Rodents (Rodentia)
Merriam's Kangaroo Rat (Dipodomys merriami)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Home Range | 0.243 | acres | Both Male and Female | Juvenile | 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 | California Counties | Condition | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||
| Body Weight - Mean | see citation | figure of seasonal changes in weight | g | Both Male and Female | Not Reported | Not Reported | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | San Bernardino | ||
| Food Ingestion Rate | see citation | figure of daily food intake | g/d | Female | Adult | 4-16 | captured in Clark County, NV | Exposure Factor Datasets | non-reproductive, lactating or gestating | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of 4 seasonal means | g | Not Reported | Not Reported | 20-42/season | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | San Bernardino |
| Body Fat (total or %) | range of 4 seasonal means of fat content (% live weight) | % | Not Reported | Not Reported | 20-42/season | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | San Bernardino |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | see citation | figure of logistic growth curve for changes in body weight over time | Both Male and Female | Both Adults and Juveniles | Not Reported | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | 1 - 12 mo | |
| Age at Fledging, Metamorphosis, Weaning | < 1 | mo | Both Male and Female | Juvenile | Not Reported | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | ||
| Clutch or Litter Size | 2 | estimated by palpation | young/litter | Female | Adult | Not Reported | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | range of mean home range in 3 study periods estimated by radiotelemetry | ha | Female | Adult | 7-10 | Boyde Deep Canyon Reserve (elev., 300m) | Exposure Factor Datasets | Riverside | |
| Home Range | range of mean home range in 3 study periods estimated by radiotelemetry | ha | Male | Adult | 8-11 | Boyde Deep Canyon Reserve (elev., 300m) | Exposure Factor Datasets | Riverside | |
| Population Density | 6 | #/ha | Both Male and Female | Adult | Not Reported | Boyde Deep Canyon Reserve (elev., 300m) | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Clutches or Litters per year | litters/yr | Female | Adult | Not Reported | Las Vegas Valley, Clark County (elev., 2500 ft) | Exposure Factor Datasets | ||
| Body Weight - Mean | see citation | figure of seasonal changes in mean body weight | g | Both Male and Female | Adult | 2-96/mo | Las Vegas Valley, Clark County (elev., 2500 ft) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | 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 |
| 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 | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | d | Both Male and Female | Juvenile | Not Reported | San Simon Valley, Portal (elev., 1370 m) | Exposure Factor Datasets | |||
| 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 | |||
| Metabolic Rate | OC = 5.32 - 0.134 T | equation relating oxygen consumption (OC) to temperature (T, 29-35C) | ml O2/g/hr | Both Male and Female | Adult | 6/sampling period; 10 periods | captured at San Simon Valley, AZ from Aug. - July | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 1.2 | average oxygen consumption rate at 31-34C | cc O2/g/hr | Not Reported | Not Reported | 25 | captured at Lovejoy Buttes, Los Angeles County, CA | Exposure Factor Datasets | Laboratory |
| Metabolic Rate | OC = 3.57 + (-0.176)(T - 20.14) | equation relating oxygen consumption (OC) to ambient temperature (T, 9-31C) | cc O2/g/hr | Not Reported | Not Reported | 25 | captured at Lovejoy Buttes, Los Angeles County, CA | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 61.5 | median lifetime distance moved from home range center (from first to last capture) | m | Male | Juvenile | 16 | Portal | Exposure Factor Datasets |
| Home Range | 50.0 | median lifetime distance moved from home range center (from first to last capture) | m | Female | Adult | 16 | Portal | Exposure Factor Datasets |
| Home Range | 7413 | estimated via minimum convex polygon method | m2 | Male | Adult | 5 | Portal | Exposure Factor Datasets |
| Home Range | 2644 | estimated via minimum convex polygon method | m2 | Female | Adult | 4 | Portal | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 36.2 | g | Male | Adult | 162 | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | 3.7 SD |
| Time of Hatching or Parturition | Feb. - June | Female | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | ||
| Duration of Incubation or Gestation | 4 | wk | Female | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | |
| Clutch or Litter Size | 2.46 | pups/itter | Female | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | 0.72 SD |
| Time of Torpor or Hibernation | none | Female | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | ||
| 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 | ||
| Age at Sexual Maturity | 1 | yr | Male | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo |
Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 3.68 | oxygen consumption at 20C | ml O2/g/hr | Not Reported | Not Reported | 9 | captured at White Mountain Research Station or Salton Sea, CA | Exposure Factor Datasets | 0.272 SE | Laboratory |
