Lizards and snakes (Squamata)
Sideblotched Lizard (Uta stansburiana)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Growth Rate | 4.29 | growth rate estimated by increase in snout-vent length (mm), snout-vent length range 21-35mm | mm/mo | Not Reported | Not Reported | 62 | Phoenix South Mountain, Maricopa county | Exposure Factor Datasets |
| Growth Rate | 2.93 | growth rate estimated by increase in snout-vent length (mm), snout-vent length range 30-40mm | mm/mo | Female | Not Reported | 10 | Phoenix South Mountain, Maricopa county | Exposure Factor Datasets |
| Growth Rate | 5.19 | growth rate estimated by increase in snout-vent length (mm), snout-vent length range 30-40mm | mm/mo | Male | Not Reported | 7 | Phoenix South Mountain, Maricopa county | Exposure Factor Datasets |
| Growth Rate | 0.79 | growth rate estimated by increase in snout-vent length (mm), snout-vent length range 40-50 mm | mm/mo | Female | Not Reported | 30 | Phoenix South Mountain, Maricopa county | Exposure Factor Datasets |
| Growth Rate | 0.94 | growth rate estimated by increase in snout-vent length (mm), snout-vent length range 40-50mm | mm/mo | Male | Not Reported | 10 | Phoenix South Mountain, Maricopa county | Exposure Factor Datasets |
| Growth Rate | 0.31 | growth rate estimated by increase in snout-vent length (mm), snout-vent length range 50-56mm | mm/mo | Female | Not Reported | 2 | Phoenix South Mountain, Maricopa county | Exposure Factor Datasets |
| Growth Rate | 0.58 | growth rate estimated by increase in snout-vent length (mm), snout-vent length range 50-58mm | mm/mo | Male | Not Reported | 22 | Phoenix South Mountain, Maricopa county | Exposure Factor Datasets |
| Time of Hatching or Parturition | May-June | Not Reported | Hatchling | Not Reported | Phoenix South Mountain, Maricopa county | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Spiders (4.70); Solpugids (0.56); Ants (7.87); Other Hymenoptera (0.54); Grasshoppers and Crickets (21.68); Roaches (0.20); Mantids (0.66); Beetles (12.35); Termites (0.10); Homoptera-Hemiptera (2.19); Diptera (2.54); Lepidoptera (1.24); Insect larvae (6.13); Unidentified Insects (6.52); Plant Materials (0.89); Unidentified (2.89) | volume (cc) of prey items in stomach contents | cc | Not Reported | Not Reported | 556 | Mountain Home, ID; Granstville, UT; Lovelock, Gabbs and Beatty, NV [lat., 37-42] | Exposure Factor Datasets |
| Dietary Composition | Spiders (4.1); Solpugids (0.5); Ants (14.7); Other Hymenoptera (2.6); Grasshoppers (19.3); Roaches (3.6); Mantids (1.3); Ant Lions (0.6); Beetles (41.2); Termites (33.8); Homoptera-Hemiptera (1.9); Diptera (0.4); Lepidoptera (1.2); Insect larvae (11.3); Unidentified Insects (9.9); Insect Eggs (0.3); Lizards (0.5); Plant Materials (3.0); Unidentified (9.4) | volume (cc) of prey items in stomach contents | cc | Not Reported | Not Reported | 811 | Pahrump, Searchlight, NV; Mojave, Twentynine Palms, CA; Salome, Phoenix South Mountain, Casa Grande, AZ [lat., 32-36] | Exposure Factor Datasets |
| Clutches or Litters per year | clutches/yr | Female | Adult | Not Reported | Stansbury and Granstville, UT [lat., 40] | Exposure Factor Datasets | ||
| 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 | |
| Clutch or Litter Size | range of mean clutch sizes | eggs/clutch | Female | Adult | 13-44 animals/site and time period | Phoenix South Mountain, Casa Grande, AZ; El Paso, TX [lat., 31-33] | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 284.3 | home range estimated using convex polygon method | m2 | Male | Adult | Not Reported | Carlsbad (elev., 1067m) | Exposure Factor Datasets | 41.5 (95%CI) |
