposure Factor Datasets | Napa | 0.2 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Inhalation Rate | 0-52 | respiration rate in dormant bats at 40 deg F | respirations/min | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Growth Rate | 25 | increase in body weight over time (to adult weight) | g/2-3 mo | Both Male and Female | Juvenile | 20 bats | Exposure Factor Datasets | Laboratory |