Lizards and snakes (Squamata)
Island Night Lizard (Xantusia riversiana)
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Body Weight - Mean | g | Both Male and Female | Neonate | Not Reported | San Clemente Island | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Home Range | 17.2 | m2 | Both Male and Female | Adult | 6 | Santa Barbara Island | Exposure Factor Datasets |
| Population Density | #/ha | Not Reported | Not Reported | Not Reported | Santa Barbara Island | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | determined by embryo count | young/female | Female | Adult | 4 | San Nicolas Island | Exposure Factor Datasets |
| Clutch or Litter Size | determined by embryo count | young/female | Female | Adult | 5 | San Clemente Island | Exposure Factor Datasets |
Western Skink (Eumeces skiltonianus)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | eggs/clutch | Female | Adult | 8 clutches | Exposure Factor Datasets | ||
| Age at Sexual Maturity | 2 | yrs | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Gopher Snake (Pituophis catenifer formerly Pituophis melanoleucus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 460 | median distance traveled between recaptures | ft | Both Male and Female | Adult | 25 | San Joaquin Experimental Range | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | Oct. | Not Reported | Hatchling | Not Reported | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets | ||
| Time of Mating/ Laying | June - July | time of laying | Female | Adult | Not Reported | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets | |
| Duration of Incubation or Gestation | 125 | d | Female | Adult | Not Reported | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | log VO2 = 0.013 + 0.049T | equation for oxygen consumption (logarithm of VO2; ul O2/g-h) as a function of body temperature (15-30C) | ul O2/g/hr | Not Reported | Adult | 11 | captured at Riverside, CA | Exposure Factor Datasets | resting | Laboratory |
| Body Weight - Mean | 655 | g | Not Reported | Adult | 11 | captured at Riverside, CA | Exposure Factor Datasets | Laboratory |
Giant Garter Snake (Thamnophis gigas)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 23.1 | eggs/clutch | Female | Adult | 18 | captured in Fresno and Sacramento counties, CA | Exposure Factor Datasets | Laboratory |
Common Garter Snake (Thamnophis sirtalis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 3.15 | maximal oxygen consumption at 30C | ml O2/hr | Both Male and Female | Juvenile | 245 | gravid adults captured near Lassen, CA | Exposure Factor Datasets | mean age, 31.6 d; range 11-58 d | 0.845 SD | Laboratory |
| Body Weight - Mean | 2.2 | g | Both Male and Female | Juvenile | 245 | Exposure Factor Datasets | mean age, 31.6 d; range 11-58d | 0.350 SD | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | amphibians (41); earthworms (24); birds (1); leeches (1); misc. invertebrates (4); unidentified (13); empty (100) | number of stomach examinations yielding various food types | # | Not Reported | Not Reported | 179 | Vancouver Island | Exposure Factor Datasets | CANADA |
San Joaquin Fence Lizard (Sceloporus occidentalis ssp. biseriatus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | CS = 0.378SVL - 17.04 | regression equation relating clutch size (CS; # eggs/oviduct) to snout-vent length (SVL, mm) of female. | eggs/clutch | Female | Adult | 49 | Puente Hills and San Gabriel River, Whittier | Exposure Factor Datasets | Los Angeles |
| Clutch or Litter Size | eggs/clutch | Female | Adult | 49 | Puente Hills and San Gabriel River, Whittier | Exposure Factor Datasets | Los Angeles | ||
| Clutches or Litters per year | 1-3 | clutches/yr | Female | Adult | 118 | Puente Hills and San Gabriel River, Whittier | Exposure Factor Datasets | Los Angeles |
Northwestern Fence Lizard (Sceloporus occidentalis ssp. occidentalis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Condition |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Home Range | 131.92 | home range reported as minimum area probability (0.95 level); minimum area which will contain a given proportion (95%) of the total observations of the average individual | m2 | Male | 36 animals | Hastings Natural History Reservation, Carmel Valley | Exposure Factor Datasets | 1 yr | Monterey | nonbreeding | |