| Metabolic Rate | 2.68 | oxygen consumption at 32C | ml O2/g/hr | Not Reported | Not Reported | 9 | captured at White Mountain Research Station or Salton Sea, CA | Exposure Factor Datasets | 0.349 SE | Laboratory |
San Joaquin Antelope Squirrel (Ammospermophilus nelsoni)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 154.5 | g | Female | Adult | 3 | Exposure Factor Datasets | |
| Population Density | 1 | #/2 acres | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Home Range | 10.81 | minimum convex polygon estimate, corrected for sample size bias, based on radiotelemetry and mark-release trapping | ha | Both Male and Female | Both Adults and Juveniles | 15 | Elkhorn Plain Ecological Reserve | Exposure Factor Datasets | San Luis Obispo | 12.53 SD |
| Population Density | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | Elkhorn Plain Ecological Reserve | Exposure Factor Datasets | San Luis Obispo |
Salt-marsh Harvest Mouse (Reithrodontomys raviventris)
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Population Density | #/ha | Not Reported | Not Reported | 32 | Collinsville | Exposure Factor Datasets | Solano |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4 | #/litter | Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory | |||
| Duration of Incubation or Gestation | 25 | d | Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory | |||
| Age at Fledging, Metamorphosis, Weaning | 21 | length of weaning period | d | Not Reported | Juvenile | Not Reported | Exposure Factor Datasets | Laboratory | ||
| Population Density | range for 4 habitat types | #/1000 m2 | Not Reported | Not Reported | 3 - 128 animals/type | Palo Alto Baylands | Exposure Factor Datasets | Santa Clara | ||
| Survival/ Mortality | 2/19 | 2 out of 19 juveniles reached adult size | survival ratio | Not Reported | Juvenile | Not Reported | Palo Alto Baylands | Exposure Factor Datasets | Santa Clara |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | 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 | |
| Home Range | 1550 | m2 | Male | Adult | 4 | New Chicago Marsh, San Francisco Bay National Wildlife Refuge | Exposure Factor Datasets | |
| Home Range | 1300 | m2 | Female | Adult | 4 | New Chicago Marsh, San Francisco Bay National Wildlife Refuge | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | 0.70 | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | San Simon Valley, Portal (elev., 1370 m) | Exposure Factor Datasets |
San Joaquin Kangaroo Rat (Dipodomys nitratoides)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 2.3 | pups/litter | Female | Adult | 12 litters | Exposure Factor Datasets | Laboratory | |||
| Age at Fledging, Metamorphosis, Weaning | d | Not Reported | Juvenile | Not Reported | Exposure Factor Datasets | Laboratory | ||||
| Duration of Incubation or Gestation | 32 | d | Female | Adult | 2 | Exposure Factor Datasets | Laboratory | |||
| Body Weight - Mean | see citation | figure of changes in weight over time | g | Not Reported | Juvenile | Not Reported | Exposure Factor Datasets | 0 - 140 d | Laboratory | |
| Age at Sexual Maturity | 84 | earliest age of conception | d | Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Little Pocket Mouse (Perognathus longimembris)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of means of initial weights for 3 experimental groups | g | Not Reported | Not Reported | 9/group | captured at Joshua Tree, San Bernadino County, CA | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Sept. - Mar. or Apr. | Not Reported | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | |||
| Time of Mating/ Laying | Apr. - May | Both Male and Female | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | |||
| Body Weight - Mean | 7.2 | g | Male | Adult | 66 | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | 0.7 SD | |
| Body Weight - Mean | 7.3 | g | Female | Adult | 67 | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | 1.1 SD | |
| Clutch or Litter Size | 4.75 | pups/litter | Female | Adult | 16 | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | 0.77 SD | |
| Body Weight - Mean | 0.5 | g | Not Reported | Neonate | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | at birth | Inyo |
Fresno Kangaroo Rat (Dipodomys nitratoides ssp. exilis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 2.2 | g | Both Male and Female | Neonate | 7 | adults captured near Fresno | Exposure Factor Datasets | at birth | Laboratory | |
| Growth Rate | 2.5 (0d); 5.0 (10d); 9.0 (17d); 16.9 (33d); 19.1 (40d) | body weight at various ages (0-40d) | g | Not Reported | Juvenile | 1 | Exposure Factor Datasets | 0-40d | Laboratory | |
| Clutch or Litter Size | 2 | young/litter | Female | Adult | Not Reported | adults captured near Fresno | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Population Density | range of average population density over 3 yrs | #/ha | Not Reported | Not Reported | 10-18/yr | Elkhorn Plain Ecological Reserve | Exposure Factor Datasets | San Luis Obispo |
| Population Density | range of average population density in 2 habitat types | #/ha | Not Reported | Not Reported | 11-18/habitat type | Pixley National Wildlife Refuge | Exposure Factor Datasets | Tulare |
Stephens' Kangaroo Rat (Dipodomys stephensi)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 67.26 | g | Both Male and Female | Adult | 14 | Bonsall and San Luis Rey | Exposure Factor Datasets | San Diego | |||
| Age at Fledging, Metamorphosis, Weaning | d | Both Male and Female | Juvenile | Not Reported | Exposure Factor Datasets | Laboratory | |||||