| Home Range | 153.6 | home range estimated using convex polygon method | m2 | Female | Adult | Not Reported | Carlsbad (elev., 1067m) | Exposure Factor Datasets | 24.7 (95%CI) |
Desert Sideblotched Lizard (Uta stansburiana ssp. stejnegeri)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | July - Sept. | Not Reported | Hatchling | Not Reported | El Paso Mountains [lat., 35^o30'; long., 117^o40'] | Exposure Factor Datasets | Kern |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 50.2 | #/ha | Both Male and Female | Both Adults and Juveniles | 45 marked lizards | Dona Ana county [lat., 31^o47'10" N; long., 106^o35'05"W], (elev., 1250m) | Exposure Factor Datasets | |
| Home Range | 0.254 | average home range estimated from recapture radii (mean plus 2s) for individuals with 5+ recaptures | acres | Male | Not Reported | 9 | Dona Ana county [lat., 31^o47'10" N; long., 106^o35'05"W], (elev., 1250m) | Exposure Factor Datasets |
| Growth Rate | 0.034 | increase in snout-vent length, initial snout-vent length range, 48-53 mm | mm/d | Female | Not Reported | 10 | Dona Ana county [lat., 31^o47'10" N; long., 106^o35'05"W], (elev., 1250m) | Exposure Factor Datasets |
| Growth Rate | 0.028 | increase in snout-vent length, initial snout-vent length range, 41-46 mm | mm/d | Male | Not Reported | 10 | Dona Ana county [lat., 31^o47'10" N; long., 106^o35'05"W], (elev., 1250m) | Exposure Factor Datasets |
| 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 |
Desert Iguana (Dipsosaurus dorsalis)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Population Density | range over 3 yrs at 3 sites | #/ha | Both Male and Female | Adult | 96 marked lizards | Coachella Valley | Exposure Factor Datasets | Riverside |
| 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 |
| Body Weight - Mean | range of averages for 3 sites | g | Male | Adult | Not Reported | Coachella Valley | Exposure Factor Datasets | Riverside |
| Body Weight - Mean | range of averages for 3 sites | g | 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 | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 35.2 | g | Both Male and Female | Adult | 30 | animals originally captured at Riverside County, CA | Exposure Factor Datasets | Laboratory | |
| Metabolic Rate | see citation | figure of standard and maximal activity metabolic rates at 25-45C | cm3 O2/g/hr | Both Male and Female | Adult | 30 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of means during 5 stages of reproductive cycle | g | Female | Adult | 7-15/stage | Southwest Herpetlogical Research and Sales, Calimesa | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | range of standard metabolic rates (oxygen consumption) measured at 40C, predicted for 50 g animal, at 5 collection dates | ml O2/g/hr | Both Male and Female | Adult | 11-21/date | Exposure Factor Datasets | Laboratory | |
| Metabolic Rate | range of maximal rates of oxygen consumption measured at 40C, predicted for 50 g animal, at 5 collection dates | ml O2/g/hr | Both Male and Female | Adult | 11-21/date | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 9.2 | g | Not Reported | Juvenile | 65 | Thousand Palms | Exposure Factor Datasets | 7-8 mo | Riverside | 2.1 SD | |
| Body Weight - Mean | 29.2 | g | Not Reported | Juvenile | 25 | Thousand Palms | Exposure Factor Datasets | 19-20 mo | Riverside | 8.6 SD | |
| Body Weight - Mean | 46.0 | g | Both Male and Female | Both Adults and Juveniles | 11 | Thousand Palms | Exposure Factor Datasets | 31-32 mo | Riverside | 13.4 SD | |
| Body Weight - Mean | 43.3 | g | Both Male and Female | Adult | 5 | Thousand Palms | Exposure Factor Datasets | 43-44 mo | Riverside | 9.7 SD | |
| Body Weight - Mean | 5.2 | g | Both Male and Female | Juvenile | 37 | Thousand Palms | Exposure Factor Datasets | 0-1 mo | Riverside | 1.0 SD | |
