Rodents (Rodentia)
Merriam's Kangaroo Rat (Dipodomys merriami)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | range of monthly density estimates over 2 yrs | #/ha | Not Reported | Not Reported | Not Reported | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | |
| Home Range | 155 | cumulative home range diameter for 6-8 mo period | m | Both Male and Female | Not Reported | 34 | Indian Cove, Joshua Tree National Monument | 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 | 3.04 | g | Both Male and Female | Neonate | 9 litters | captured at Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | at birth | Laboratory | |
| Growth Rate | range in male and female % change in body weight per day following recapture during 4 trapping periods | %/d | Both Male and Female | Adult | Not Reported | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | "subadult" |
| 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 | |
| Metabolic Rate | 3.24 | resting metabolism at 5 degrees C, in a natural nest | cc O2/g/h | Not Reported | Not Reported | 6 individuals | Exposure Factor Datasets | 0.12 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 44.1 | mean distance moved from site of initial capture | m | Male | Not Reported | 443 | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets |
| Home Range | 53.8 | mean distance moved from site of initial capture | m | Female | Not Reported | 339 | 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 | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 2.00 | field metabolic rate estimated from doubly labeled water | L CO2/d | 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 | 0.45 SD |
| Population Density | 17.5 | #/ha | Not Reported | Not Reported | 5 | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | Exposure Factor Datasets | San Bernardino | 1.6 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | seeds (75%); leaves (20%); flowers (3%); stems (1%); arthropods (1%) | % by weight of stomach contents | % | Not Reported | Not Reported | 172 | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | San Bernardino |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Body Fat (total or %) | see citation | figure of seasonal changes in % body fat | % | Both Male and Female | 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 |
|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | Jan. - Mar. (begin); Apr. - May (peak); Aug. (end) | Female | Adult | Not Reported | San Simon Valley, Portal (elev., 1370 m) | Exposure Factor Datasets | |
| Population Density | 11.47 | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | San Simon Valley, Portal (elev., 1370 m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | d | Not Reported | Juvenile | 4 litters | adults captured at Alpine Butte, Los Angeles County, CA | Exposure Factor Datasets | 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 |
| Home Range | range of median maximum distance moved based on monthly live trapping capture data at 2 sites | m | Female | Juvenile | 21-54 | 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 |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 67.26 | g | Both Male and Female | Adult | 14 | Bonsall and San Luis Rey | Exposure Factor Datasets | San Diego |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 62.2 | g | Not Reported | Not Reported | 40 | Exposure Factor Datasets | 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 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | OC = 12.68 - 0.286T | equation for average maintenance metabolism estimated as oxygen consumption (OC) at ambient temperatures (T; <30C). | ml O2/g/hr | Not Reported | Not Reported | 27 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 7.4 | g | Both Male and Female | Adult | 8 | Great Basin Desert, near Reno | Exposure Factor Datasets | 1.1 SD |
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 |
| Dietary Composition | ANIMAL MATTER: Coleoptera adults (4.8); Coleoptera larvae (0.1); Grasshoppers (2.5); Leaf hoppers (7.0); Lepidoptera adults (0.5); Lepidoptera larvae (1.3); Spiders (0.3); PLANT MATTER: Seeds (65.4); Total forbs (4.3) - Kochia scoparia (0.6); Total grasses and sedges (4.8); Total shrubs (2.6). | estimated percent volume, by ranking method, of total matter in stomach contents | % | Both Male and Female | Both Adults and Juveniles | 97 | Pawnee National Grassland | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
|---|---|---|---|---|---|---|---|---|
| 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 | |
| Food Ingestion Rate | Range of weighted means of dry weights of stomach contents; | mg | Female | Adult | 33-116 | Ward and McLean Counties | Exposure Factor Datasets | Gravid or lactating |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||
| Clutch or Litter Size | 4.70 | #/litter | Female | Adult | 10 | Pinawa, Manitoba | Exposure Factor Datasets | primiparous | CANADA | 0.54 SE |
| 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 |
| Metabolic Rate | 3.21 | average resting metabolic rate estimated as 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 | 0.10 SE |
| Exposure Endpoint Type | Endpoint Value | 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 | |
| Time of Mating/ Laying | Apr. - Dec. | Both Male and Female | Adult | Not Reported | Bass Lake (elev., 4500 ft.) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | seeds (0-80%); fruit (0-30%); arthropods (0-80%); leaves (7-32%); fungi (0%); misc. (0-19%) | volumetric % of stomach contents, range of monthly means for 2 yrs. and 2 habitat types | % | Not Reported | Not Reported | 53-66 | western slope of Sierra Nevada (elev., 3500 - 5000 ft.) | Exposure Factor Datasets |