| Home Range | 76.50 | home range reported as minimum area probability (0.95 level); minimum area which will contain a given proportion (95%) of the total observations of the average individual | m2 | Female | 37 animals | Hastings Natural History Reservation, Carmel Valley | Exposure Factor Datasets | 1 yr | Monterey | nonbreeding | |
| Home Range | 71.40 | home range reported as minimum area probability (0.95 level); minimum area which will contain a given proportion (95%) of the total observations of the average individual | m2 | Male | Adult | 11 animals | Hastings Natural History Reservation, Carmel Valley | Exposure Factor Datasets | 2+ yr | Monterey | breeding |
Desert Sideblotched Lizard (Uta stansburiana ssp. stejnegeri)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 2.5 | based on number of enlarged vitellogenic ovarian follicles (>2 mm) or oviductal eggs during a "dry" year | eggs/clutch | Female | Adult | 8 | Anapra, Dona Ana county | Exposure Factor Datasets | 0.38 |
| Clutch or Litter Size | 3.75 | based on number of enlarged vitellogenic ovarian follicles (>2 mm) or oviductal eggs during a "wet" year | eggs/clutch | Female | Adult | 20 | Anapra, Dona Ana county | Exposure Factor Datasets | 0.25 |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Age at Sexual Maturity | mo | Both Male and Female | Adult | 1907 | Palo Duro Canyon, Armstrong County (elev., 2000-3600 ft); Kermit , Winkler County and Monahans, Ward County (elev., 2800 ft) | Exposure Factor Datasets |
Red-spotted Garter Snake (Thamnophis sirtalis ssp. concinnus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 8.2 | determined by palpation | young/litter | Female | Adult | 18 | Willamette Valley | Exposure Factor Datasets |
Red-sided Garter Snake (Thamnophis sirtalis ssp. parietalis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | see citation | figure of oxygen consumption at 5-27C | ml O2/g/hr | Both Male and Female | Not Reported | 60 | captured at Winnipeg, Manitoba | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Apr. - May | time of breeding | Both Male and Female | Adult | 5/sampling time | Manitoba | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | BW = -211.59 + 5.08SVL | relationship between body weight (BW, g, 50-175g) and snout-vent length (SVL, cm, 55-75cm) for vitellogenic and non-vitellogenic females in 1983 (r2 = 0.899) | g | Female | Adult | 34 | Manitoba | Exposure Factor Datasets | CANADA |
Eastern Garter Snake (Thamnophis sirtalis ssp. sirtalis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 0.059 | resting oxygen consumption at 25C | cm3 O2 STP/hr/g | Male | Adult | 6 | captured in Michigan and Ohio | Exposure Factor Datasets | 0.001 SE | Laboratory | |
| Metabolic Rate | 0.054 | resting oxygen consumption at 25C | cm3 O2 STP/hr/g | Female | Adult | 3 | captured in Michigan and Ohio | Exposure Factor Datasets | non-pregnant | 0.011 SE | Laboratory |
| Body Weight - Mean | 52.5 | g | Female | Adult | 4 | captured in Michigan and Ohio | Exposure Factor Datasets | 1 wk post-partum | 1.8 SE | Laboratory |
San Francisco Garter Snake (Thamnophis sirtalis ssp. tetrataenia)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of means from 6 breedings | g | Not Reported | Neonate | 6 groups of young | Dallas and Ft. Worth Zoos | Exposure Factor Datasets | Laboratory | |
| Clutch or Litter Size | 17 | young/female | Female | Adult | 6 | Dallas and Ft. Worth Zoos | Exposure Factor Datasets | Laboratory | |
| Body Weight - Mean | g | Male | Adult | 5 | Dallas and Ft. Worth Zoos | Exposure Factor Datasets | Laboratory |
Blunt-nosed Leopard Lizard (Gambelia sila formerly Gambelia silus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 9 (occassionally 21) | based on presence of oviductal eggs and breeding color | mo | Female | Adult | Not Reported | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare |
| Age at Sexual Maturity | mo | Male | Adult | Not Reported | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare |
