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| Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | range of early activity season (spring to summer) mortality rates measured over 3 yrs | 0.307 - 0.619 | deaths/100 lizards/d | Not Reported | Adult | Chuckwalla Mountains (elev., 460m), [lat., 33^o37'N; long., 115^o18' W] | 90-169/yr | Exposure Factor Datasets |
| Survival/ Mortality | range of early activity season (spring to summer) mortality rates measured over 3 yrs | 0.463 - 0.542 | deaths/100 lizards/d | Not Reported | Adult | Panamint Valley (elev., 790m), [lat., 36^o20'N; long., 117^o30' W] | 33-48/yr | Exposure Factor Datasets |
| Survival/ Mortality | range of early activity season (spring to summer) mortality rates measured over 2 yrs | 0.527 - 0.732 | deaths/100 lizards/d | Not Reported | Adult | San Joaquin Valley (elev., 460m), [lat., 37^o38'N; long., 121^o29' W] | 27-51/yr | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | see citation | figure of seasonal changes in body weight | g | Not Reported | Not Reported | Elkhorn Plain (elev., 685-765m) | Not Reported | Exposure Factor Datasets |
| Time of Mating/ Laying | May - June | time of laying | Female | Adult | Elkhorn Plain (elev., 685-765m) | Not Reported | Exposure Factor Datasets | |
| Time of Hatching or Parturition | Aug. | Not Reported | Hatchling | Elkhorn Plain (elev., 685-765m) | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 2 - 6 | eggs/clutch | Female | Adult | Elkhorn Plain | 11 | Exposure Factor Datasets |
| Clutches or Litters per year | 2 - 4 | clutches/yr | Female | Adult | Elkhorn Plain | 11 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Apr. - May | time of mating | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | ||
| Time of Mating/ Laying | June - July | time of laying | Female | Adult | Not Reported | Exposure Factor Datasets | ||
| Clutch or Litter Size | 3 | 2 - 5 | eggs/clutch | Female | Adult | Not Reported | Exposure Factor Datasets | |
| Duration of Incubation or Gestation | 57 | egg to hatching | d | Not Reported | Hatchling | Not Reported | Exposure Factor Datasets | |
| Time of Hatching or Parturition | Aug. - Sept. | Not Reported | Hatchling | Not Reported | Exposure Factor Datasets | |||
| Foraging Distance | 42 | maximum foraging distance from burrow | m | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | range of average clutch size from 2 sites over 2 yrs | 2.64 - 3.33 | eggs/clutch | Female | Adult | Delano and Kettleman Hills | 3-22 | Exposure Factor Datasets | |
| Age at Sexual Maturity | 9 (occassionally 21) | based on presence of oviductal eggs and breeding color | mo | Female | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | |
| Age at Sexual Maturity | 9 - 21 | mo | Male | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | ||
| Time of Mating/ Laying | Apr. - June | time of breeding | Both Male and Female | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | ||
| Time of Hatching or Parturition | July - Aug. | Both Male and Female | Hatchling | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | |||
| Time of Mating/ Laying | May - July | time of laying | Female | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | ||
| Duration of Incubation or Gestation | 4 | wks | Both Male and Female | Embryo | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | ||
| Clutches or Litters per year | 1 -2 | clutches/yr | Female | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | ||
| Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Not Reported | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | |||
| Growth Rate | 11.8 | increase in snout-vent length before retreat in Oct. | mm/mo | Both Male and Female | Hatchling | Pixley National Wildlife Refuge, Delano and Kettleman Hills | 2 | Exposure Factor Datasets | |
| Growth Rate | increase in snout-vent length for juvenile to 9 mo period | 14.2 - 16.2 | mm/mo | Both Male and Female | Juvenile | Pixley National Wildlife Refuge, Delano and Kettleman Hills | 7 | Exposure Factor Datasets | |