| 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 | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 0.02 | area of subniven runway systems | ha | Male | Adult | 5 | eastern slope, Colorado Rocky Mountains (elev., 3120 m) | Exposure Factor Datasets | 1.02 SE |
| Home Range | 0.01 | area of subniven runway systems | ha | Female | Adult | 5 | eastern slope, Colorado Rocky Mountains (elev., 3120 m) | Exposure Factor Datasets | 0.36 SE |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 14.5 | g | Not Reported | Adult | 10 | Exposure Factor Datasets | 0.5 SE | Laboratory | |
| Clutch or Litter Size | 4.3 | pups/litter | Female | Adult | 10 | Exposure Factor Datasets | 0.36 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Home Range | 298.6 | m2 | Female | Not Reported | 18 | greasewood habitat, Malheur National Wildlife Refuge | Exposure Factor Datasets | 179.2 - 640.5 (2-sigma) |
| Home Range | 392.0 | m2 | Female | Not Reported | 8 | sagebrush habitat, Malheur National Wildlife Refuge | Exposure Factor Datasets | 173.2 - 573.3 (2-sigma) |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Longevity | 19 | maximum longevity in field | mo | Both Male and Female | Adult | 74 | Portal, Cochise County (elev. 1330 m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Longevity | 7 | yrs | Male | Adult | 1 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.6 | #/litter | Female | Adult | 6 | Cascade Mountains, Fish Lake [lat., 47^o, 49'N; long., 120^o, 40'W] | Exposure Factor Datasets | 1.37 SD |
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 | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Home Range | 1300 | m2 | Female | Adult | 4 | New Chicago Marsh, San Francisco Bay National Wildlife Refuge | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Home Range | range of average maximum distance between captures for groups recaptured 2-9 times | m | Both Male and Female | Not Reported | Not Reported | San Pablo salt marsh | Exposure Factor Datasets | Contra Costa |
California Vole (Microtus californicus)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 17 | d | Female | Adult | Not Reported | Brooks Island, San Francisco Bay | Exposure Factor Datasets | Contra Costa |
| Age at Sexual Maturity | 25 | d | Male | Adult | Not Reported | Brooks Island, San Francisco Bay | Exposure Factor Datasets | Contra Costa |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | 3 | wks | Both Male and Female | Adult | 24 | Exposure Factor Datasets | subadult | Laboratory | |||
| Clutches or Litters per year | 0.5 | litters per female per 12 wks | litters/12 wks | Female | Adult | 24 | Exposure Factor Datasets | subadult (4 weeks) | 0.2 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 3.6 | mean; dry season | pups/litter | Female | Adult | 5 | Richmond Field Station | Exposure Factor Datasets | Contra Costa | 0.7 (95%CI) | |
| Body Weight - Mean | g | Female | Both Adults and Juveniles | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | subadult | Contra Costa | ||||
| Clutch or Litter Size | 3.0 | mean; early growing season | pups/litter | Female | Adult | 11 | Russell Reservation | Exposure Factor Datasets | Contra Costa | 0.8 (95%CI) | |
| Survival/ Mortality | see citation | figure of seasonal changes in minimum survival rate | %/28d | Both Male and Female | Both Adults and Juveniles | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 897 | ingested energy; fed rabbit pellets for 21 d | cal/g/d | Not Reported | 5 | Exposure Factor Datasets | 28 d or older | 28 SE | Laboratory | |
| Food Ingestion Rate | 1115 | ingested energy; fed bromegrass for 21 d | cal/g/d | Not Reported | 7 | Exposure Factor Datasets | 28 d or older | 35 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | see citation | figure of seasonal changes in weight | g | Male | Adult | Not Reported | Sea Ranch | Exposure Factor Datasets | Sonoma |
| Survival/ Mortality | see citation | figure of proportion surviving/wk | Both Male and Female | Both Adults and Juveniles | Not Reported | Sea Ranch | Exposure Factor Datasets | Sonoma |
| 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 Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | range of minimum # alive in 8 areas at 103 weekly intervals | #/ha | Male | Both Adults and Juveniles | Not Reported | Tilden Regional Park and Richmond Field Station | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. austerus)
| Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Survival/ Mortality | range of mean probabilities of survival on three areas by breeding season and sex | Both Male and Female | Not Reported | Not Reported | University of British Columbia Research Forest | Exposure Factor Datasets | CANADA |
Deer Mouse (Peromyscus maniculatus ssp. bairdii)
| 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 | 4 - 111 | Exposure Factor Datasets | At conception | Laboratory | |
| 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 | Condition | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Water Ingestion Rate | 1.74 | daily water ingestion at ambient temperature of 21C | cc/animal/d | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory | ||
| Water Ingestion Rate | 3.78 | daily water ingestion at ambient temperature of 21C | cc/animal/d | Female | Adult | Not Reported | Exposure Factor Datasets | prior to parturition | Laboratory |
| 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 |