Desert Iguana (Dipsosaurus dorsalis)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Home Range | minimum area versus probability estimate for 3 sites; estimate of area encompassing 95% of total space utilization | m2 | Male | Adult | Not Reported | Coachella Valley | Exposure Factor Datasets | Riverside |
| Home Range | minimum area versus probability estimates for 3 sites; estimate of area encompassing 95% of total space utilization | m2 | Female | Adult | Not Reported | Coachella Valley | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
|---|---|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 73 | annual survivorship | % | Not Reported | Hatchling | 37 marked | Thousand Palms | Exposure Factor Datasets | 0-2 mo | Riverside |
| Survival/ Mortality | 43 | average annual survivorship estimated for 2 yrs | % | Not Reported | 27-65 marked/yr | Thousand Palms | Exposure Factor Datasets | 7-9 mo | Riverside |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 47 | average snout-vent length = 11.2 cm | g | Female | Adult | 4 - 26/sampling time | Thousand Palms | Exposure Factor Datasets | Riverside |
| Metabolic Rate | range of average field metabolic rates (measured using doubly-labeled water) over 3 time periods | ml CO2/g/hr | Not Reported | Adult | 7-11/time period | Thousand Palms | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | log weight = 0.010 SVL + 0.46 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Female | Adult | Not Reported | Palm Desert | Exposure Factor Datasets |
| Body Weight - Mean | log weight = 0.013 SVL + 0.24 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Female | Adult | Not Reported | Palm Desert | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Sept. - Mar. | Not Reported | Adult | Not Reported | Phoenix South Mountain, Maricopa County | Exposure Factor Datasets | ||
| Growth Rate | 2.7 | growth rate based on changes in snout-vent length (48-73 mm) | mm/mo | Not Reported | Juvenile | 22 | Phoenix South Mountain, Maricopa County | Exposure Factor Datasets |
Western Fence Lizard (Sceloporus occidentalis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
|---|---|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Nov.-Mar. | hibernation duration approximates 100 d | Not Reported | Both Adults and Juveniles | >12 | Victorville | Exposure Factor Datasets | ||
| Metabolic Rate | Log OC = 0.044T + 0.64 | regression equation for oxygen consumption (OC in ul O2/g/hr; log base 10) at various temperatures (T, 0 - 15 C) | ul O2/g/hr | Not Reported | Adult | 5-8/temperature | Victorville | Exposure Factor Datasets | hibernating |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 0.300 | resting metabolic rate at 35C, estimated as carbon dioxide production rate | ml CO2/g/hr | Not Reported | Juvenile | 4 | Ecology Research Area, University of California, Los Angeles | Exposure Factor Datasets | 0.052SE | |
| Metabolic Rate | 0.192 | resting metabolic rate at 35C, estimated as carbon dioxide production rate | ml CO2/g/hr | Both Male and Female | Adult | 19 | Ecology Research Area, University of California, Los Angeles | Exposure Factor Datasets | reproductively inactive | 0.017SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | SCW = 0.46(BW)^0.63 | equation relating stomach content fresh weight (SCW; mg) to body weight (BW; g) | mg | Both Male and Female | Not Reported | 920 animals | yellow pine forest (elev., 1500m) and valley grassland (elev., 150m), central Sierra Nevada | Exposure Factor Datasets |
| Food Ingestion Rate | 127 | estimated average stomach content fresh weight in 5 g lizard | mg | Both Male and Female | Not Reported | Not Reported | central Sierra Nevada (elev., 150m and 1500m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
|---|---|---|---|---|---|---|---|
| Home Range | m2 | Male | Adult | 24 | Hopland Field Station (160 km N of San Francisco) | Exposure Factor Datasets | breeding |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | BW = 4.44 - 0.31(SVL) + 0.0062(SVL)^2 | equation relating body weight (BW; g) to snout-vent length (SVL; 20 - 80mm) | g | Male | Both Adults and Juveniles | 101 | Hastings Reservation | Exposure Factor Datasets | Monterey | |
