Lizards and snakes (Squamata)
California Whipsnake (Masticophis lateralis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries |
|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 7.21 | Egg count | Month | Embryo | 19 | Throughout California | Exposure Factor Datasets | USA | ||
| Body length | 825.3 | Snout-vent length | mm | NR | Not Reported | 12 | Throughout California | Exposure Factor Datasets | USA | |
| Time of Mating/ Laying | Spermatogenesis | Month | M | Adult | Throughout California | Exposure Factor Datasets | Not reported | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries |
|---|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Adult Gerrhorontus multicarinatus lizard | Instance of predation | NR | Not Reported | 1 | Carbon Canyon | Exposure Factor Datasets | Orange | USA | |
| Body length | 98.2 | Total length | cm | NR | Not Reported | 1 | Carbon Canyon | Exposure Factor Datasets | Orange | USA |
| Dietary Composition | Subadult Sceloporus orcutti lizard | Instance of predation | NR | Not Reported | 1 | Idyllwild County Park | Exposure Factor Datasets | Riverside | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Countries |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Body length | 750 | Total length | mm | NR | Not Reported | 1 | White Canyon, Mount Diablo State Park | Exposure Factor Datasets | Not reported | Contra Costa | USA |
| Dietary Composition | Adult Lesser Goldfinch Carduelis psaltria | Instance of predation | NR | Not Reported | 1 | White Canyon, Mount Diablo State Park | Exposure Factor Datasets | Not reported | Contra Costa | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Countries |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Body length | 838 | Snout-vent length | mm | F | Adult | 1 | Moraga | Exposure Factor Datasets | Not reported | Alameda | USA |
| Body length | 1150 | Total length | mm | F | Adult | 1 | Moraga | Exposure Factor Datasets | Not reported | Alameda | USA |
| Body Weight - Mean | 129.2 | g | F | Adult | 1 | Moraga | Exposure Factor Datasets | Not reported | Alameda | USA |
Sideblotched Lizard (Uta stansburiana)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Type | Condition | Countries |
|---|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | Review, see Table 4 | B | Exposure Factor Datasets | MEXICO | ||||
| Clutch or Litter Size | Review, see Table 4 | B | Exposure Factor Datasets | MEXICO | ||||
| Population Density | Review, see Table 4 | B | Exposure Factor Datasets | MEXICO | ||||
| Survival/ Mortality | See citation Table 1 | Survivorship from year to year | B | Both Adults and Juveniles | Reserva de Biosfera de Mapim´ı, Durango, Mexico |
Exposure Factor Datasets | MEXICO | |
| Time of Mating/ Laying | See citation Figure 1 | Timing of various reproductive stages | F | Reserva de Biosfera de Mapim´ı, Durango, Mexico |
Exposure Factor Datasets | Sexual mature | MEXICO |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Type | Age-Specific | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | See citation Table 1, Figures 4-5 | Overwinter mortality rate | deaths/100 lizards/day | B | Adult | CA, NV, OR, WA | Exposure Factor Datasets | Adults ≥40 mm | USA |
| Survival/ Mortality | See citation Figure 2 | Overwinter mortality rate by latitude | deaths/100 lizards/day | B | Adult | CA, NV, OR, WA | Exposure Factor Datasets | Adults ≥40 mm | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Arachnids (2.4-22.4%); Orthopterans (0-16.7%); Isopterans (0-17.5%); Coleopterans (8.2-45.7%); Hemipterans (0-47.9%); Homopterans (0-34.8%); Neuropterans (0-1.3%); Lepidopterans (2.8-34.0%); Dipterans (0-9.3%); Hymenopterans (4.3-72.8%) | range of monthly percentages of total volume of food in stomach contents | % | Not Reported | Not Reported | 7-24 lizards/mo | Exposure Factor Datasets | |