| Population Density | 332 | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | Thousand Palms | Exposure Factor Datasets | Riverside | |||
| Longevity | longest lived individual in study | yr | Both Male and Female | Adult | Not Reported | Thousand Palms | Exposure Factor Datasets | Riverside | |||
| 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 | ||
| Survival/ Mortality | 46 | average annual survivorship estimated over 3 yrs | % | Not Reported | 11-30 marked/yr | Thousand Palms | Exposure Factor Datasets | 19-22 mo | Riverside | ||
| Survival/ Mortality | 60 | average annual survivorship estimated for 4 yrs | % | Both Male and Female | Adult | 5-38 marked/yr | Thousand Palms | Exposure Factor Datasets | > 31 mo | Riverside | |
| Age at Sexual Maturity | mo | Not Reported | Adult | Not Reported | Thousand Palms | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 1462 | home range estimated using the convex polygon method | m2 | Male | Adult | 20 | Thousand Palms | Exposure Factor Datasets | Riverside |
| Home Range | 1558 | home range estimated using the convex polygon method | m2 | Female | Adult | 5 | Thousand Palms | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Population Density | 450 | #/ha | Not Reported | Both Adults and Juveniles | 45 lizards/10 quadrants (100m2) | Thousand Palms | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Not Reported | Not Reported | Thousand Palms | Exposure Factor Datasets | Riverside | ||||
| Time of Hatching or Parturition | Aug. | Not Reported | Hatchling | Not Reported | Thousand Palms | Exposure Factor Datasets | Riverside | ||||
| Dietary Composition | Plant Species: Ambrosia dumosa (4.8%); Coldenia palmeri (27.6%); Croton californica (2.8%); Dalea emoryi (24.7%); Dalea schottii (13.2%); Dicoria canescens (22.5%); Arthropods (1.3%); Rodent feces (2.4%); Gravel (0.6%) | mean % of total dry matter stomach contents | % | Not Reported | Adult | 7 | Thousand Palms | Exposure Factor Datasets | Riverside | ||
| Dietary Composition | Plant Species: Ambrosia dumosa (19.6%); Coldenia palmeri (10.1%); Dalea schottii (14.4%); Euphorbia polycarpa (4.5%); Geraea canescens (3.1%); Larrea divaricata (32.7%); Palafoxia linearis (11.7%); Rafinesquia neomexicana (1.6%); Schismus barbatus (0.7%);Arthropods (0.5%); Rodent feces (0.5%); Shed skin (0.6%) | mean % of total dry matter stomach contents | % | Not Reported | Adult | 6 | Thousand Palms | Exposure Factor Datasets | Riverside | ||
| Dietary Composition | Plant Species: Ambrosia dumosa (15.4%); Coldenia palmeri (68.3%); Croton californica (2.8%); Dalea emoryi (5.9%); Dalea schottii (5.6%); Arthropods (1.3%); Gravel (0.8%) | mean % of total dry matter stomach contents | % | Not Reported | Hatchling | 12 | Thousand Palms | Exposure Factor Datasets | Riverside | ||
| Dietary Composition | Plant Species: Ambrosia dumosa (6.1%); Coldenia palmeri (16.2%); Dalea emoryi (2.9%); Dalea schottii (26.7%); Geraea canescens (4.1%); Larrea divaricata (23.9%); Palafoxia linearis (3.4%); Rafinesquia neomexicana (0.4%); Unidentified vegetation (12.3%); Arthropods (3.0%) | mean % of total dry matter stomach contents | % | Not Reported | Hatchling | 5 | Thousand Palms | Exposure Factor Datasets | Riverside | ||
| Body Weight - Mean | 3.5 | average snout-vent length = 5.1 cm | g | Not Reported | Hatchling | 5 - 52/sampling time | Thousand Palms | Exposure Factor Datasets | Riverside | ||
| Body Weight - Mean | 60 | average snout-vent length = 12.1 cm | g | Male | Adult | 9-24/sampling time | Thousand Palms | Exposure Factor Datasets | Riverside | ||
| 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 | |||