Deer Mouse (Peromyscus maniculatus ssp. borealis)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Condition | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 1.87 | g | Both Male and Female | Neonate | 281 | original pairs trapped at Heart Lake, Northwest Territories | Exposure Factor Datasets | 0 d | 0.01 SE | Laboratory | |
| Body Weight - Mean | 19.2 | g | Female | Adult | 103 | Original pairs trapped at Heart Lake, Northwest Territories | Exposure Factor Datasets | nonbreeding | 0.9 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 24.48 | g | Female | Adult | 37 | captured at Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | lactating | 0.37 SE | Laboratory |
| 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 | 29.0 | g | Female | Adult | 8 | captured in Lethbridge, Alberta | Exposure Factor Datasets | lactating | 1.0 SE | Laboratory |
| 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 | 0.18 | mean dry stomach content mass | g | Male | Adult | 155 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.02 SE |
| Food Ingestion Rate | 0.22 | mean dry stomach content mass | g | Female | Adult | 90 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.02 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | see citation | figure of seasonal changes in density | #/acre | Both Male and Female | Not Reported | Not Reported | Tilden Regional Park, Berkeley (elev. 600-1200 ft) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 3.26 | resting oxygen consumption rate at 25C | cc O2/g/hr | Both Male and Female | Not Reported | 8 | Exposure Factor Datasets | 0.09 SE | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nebrascensis)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 17.4 | g | Both Male and Female | Juvenile | 90 | captured in Nebraska | Exposure Factor Datasets | 63 d | Laboratory | |
| Clutch or Litter Size | 3.7 | pups/litter | Female | Adult | 25 litters | captured in Nebraska | Exposure Factor Datasets | 0.3 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 20.6 | g | Both Male and Female | Adult | 30 | Exposure Factor Datasets | 0.6 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 18.93 | g | Not Reported | Not Reported | 5 | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nubiterrae)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | range of mean yearly densities over 3 yrs | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | Mountain Lake Biological Station, Giles County [lat., 37^010'N; long., 80^o30' W] | Exposure Factor Datasets | |
| Time of Mating/ Laying | Mar. - Nov. (peaks; Apr.-June and Sept.-Oct.) | time of breeding | Both Male and Female | Adult | Not Reported | Mountain Lake Biological Station, Giles County [lat., 37^010'N; long., 80^o30' W] | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | annual mortality rate of post-weaned individuals calculated from age structure data | % | Both Male and Female | Juvenile | White Mountain (elev., 9800-12,400 ft) | Exposure Factor Datasets | Mono | |
| Survival/ Mortality | 88 | annual mortality rate of post-weaned individuals calculated from age structure data | % | Both Male and Female | Juvenile | White Mountain (elev., 4500-7100 ft) | Exposure Factor Datasets | Mono |
San Joaquin Antelope Squirrel (Ammospermophilus nelsoni)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Longevity | maximum observed age | yr | Not Reported | Adult | Not Reported | Panoche (elev., 1200') | Exposure Factor Datasets | San Benito | |
| Time of Hatching or Parturition | Mar. | Not Reported | Neonate | Not Reported | Panoche (elev., 1200') | Exposure Factor Datasets | San Benito |
California Ground Squirrel (Spermophilus beecheyi)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | embryos/female | Female | Adult | Not Reported | Coho creek | Exposure Factor Datasets | Tulare | |
| Time of Mating/ Laying | Feb. - Apr. | Both Male and Female | Adult | Not Reported | Coho creek | Exposure Factor Datasets | Tulare |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Population Density | 7 | #/acre | Both Male and Female | Both Adults and Juveniles | Not Reported | Calaveras Reservoir | Exposure Factor Datasets | Alameda, Santa Clara |
| Clutches or Litters per year | 1 | litters/yr | Female | Adult | Not Reported | Calaveras Reservoir | Exposure Factor Datasets | Alameda, Santa Clara |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 531 | g | Not Reported | Not Reported | 6 | captured at University of California, Riverside | Exposure Factor Datasets | 75 | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | % tagged young surviving to following year to become breeding adults; range over 3 yrs | % | Both Male and Female | Juvenile | 321 - 339/yr | San Joaquin Experimental Range | Exposure Factor Datasets | |
| Home Range | 400 | diameter of "typical" home range | ft | Both Male and Female | Both Adults and Juveniles | Not Reported | San Joaquin Experimental Range | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Longevity | 5 | longest record of lifespan | yrs | Male | Adult | Not Reported | Hastings Natural History Reservation | Exposure Factor Datasets | Monterey |
| Time of Molt | June | molt of juvenile or adult pelage | Both Male and Female | Both Adults and Juveniles | Not Reported | Hastings Natural History Reservation | Exposure Factor Datasets | Monterey |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 599.6 | g | Not Reported | Not Reported | 10 | University of California, Irvine | Exposure Factor Datasets | Orange |
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 |
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