| Growth Rate | 3.4 | increase in snout-vent length from 8 to 12 mo | mm/mo | Male | Pixley National Wildlife Refuge, Delano and Kettleman Hills | 3 | Exposure Factor Datasets | ||
| Growth Rate | 1.6 | increase in snout-vent length from 8 to 12 mo | mm/mo | Female | Pixley National Wildlife Refuge, Delano and Kettleman Hills | 2 | Exposure Factor Datasets | ||
| Growth Rate | 2.0 | increase in snout-vent length | mm/mo | Male | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | 36 | Exposure Factor Datasets | |
| Growth Rate | 0.7 | increase in snout-vent length | mm/mo | Female | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | 38 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | 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 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 1070 | average home range estimated using minimum convex polygon method (snout-vent length, 80+mm) | 228 (95CI) | m2 | Male | Adult | Whitewater Floodplain Reserve, Palm Springs | 25 | Exposure Factor Datasets |
| Home Range | 270 | average home range estimated using minimum convex polygon method (snout-vent length, 51-79mm) | 58 (95CI) | m2 | Male | Juvenile | Whitewater Floodplain Reserve, Palm Springs | 20 | Exposure Factor Datasets |
| Home Range | 90 | average home range estimated using minimum convex polygon method (snout-vent length, 0-50mm) | 58 (95CI) | m2 | Male | Hatchling | Whitewater Floodplain Reserve, Palm Springs | 9 | Exposure Factor Datasets |
| Home Range | 437 | average home range estimated using minimum convex polygon method (snout-vent length, 70+mm) | 168 (95CI) | m2 | Female | Adult | Whitewater Floodplain Reserve, Palm Springs | 37 | Exposure Factor Datasets |
| Home Range | 146 | average home range estimated using minimum convex polygon method (snout-vent length, 51-69mm) | 56 (95CI) | m2 | Female | Juvenile | Whitewater Floodplain Reserve, Palm Springs | 15 | Exposure Factor Datasets |
| Home Range | 45 | average home range estimated using minimum convex polygon method (snout-vent length,0-50mm) | 11 (95CI) | m2 | Female | Hatchling | Whitewater Floodplain Reserve, Palm Springs | 11 | Exposure Factor Datasets |
| Time of Torpor or Hibernation | Nov. - Mar. | Not Reported | Not Reported | Whitewater Floodplain Reserve, Palm Springs | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Overall Total (2779); Arthropod Total (658); Vertebrate Total (2); Plant Total (2113): Includes; Insects, Coleoptera (49); Hemiptera (27); Homoptera (503); Hymenoptera (59); Lepidoptera (10); Neuroptera (2); Orthoptera (13); Lizards, Phrynosomatidae (2); Plants, Asteraceae (70); Boraginaceae (3); Euphorbiaceae (6); Fabaceae (107) and Loasaceae (1927) | total numbers of food items found in stomach contents | # | Male | Adult | Whitewater Floodplain Reserve, Palm Springs | 23 | Exposure Factor Datasets |
| Dietary Composition | Overall Total (629); Arthropod Total (201); Vertebrate Total (1); Plant Total (332): Includes; Insects, Coleoptera (28); Diptera (5); Hemiptera (25); Homoptera (177); Hymenoptera (48); Lepidoptera (3); Orthoptera (4); Snakes, Crotalidae (1); Plants, Asteraceae (42); Boraginaceae (8); Fabaceae (71) and Loasaceae (211) | total numbers of food items found in stomach contents | # | Female | Adult | Whitewater Floodplain Reserve, Palm Springs | 13 | Exposure Factor Datasets |
| Dietary Composition | Overall Total (673); Arthropod Total (268); Vertebrate Total (2); Plant Total (360): Includes; Insects, Coleoptera (12); Diptera (1); Hemiptera (16); Homoptera (10); Hymenoptera (259); Lepidoptera (1); Neuroptera (3); Orthoptera (1); Lizards, Phrynosomatidae (1); Snakes, Crotalidae (1); Plants, Asteraceae (107); Boraginaceae (99); Euphorbiaceae (2); Fabaceae (33) and Loasaceae (119) | total numbers of food items found in stomach contents | # | Male | Adult | Whitewater Floodplain Reserve, Palm Springs | 17 | Exposure Factor Datasets |
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