| Home Range | 4896 | average and range of home ranges at 2 sites over 6 yrs, estimated using minimum polygon method (mark and recapture technique) | sq. ft. | Male | Adult | 7-26 lizards/site and yr | Exposure Factor Datasets | |
| 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 | |
| Home Range | 0.49 | home range estimated using probability density function (95%) | acre | Male | Adult | Not Reported | Exposure Factor Datasets | |
| Home Range | 0.15 | home range estimated using probability density function (95%) | acre | Female | Adult | Not Reported | Exposure Factor Datasets |
Pine Snake (Pituophis melanoleucus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 836 | Mean weight | g | F | 12 | Baker County |
Exposure Factor Datasets | USA | 371.5 |
| Home Range | See citation | ha | B | 12 | Baker County |
Exposure Factor Datasets | USA | ||
| Body Weight - Mean | 1004.6 | Mean weight | g | M | 12 | Baker County |
Exposure Factor Datasets | USA | 151.4 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 71.7 | Mean by 95% isopleth | ha | B | 17 | Pine Barrens | Exposure Factor Datasets | USA | 10.9 |
| Home Range | 37.5 | Mean by min convex polygon | ha | B | 7 | Pine Barrens | Exposure Factor Datasets | USA | 5 |
| Home Range | 8.7 | Mean core activity | ha | B | 17 | Pine Barrens | Exposure Factor Datasets | USA | 1.3 |
| Home Range | 100 | Mean by 95% isopleth | ha | B | 7 | Pine Barrens | Exposure Factor Datasets | USA | 16.6 |
| Foraging Distance | See citation | Mean distance per day | m | B | 17 | Pine Barrens | Exposure Factor Datasets | USA | |
| Home Range | 70 | Mean by min convex polygon | ha | B | 17 | Pine Barrens | Exposure Factor Datasets | USA | 6.9 |
| Home Range | 18.5 | Mean core activity | ha | B | 7 | Pine Barrens | Exposure Factor Datasets | USA | 2.9 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Foraging Distance | B | 14 | Pine Barrens | Exposure Factor Datasets | USA | |||
| See citation Table 4 | Max distance from den | km | B | 11 | Pine Barrens | Exposure Factor Datasets | USA | |
| Home Range | See citation Table 4 | Min convex polygon & kernel | Sq km | B | 14 | Pine Barrens | Exposure Factor Datasets | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 1300 | Mean weight | g | B | 9 | Arnold Air Force Base | Exposure Factor Datasets | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 79.1 | Mean by min convex polygon (50%) | ha | B | 9 | Arnold Air Force Base | Exposure Factor Datasets | USA | 16.2 |
| Home Range | 7.9 | Mean by fixed kernel, activity range (50%) | ha | B | 9 | Arnold Air Force Base | Exposure Factor Datasets | USA | 2.2 |
| Foraging Distance | See citation | Mean distance per movement event | m/d | B | 9 | Arnold Air Force Base | Exposure Factor Datasets | USA | |
| Home Range | 65 | Mean by min convex polygon (95%) | ha | B | 9 | Arnold Air Force Base | Exposure Factor Datasets | USA | 16.7 |
| Home Range | 59.9 | Mean by fixed kernel, activity range (95%) | ha | B | 9 | Arnold Air Force Base | Exposure Factor Datasets | USA | 13.8 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Hatching Success | See citation | Fate of hatchlings | Hatchling | 120 | Burlington, Cumberland, and Ocean counties |
Exposure Factor Datasets | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Home Range | See citation Table 1 | Kernel, 90% & 50% | ha | B | South Mississippi | Exposure Factor Datasets | USA |
Western Skink (Eumeces skiltonianus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Population Density | 1 | Hand captured | Individuals per 10,000 sq m | B | Not Reported | Exposure Factor Datasets | CANADA | |