| Body Weight - Mean | BW = 2.72 - 0.21(SVL) + 0.0049(SVL)^2 | equation relating body weight (BW; g) to snout-vent length (SVL; mm) | g | Female | Both Adults and Juveniles | 58 | Hastings Reservation | Exposure Factor Datasets | Monterey | non-breeding |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | range of means of absolute growth rates | g/d | Both Male and Female | Hatchling | Not Reported | Exposure Factor Datasets | 3 d to 3 wks | Laboratory |
Coachella Valley Fringe-toed Lizard (Uma inornata)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Home Range | 146 | average home range estimated using minimum convex polygon method (snout-vent length, 51-69mm) | m2 | Female | Juvenile | 15 | Whitewater Floodplain Reserve, Palm Springs | Exposure Factor Datasets | Riverside | 56 (95CI) |
| Home Range | 45 | average home range estimated using minimum convex polygon method (snout-vent length,0-50mm) | m2 | Female | Hatchling | 11 | Whitewater Floodplain Reserve, Palm Springs | Exposure Factor Datasets | Riverside | 11 (95CI) |
Sideblotched Lizard (Uta stansburiana)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 1497 | average and range of home ranges at 2 sites over 6 yrs, estimated using minimum polygon method (mark and recapture technique) | sq. ft. | Female | Adult | 6-14 lizards/yr and site | Exposure Factor Datasets | |
| Body Weight - Mean | range of average weights for snout-vent length size classes of 46-57 mm | g | Male | Adult | 1-24 lizards/size class and date | Exposure Factor Datasets | ||
| Home Range | 0.49 | home range estimated using probability density function (95%) | acre | Male | Adult | Not Reported | Exposure Factor Datasets | |
| Body Weight - Mean | range of average weights for snout-vent length size classes of 42-53 mm | g | Female | Adult | 1-29 lizards/size class and date | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Population Density | 88 | #/ha | Not Reported | Not Reported | Not Reported | Del Puerto Canyon | Exposure Factor Datasets | Stanislaus |
| Population Density | #/ha | Not Reported | Not Reported | Not Reported | Los Banos | Exposure Factor Datasets | Merced |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Apr. - July | time of laying | Female | Adult | 1363 | Rock Valley, Nye county | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Home Range | 446 | home range estimted by convex polygon method (maximum was 810m2) | m2 | Male | Adult | 15 | Phoenix South Mountain, Maricopa county | Exposure Factor Datasets |
| Home Range | 121 | home range estimted by convex polygon method (maximum was 202 m2) | m2 | Female | Adult | 15 | Phoenix South Mountain, Maricopa county | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutches or Litters per year | clutches/yr | Female | Adult | Not Reported | El Paso, TX; Casa Grande, Phoenix South Mountain, AZ | Exposure Factor Datasets | |
| Clutch or Litter Size | range of mean clutch sizes | eggs/clutch | Female | Adult | 14-74 animals/site and time period | Hart Mountain, OR; Stansbury Island and Grantsville, UT [lat., 40-42] | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 0.35 | average egg weight | g | Not Reported | Embryo | 35 | Los Banos Creek, Billy Wright Road | Exposure Factor Datasets | Merced |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Longevity | 58 | oldest individual observed, female | mo | Both Male and Female | Adult | 3575 | Rock Valley, Nye county | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | range of 3 yearly averages for 4 study sites | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | Rock Valley, Nye County | Exposure Factor Datasets |
Valley Garter Snake (Thamnophis sirtalis ssp. fitchi)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 11.32 | based on embryo count | eggs/litter | Female | Adult | 22 | Exposure Factor Datasets | 0.98 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 9.18 | field metabolic rate | ml CO2/g/d | Both Male and Female | Adult | 72 | Eagle Lake (elev., 1800 m) | Exposure Factor Datasets | Lassen |
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