| Metabolic Rate | range of average field metabolic rates (measured using doubly-labeled water) over 3 time periods | ml CO2/g/hr | Not Reported | Hatchling | 7-9/time period | Thousand Palms | Exposure Factor Datasets | Riverside | |||
| Metabolic Rate | 0.357 | average field metabolic rate (measured using doubly-labeled water) | ml CO2/g/hr | Not Reported | Juvenile | 8 | Thousand Palms | Exposure Factor Datasets | Riverside | 0.024 SE | |
| Metabolic Rate | 0.110 (30C); 0.217 (35C); 0.238 (40C) | average resting metabolic rate (oxygen consumption) measured at 30-40C | ml O2/g/hr | Not Reported | Adult | 5 | Thousand Palms | Exposure Factor Datasets | Laboratory | ||
| Metabolic Rate | 0.180 (30C); 0.250 (35C); 0.279 (40C) | average resting metabolic rate (oxygen consumption) measured at 30-40C | ml O2/g/hr | Not Reported | Hatchling | 5 | Thousand Palms | Exposure Factor Datasets | Laboratory | ||
| Food Ingestion Rate | estimated feeding rate to support energy expenditure measured in field | mg dry food/g/d | Not Reported | Adult | 7-11/time period | Thousand Palms | Exposure Factor Datasets | Riverside | |||
| Food Ingestion Rate | estimated feeding rate to support energy expenditure measured in field | mg dry food/g/d | Not Reported | Hatchling | 7-9/time period | Thousand Palms | Exposure Factor Datasets | Riverside |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Apr. - July | time of potential breeding based on testis volume | Male | Adult | 365 | Dale Dry Lake, Palm Springs and Algodones Dunes | Exposure Factor Datasets | Imperial, Riverside, San Bernardino | |
| Clutches or Litters per year | 1 | clutch/yr | Female | Adult | Not Reported | Dale Dry Lake, Palm Springs and Algodones Dunes | Exposure Factor Datasets | Imperial, Riverside, San Bernardino | |
| Clutch or Litter Size | based on eggs in oviduct | eggs/clutch | Female | Adult | Not Reported | Dale Dry Lake, Palm Springs and Algodones Dunes | Exposure Factor Datasets | Imperial, Riverside, San Bernardino | |
| Duration of Incubation or Gestation | 75 | time from egg to hatching | d | Not Reported | Hatchling | Not Reported | Dale Dry Lake, Palm Springs and Algodones Dunes | Exposure Factor Datasets | Imperial, Riverside, San Bernardino |
| Time of Hatching or Parturition | Aug. | Not Reported | Hatchling | Not Reported | Dale Dry Lake, Palm Springs and Algodones Dunes | Exposure Factor Datasets | Imperial, Riverside, San Bernardino | ||
| Age at Sexual Maturity | > 4.5 | yr | Both Male and Female | Adult | Not Reported | Dale Dry Lake, Palm Springs and Algodones Dunes | Exposure Factor Datasets | Imperial, Riverside, San Bernardino |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | see citation | figure of % of food item in diet, based on dry weight of stomach contents | % | Not Reported | Not Reported | 11-14/season or location | Palm Desert and Thousand Palms | Exposure Factor Datasets | Riverside |
| Food Ingestion Rate | 50 | rate estimated from intake of preformed water and water content of food for animals maintaining weight on natural vegetation | g fresh wt food//kg/d | Not Reported | Not Reported | Not Reported | Palm Desert and 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 |
| Body Weight - Mean | log weight = 0.011 SVL + 0.37 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Male | Adult | Not Reported | Palm Desert | Exposure Factor Datasets |
| Body Weight - Mean | log weight = 0.011 SVL + 0.46 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Male | Adult | Not Reported | Palm Desert | Exposure Factor Datasets |
| Body Weight - Mean | log weight = 0.011 SVL + 0.05 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Not Reported | Juvenile | Not Reported | Palm Desert | Exposure Factor Datasets |