| Body Weight - Mean | 4.4 | g | Both Male and Female | Neonate | 16 | Exposure Factor Datasets | 0 d | Laboratory | |||
| Body Weight - Mean | 10 | g | Both Male and Female | Juvenile | 16 | Exposure Factor Datasets | 5 d | Laboratory | |||
| Body Weight - Mean | 20 | g | Both Male and Female | Juvenile | 16 | Exposure Factor Datasets | 15 d | Laboratory | |||
| Body Weight - Mean | 30 | g | Both Male and Female | Juvenile | 16 | Exposure Factor Datasets | 22 d | Laboratory | |||
| Body Weight - Mean | 40 | g | Both Male and Female | Juvenile | 16 | Exposure Factor Datasets | 31 d | Laboratory | |||
| Body Weight - Mean | 46.1 | g | Both Male and Female | Juvenile | 16 | Exposure Factor Datasets | 63 d | Laboratory | |||
| Growth Rate | see citation | figure relating body weight or length to age | g | Both Male and Female | Juvenile | 16 | Exposure Factor Datasets | 0 - 63 d | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | range of minimum rate of survival of individuals in the trappable population per mo, measured over 19 mo at 3 sites | Both Male and Female | Adult | 110-234 | Lake Mathews [lat., 33^o50'N; long., 117^o27'30"W]; Motte Rimrock Reserve [lat., 33^o47'30"N; long., 117^o15'W] and San Jacinto Wildlife Area [lat., 33^o52'N; long., 117^o7'15"W] | Exposure Factor Datasets | Riverside | ||
| Survival/ Mortality | range of minimum rate of survival of individuals in the trappable population per mo, measured over 19 mo at 3 sites | Both Male and Female | Juvenile | 23-49 | Lake Mathews [lat., 33^o50'N; long., 117^o27'30"W]; Motte Rimrock Reserve [lat., 33^o47'30"N; long., 117^o15'W] and San Jacinto Wildlife Area [lat., 33^o52'N; long., 117^o7'15"W] | Exposure Factor Datasets | Riverside | ||
| Population Density | 19.7 | average density over 19 mo study | #/ha | Both Male and Female | Not Reported | 87 | San Jacinto Wildlife Area [lat., 33^o52'N; long., 117^o7'15"W] | Exposure Factor Datasets | Riverside |
| Population Density | 26.2 | average density over 19 mo study | #/ha | Both Male and Female | Not Reported | 96 | Motte Rimrock Reserve [lat., 33^o47'30"N; long., 117^o15'W] | Exposure Factor Datasets | Riverside |
| 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 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 | Female | Adult | 94 | 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 | 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 |
| Home Range | range of median maximum distance moved based on monthly live trapping capture data at 2 sites | m | Male | Juvenile | 17-59 | 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 telemetry at 2 sites; 21 - 91 d observation | m | Female | Adult | 9 | Motte Rock Ecological Reserve [lat., 33^o53'N; long., 117^o6'W] and San Jacinto Wildlife Area [lat., 33^o51'N; long., 116^o54'W] | Exposure Factor Datasets | Riverside |
| Home Range | range of median maximum distance moved based on telemetry at 2 sites; 15 - 127 d of observation | m | Male | Adult | 4-9 | Motte Rock Ecological Reserve [lat., 33^o53'N; long., 117^o6'W] and San Jacinto Wildlife Area [lat., 33^o51'N; long., 116^o54'W] | Exposure Factor Datasets | Riverside |
California Vole (Microtus californicus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
|---|---|---|---|---|---|---|---|---|---|---|
| Population Density | peak density | #/acre | Both Male and Female | Both Adults and Juveniles | Not Reported | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | Contra Costa | ||
| Body Weight - Mean | <25 | g | Both Male and Female | Juvenile | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | Contra Costa | |||
| Body Weight - Mean | >40 | g | Male | Adult | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | Contra Costa | |||
| Body Weight - Mean | >35 | g | Female | Adult | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | Contra Costa | |||
| Body Weight - Mean | g | Male | Both Adults and Juveniles | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | subadult | Contra Costa | |||
| Body Weight - Mean | g | Female | Both Adults and Juveniles | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | subadult | Contra Costa | |||
| 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 | ||
| Body Fat (total or %) | see citation | figure of seasonal changes in body fat content | g/g dry lean wt | Both Male and Female | Both Adults and Juveniles | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | Contra Costa | ||
| 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 | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 3.5 | young/litter | Female | Adult | 12 | Exposure Factor Datasets | subadult (4 wks) | 0.6 SE | Laboratory | ||
| Clutches or Litters per year | 0.3 | litters per female per 12 wks | litters/12 wks | Female | Adult | 12 | Exposure Factor Datasets | subadult (4 wks) | 0.2 SE | Laboratory | |
| Clutch or Litter Size | 3.3 | young/litter | Female | Adult | 12 | Exposure Factor Datasets | 0.4 SE | Laboratory | |||
| Clutches or Litters per year | 1.0 | litters per female per 12 wks | litters/12 wks | Female | Adult | 12 | Exposure Factor Datasets | 0.2 SE | Laboratory | ||
| Clutch or Litter Size | 3.3 | young/litter | Female | Adult | 12 | Exposure Factor Datasets | subadult (4 wks) | 0.7 SE | Laboratory | ||
| Clutches or Litters per year | 0.2 | litters per female per 12 wks | litters/12 wks | Female | Adult | 12 | Exposure Factor Datasets | subadult (4 wks) | 0.1 SE | Laboratory |
