Lizards and snakes (Squamata)

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Western Fence Lizard (Sceloporus occidentalis)

Citation:

Variation in clutch and litter size in New World reptiles

Author(s)
Fitch, Henry S.
Pages
28
Year
Volume
76
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type California Counties Error
Clutch or Litter Size 6.50 eggs/clutch Female Adult 8 "lowland" habitat Exposure Factor Datasets Kern 0.53
Clutch or Litter Size 8.50 eggs/clutch Female Adult 16 "montane" habitat (elev., 1528m) Exposure Factor Datasets Kern 0.32
Clutch or Litter Size 7.00 eggs/clutch Female Adult 8 "lowland" habitat Exposure Factor Datasets San Diego 0.50
Clutch or Litter Size 7.50 eggs/clutch Female Adult 10 "montane" habitat, (elev., 1830m) Exposure Factor Datasets San Diego 0.62
Citation:

Activity metabolism in the lizard Sceloporus occidentalis

Author(s)
Bennett, Albert F. and Todd T. Gleeson
Pages
65-76
Year
Issue
1
Volume
49
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
Citation:

Fat and breeding cycles in two montane populations of Sceloporus occidentalis (Reptilia, Lacertilia, Iguandidae)

Author(s)
Jameson, E.W. Jr. and Allen Allison
Pages
211-220
Year
Issue
3
Volume
10
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type Error
Time of Torpor or Hibernation Sept. - Apr. Both Male and Female Both Adults and Juveniles Not Reported yellow pine forest, central Sierra Nevada (elev., 1500m) Exposure Factor Datasets
Clutch or Litter Size 11.3 eggs/clutch Female Adult 48 yellow pine forest, central Sierra Nevada (elev., 1500m) Exposure Factor Datasets 0.41SE
Duration of Incubation or Gestation 59 d Both Male and Female Embryo Not Reported yellow pine forest, central Sierra Nevada (elev., 1500m) Exposure Factor Datasets
Citation:

Seasonal, sexual and altitudinal variations in stomach content and ingested fat in Sceloporus occidentalis

Author(s)
Jameson, E.W. Jr., A.A. Heusner and Donna Lem
Pages
255-261
Year
Issue
3
Volume
14
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Error
Body Weight - Mean 8.08 average snout-vent length = 62.99 mm g Female Not Reported 194 animals valley grassland (elev., 150m), central Sierra Nevada Exposure Factor Datasets 3.76SD
Body Weight - Mean 11.31 average snout-vent length = 68.05 mm g Male Not Reported 256 animals yellow pine forest (elev., 1500m), central Sierra Nevada Exposure Factor Datasets 3.88SD
Body Weight - Mean 8.61 average snout-vent length = 62.67 mm g Female Not Reported 184 animals yellow pine forest (elev., 1500m), central Sierra Nevada Exposure Factor Datasets 4.26SD
Citation:

Growth plasticity and thermal opportunity in Sceloporus lizards

Author(s)
Sinervo, Barry and Stephen C. Adolph
Pages
776-790
Year
Issue
3
Volume
75
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type California Counties
Time of Mating/ Laying see citation figure of time of egg laying Female Adult Not Reported Valyermo (elev., 1300m) [lat., 34^o27'N; long., 117^o45'W], Wrightwood (elev., 2200m) [lat., 34^o23'N; long., 117^o40' W], Throop Peak (elev., 2600m) [lat., 34^o22'N; long., 117^o48'W] Exposure Factor Datasets Los Angeles, San Bernardino
Citation:

The evolution of maternal investment in lizards: an experimental and comparative analysis of egg size and its effects on offspring performance

Author(s)
Sinervo, Barry
Pages
279-294
Year
Issue
2
Volume
44
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Lab
Clutch or Litter Size eggs/clutch Female Adult 39 - 59 Table Mountain, Wrightwood (elev., 2200m) and Mojave desert, Pearblossom (elev., 1330m) Exposure Factor Datasets
Duration of Incubation or Gestation see citation figure of relationship between egg mass and incubation time Not Reported Embryo Not Reported Exposure Factor Datasets Laboratory

Coachella Valley Fringe-toed Lizard (Uma inornata)

Citation:

Foraging ecology of the fringe-toed lizard, Uma inornata, during periods of high and low food abundance

Author(s)
Durtsche, Richard D.
Pages
915-926
Year
Issue
4
Volume
1995
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
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 23 Whitewater Floodplain Reserve, Palm Springs Exposure Factor Datasets Riverside
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 13 Whitewater Floodplain Reserve, Palm Springs Exposure Factor Datasets Riverside
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 17 Whitewater Floodplain Reserve, Palm Springs Exposure Factor Datasets Riverside
Dietary Composition Overall Total (837); Arthropod Total (383); Vertebrate Total (1); Plant Total (277): Includes; Insects, Coleoptera (8); Diptera (2); Hemiptera (34); Homoptera (45); Hymenoptera (461); Neuroptera (1); Lizards, Phrynosomatidae (2); Plants, Asteraceae (85); Boraginaceae (65); Loasaceae (128) total numbers of food items found in stomach contents # Female Adult 17 Whitewater Floodplain Reserve, Palm Springs Exposure Factor Datasets Riverside