| Population Density | 39 | Hand captured/trapped | Individuals per 22,500 sq m | B | Not Reported | Exposure Factor Datasets | CANADA | |
| Population Density | 2 | Hand captured | Individuals per 2,500 sq m | B | Not Reported | Exposure Factor Datasets | CANADA | |
| Population Density | 4 | Hand captured/trapped | Individuals per 60,000 sq m | B | Not Reported | Exposure Factor Datasets | CANADA | |
| Population Density | 3 | Hand captured | Individuals per 90,000 sq m | B | Not Reported | Exposure Factor Datasets | CANADA | |
| Population Density | 27 | Hand captured | Individuals per 22,500 sq m | B | Not Reported | Exposure Factor Datasets | CANADA | |
| Population Density | 25 | Hand captured | Individuals per 70,000 sq m | B | Not Reported | Exposure Factor Datasets | CANADA |
Giant Garter Snake (Thamnophis gigas)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | 177 [124-280 (95% CI)] | Abundance estimates | NR | Not Reported | 88 | Gilsizer Slough: 1,400 ha | Exposure Factor Datasets | Sutter | USA |
| Population Density | 29 [22-53 (95% CI)] | Abundance estimates | NR | Not Reported | 53 | Colousa National Wildlife Reserve: 4,500 ha | Exposure Factor Datasets | Colusa | USA |
| Population Density | 118 [111-132 (95% CI)] | Abundance estimates | NR | Not Reported | 103 | Badger Creek: 240 ha | Exposure Factor Datasets | Sacramento | USA |
| Population Density | 229 [199-276 (95% CI)] | Abundance estimates | NR | Not Reported | 164 | Natomas Basin: 21,600 ha | Exposure Factor Datasets | Sutter | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | See citation Figures 4 & 5 | Body weight relative to SVL | B | Both Adults and Juveniles | 15-Nov | Mendota Wildife Area | Exposure Factor Datasets | Fresno | USA |
Island Night Lizard (Xantusia riversiana)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | Spring-summer adults: 15.3 [4.7 (95% CI)]; spring-summer juveniles: 4.13 [2.23 (95% CI)]; Autumn-winter adults: 16.3 [3.0 (95% CI)]; Autumn-winter juveniles: 1.50 [0.55 (95% CI)] | g | NR | Both Adults and Juveniles | Spring-summer adults: 5; spring-summer juveniles: 4; Autumn-winter adults: 8; Autumn-winter juveniles: 4 | Wilson Cove, San Clemente Island |
Exposure Factor Datasets | Los Angeles | USA |
| Metabolic Rate | Spring-summer adults: 28.7 [7.2 (95% CI)]; spring-summer juveniles: 13.2 [6.8 (95% CI)]; Autumn-winter adults: 30.3 [4.2 (95% CI)]; Autumn-winter juveniles: 4.80 [2.79 (95% CI)] | mL CO2/d | NR | Both Adults and Juveniles | Spring-summer adults: 5; spring-summer juveniles: 4; Autumn-winter adults: 8; Autumn-winter juveniles: 4 | Wilson Cove, San Clemente Island |
Exposure Factor Datasets | Los Angeles | USA |
| Water Ingestion Rate | Spring-summer adults: 0.117 [0.049 (95% CI)]; spring-summer juveniles: 0.074 [0.059 (95% CI)]; Autumn-winter adults: 0.135 [0.032 (95% CI)]; Autumn-winter juveniles: 0.054 [0.036 (95% CI)] | mL/d | NR | Both Adults and Juveniles | Spring-summer adults: 5; spring-summer juveniles: 4; Autumn-winter adults: 8; Autumn-winter juveniles: 4 | Wilson Cove, San Clemente Island |
Exposure Factor Datasets | Los Angeles | USA |
Coachella Valley Fringe-toed Lizard (Uma inornata)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Life Cycle Stage | Location | Type | California Counties | Countries |
|---|---|---|---|---|---|---|---|
| Population Density | See citation | Mean hatchlings/ha | Hatchling | Thousand Palms Preserve | Exposure Factor Datasets | Riverside | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Life Cycle Stage | Location | Type | California Counties | Countries |
|---|---|---|---|---|---|---|---|