| Body Weight - Mean | log weight = 0.017 SVL - 0.22 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Not Reported | Juvenile | Not Reported | Palm Desert | Exposure Factor Datasets |
| Body Weight - Mean | log weight = 0.017 SVL - 0.11 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Not Reported | Juvenile | Not Reported | Palm Desert | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Not Reported | 95 | Palm Springs | Exposure Factor Datasets | Riverside | |||
| Metabolic Rate | see citation | figure of resting oxygen consumption in hibernating and non-hibernating lizards at several body temperatures | cc O2/g/hr | Not Reported | Not Reported | 60 | Palm Springs | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | eggs/clutch | Female | Adult | Not Reported | Exposure Factor Datasets | ||
| Time of Hatching or Parturition | Aug. | Not Reported | Hatchling | Not Reported | Exposure Factor Datasets |
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 | Age-Specific | 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 | |||
| Time of Mating/ Laying | Apr. - June | time of breeding | Both Male and Female | Adult | Not Reported | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare | ||
| Time of Hatching or Parturition | July - Aug. | Both Male and Female | Hatchling | Not Reported | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare | |||
| Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Not Reported | Not Reported | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare | |||
| Growth Rate | 11.8 | increase in snout-vent length before retreat in Oct. | mm/mo | Both Male and Female | Hatchling | 2 | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare | |
| Growth Rate | increase in snout-vent length for juvenile to 9 mo period | mm/mo | Both Male and Female | Juvenile | 7 | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare | ||
| Growth Rate | 3.4 | increase in snout-vent length from 8 to 12 mo | mm/mo | Male | 3 | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | 8 - 12 mo | Kern, Kings, Tulare | |
| Growth Rate | 1.6 | increase in snout-vent length from 8 to 12 mo | mm/mo | Female | 2 | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | 8 - 12 mo | Kern, Kings, Tulare | |
| Growth Rate | 2.0 | increase in snout-vent length | mm/mo | Male | Adult | 36 | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare | |
| Growth Rate | 0.7 | increase in snout-vent length | mm/mo | Female | Adult | 38 | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | review | reported densities range from 0.10 - 3.4 lizards/acre (from unpublished reports) | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
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 | 1070 | average home range estimated using minimum convex polygon method (snout-vent length, 80+mm) | m2 | Male | Adult | 25 | Whitewater Floodplain Reserve, Palm Springs | Exposure Factor Datasets | Riverside | 228 (95CI) |
| Home Range | 270 | average home range estimated using minimum convex polygon method (snout-vent length, 51-79mm) | m2 | Male | Juvenile | 20 | Whitewater Floodplain Reserve, Palm Springs | Exposure Factor Datasets | Riverside | 58 (95CI) |
| Home Range | 90 | average home range estimated using minimum convex polygon method (snout-vent length, 0-50mm) | m2 | Male | Hatchling | 9 | Whitewater Floodplain Reserve, Palm Springs | Exposure Factor Datasets | Riverside | 58 (95CI) |
| Home Range | 437 | average home range estimated using minimum convex polygon method (snout-vent length, 70+mm) | m2 | Female | Adult | 37 | Whitewater Floodplain Reserve, Palm Springs | Exposure Factor Datasets | Riverside | 168 (95CI) |
| 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) |