| Population Density | See citation | Population growth, r | Not Reported | Thousand Palms Preserve | Exposure Factor Datasets | Riverside | USA |
| Dietary Composition | See citation | Not Reported | Thousand Palms Preserve | Exposure Factor Datasets | Riverside | USA |
Common Garter Snake (Thamnophis sirtalis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | See citation | Mortality | B | Adult | See citation | 50⁰44'N, 97⁰34'W; Narcisse Community Pasture near Chatfield, Manitoba | Exposure Factor Datasets | CANADA |
Gopher Snake (Pituophis catenifer formerly Pituophis melanoleucus)
| Chemical | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| PLUTONIUM (elemental), RADIONUCLIDES | 239 Pu activities: lung, <0.02; liver, 0.03; bone, 0.05 dpm/g | Not Reported | Not Reported | 2 | Energy Research and Development Administration Rocky Flats, Denver | Toxicity Factor Datasets |
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 | 61.20 | 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 | Adult | 10 animals | Hastings Natural History Reservation, Carmel Valley | Exposure Factor Datasets | 2+ yr | Monterey | nonbreeding |
| Home Range | 49.98 | 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 | Juvenile | 87 animals | Hastings Natural History Reservation, Carmel Valley | Exposure Factor Datasets | < 1yr | Monterey | |
| 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 |
| Home Range | 51.26 | 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 | Adult | 28 animals | Hastings Natural History Reservation, Carmel Valley | Exposure Factor Datasets | 2+ yr | Monterey | breeding |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Apr. - June | time of mating, based on observations of copulation and courtship behavior | Both Male and Female | Adult | Not Reported | Hastings Reservation, Carmel Valley (elev., 550m) | Exposure Factor Datasets | Monterey |
Western Fence Lizard (Sceloporus occidentalis)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Nov-Dec. (begin) | Not Reported | Both Adults and Juveniles | Not Reported | Hastings Reservation, Carmel Valley | Exposure Factor Datasets | Monterey |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Longevity | 6 | oldest tagged individual | yr | Not Reported | Adult | 93 | Strawberry Canyon, Berkeley Hills | Exposure Factor Datasets |
| Clutches or Litters per year | 1 | clutches/yr | Female | Adult | 93 | Strawberry Canyon, Berkeley Hills | Exposure Factor Datasets |
| 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 |
| Metabolic Rate | 20 | oxygen consumption measured at 15C | ul O2/g/hr | Not Reported | Adult | 8 | Victorville | Exposure Factor Datasets | hibernating |
| Body Weight - Mean | 13.8 | g | Not Reported | Adult | 8 | Victorville | Exposure Factor Datasets | hibernating |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 13.1 | g | Not Reported | Adult | 65 | Exposure Factor Datasets | Orange, Riverside | ||
| Metabolic Rate | see citation | figure of standard metabolic rate measured as resting oxygen consumption at various temperatures (20-40C) | cc O2/g/hr | Not Reported | Adult | 31 | Exposure Factor Datasets | Orange, Riverside | |
| Metabolic Rate | 0.422 (20C); 0.783 (25C); 1.120 (30C); 1.315 (35C); 1.253 (40C) | "aerobic increment during activity"; mean oxygen consumption during 2 minutes of burst activity at various temperatures (20-40C) | cm3 O2/g/hr | Not Reported | Adult | 5-8 animals/temperature | Exposure Factor Datasets | Orange, Riverside |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 8.2 | eggs/clutch | Female | Adult | Not Reported | Ecology Research Area, University of California, Los Angeles | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 213 | mean measured stomach content fresh weight of lizards averaging 9.6 g | mg | Male | Not Reported | 295 | valley grassland (elev., 150m), central Sierra Nevada | Exposure Factor Datasets | 130SD |
| Food Ingestion Rate | 249 | mean measured stomach content fresh weight of lizard averaging 8.1 g | mg | Female | Not Reported | 194 | valley grassland (elev., 150m), central Sierra Nevada | Exposure Factor Datasets | 180SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 0.24 | oxygen consumption measured in laboratory at 23C on newly caught (1 wk) lizards | cc O2/g/hr | Not Reported | Not Reported | 20 | U.S. International University Campus | Exposure Factor Datasets | San Diego |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Aranea (8%); Coleoptera (12%); Lepidoptera (80%) | estimated percent of total volume of stomach contents | % | Not Reported | Not Reported | 3 | Blodgett Research Forest (elev., 1250-1310m), Challenge (elev., 760-910m) and McCloud Flat, Shasta-Trinity Forest (elev., 1160m) | Exposure Factor Datasets | El Dorado, Siskiyou, Yuba |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 14.4 | g | Not Reported | Adult | 56 | Blackbird Valley (elev., 855-975m) and Foss Valley (elev., 436m) | Exposure Factor Datasets | Napa, Santa Clara | 0.90SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Formicidae (34.8-34.1%); Coleoptera (18.1-26.4%); Isoptera (19.8-17.2%); Hemiptera-Homoptera (5.0-8.1%); Non-formicid Hymenoptera (5.6-6.5%); Diptera (0.5-1.4%); Orthoptera (1.7-2.6%); Odonata (0.0-0.3%); Dermaptera (0.0-1.3%); Insect larvae (2.8-4.8%); Isopoda (0.0-1.4%); Arancae (1.6-2.8%); Land snails (0.0-0.5%); Sceloporus hatchlings (0.0-0.1%) and Unknown (1.4-2.0%) | percentage of total individuals of various prey taxa in stomach contents. | % | Not Reported | Adult | 45-47 animals/site | Blackbird Valley and Foss Valley | Exposure Factor Datasets | Napa, Santa Clara |
| 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 |
San Joaquin Fence Lizard (Sceloporus occidentalis ssp. biseriatus)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 7.23 | eggs/clutch | Female | Adult | 43 | Puente Hills, Whittier (elev., 150 m) | Exposure Factor Datasets | Los Angeles | 3.30SD |
| Clutch or Litter Size | 8.70 | eggs/clutch | Female | Adult | 41 | San Gabriel Mountains, Crystal Lake (elev., 1584 m) | Exposure Factor Datasets | Los Angeles | 2.0 SD |
| Time of Torpor or Hibernation | Nov.-Feb. | Not Reported | Adult | Not Reported | Puente Hills, Whittier (elev., 150 m) | Exposure Factor Datasets | Los Angeles |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | insecta (97%); arachnida (0.8%); plants (0.3%); unidentified (1.6%) | % of total food dry weight, based on stomach contents | % | Not Reported | Both Adults and Juveniles | 18 | southern Washoe County (elev., 1150-1450m) | Exposure Factor Datasets |
| 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 | |
| Time of Mating/ Laying | Apr. - July | time of mating and laying | Female | Adult | 118 | Puente Hills and San Gabriel River, Whittier | Exposure Factor Datasets | Los Angeles | |
| Time of Hatching or Parturition | July - Oct. | based on presence of hatchlings at study sites | Not Reported | Hatchling | Not Reported | Puente Hills and San Gabriel River, Whittier | Exposure Factor Datasets | Los Angeles | |
| Duration of Incubation or Gestation | 13 | wks | Not Reported | Embryo | Not Reported | Puente Hills and San Gabriel River, Whittier | Exposure Factor Datasets | Los Angeles | |
| Age at Sexual Maturity | 1-2 | yrs | Female | Adult | Not Reported | Puente Hills and San Gabriel River, Whittier | Exposure Factor Datasets | Los Angeles |