Sideblotched Lizard (Uta stansburiana)

Citation:

The life and demography of the side-blotched lizard, Uta stansburiana

Author(s)
Tinkle, Donald W.
Pages
1 - 182
Year
Volume
132
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Age-Specific
Home Range 1300 average home range, estimated using minimum polygon method (mark and recapture technique) sq. ft. Both Male and Female Juvenile 357 lizards Exposure Factor Datasets
Home Range 0.38 home range estimated using probability density function (95%) acre Male Adult Not Reported Mesa County Exposure Factor Datasets
Food Ingestion Rate 0.02 total volume of food eaten g/d Not Reported Not Reported Not Reported Exposure Factor Datasets
Home Range 0.23 home range estimated using probability density function (95%) acre Female Adult Not Reported Mesa County Exposure Factor Datasets
Survival/ Mortality range of % "survival to next season" over 5 yrs at 2 sites % Both Male and Female Adult 39-110/date and site Exposure Factor Datasets 9 mo
Clutch or Litter Size range of monthly average clutch sizes over 3 yrs eggs/clutch Female Adult 13-48 lizards/10 dates Exposure Factor Datasets
Longevity 100 maximum longevity observed for marked hatchlings wks Not Reported Both Adults and Juveniles Not Reported Exposure Factor Datasets
Survival/ Mortality range of % "survival to maturity" over 5 years for males and females % Both Male and Female Juvenile 17-65/date and sex Exposure Factor Datasets
Citation:

Field metabolism of lizards from lower altitude regions of Baja California Sur (Mexico)

Author(s)
Grenot, Claude J., Patricia Galina-Tessaro and Sergio Alvarez-Cardenas
Pages
11-23
Year
Volume
16
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Countries Error
Metabolic Rate 8.5 field metabolic rate (estimated by injecting with doubly-labelled water); also expressed as 218 +/- 141SE kJ/kg/d L CO2/kg/d Both Male and Female Adult 5 El Comitan, Baja California Sur Exposure Factor Datasets MEXICO 5.5 SE
Dietary Composition Scorpionida (1.22%); Araneae (22.72%); Solifugae (2.78%); Thysanura (0.28%); Orthoptera (5.66%); Isoptera (2.31%); Homoptera (0.38%); Neuroptera (7.93%); Coleoptera (7.86%); Trichoptera (0.62%); Lepidoptera (44.76%); Hymenoptera (2.97%) % frequency of prey (by volume) in stomach contents % Both Male and Female Adult 27 El Comitan, Baja California Sur Exposure Factor Datasets MEXICO
Body Weight - Mean 2.4 g Both Male and Female Adult 5 El Comitan, Baja California Sur Exposure Factor Datasets MEXICO 0.4 SE
Citation:

The life history of the side-blotched lizard, Uta stansburiana Baird and Girard, in north-central Oregon

Author(s)
Nussbaum, Ronald A. and Lowell V. Diller
Pages
243-260
Year
Issue
4
Volume
50
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Growth Rate 0.22 growth rate measured as increase in snout-vent length (mm) mm/d Male Hatchling Not Reported Deschutes River, Jefferson county (elev., 732m) Exposure Factor Datasets
Growth Rate 0.17 growth rate measured as increase in snout-vent length (mm) mm/d Female Hatchling Not Reported Deschutes River, Jefferson county (elev., 732m) Exposure Factor Datasets
Body Weight - Mean g Both Male and Female Adult 11 Deschutes River, Jefferson county (elev., 732m) Exposure Factor Datasets
Citation:

Home range, growth, and population density of Uta stansburiana in Arizona

Author(s)
Parker, William S.
Pages
135-139
Year
Issue
2
Volume
8
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Population Density #/ha Both Male and Female Adult Not Reported Phoenix South Mountain, Maricopa county Exposure Factor Datasets
Population Density #/ha Not Reported Juvenile Not Reported Phoenix South Mountain, Maricopa county Exposure Factor Datasets
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
Citation:

The effect of supplemental feeding on home range size and activity patterns in the lizard Uta stansburiana

Author(s)
Waldschmidt, Steve
Pages
1-5
Year
Volume
57
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)
Citation:

The demography of the lizard, Uta stansburiana Baird and Girard, in southern Nevada

Author(s)
Turner, Frederick B., Gerard A. Hoddenbach, Philip A. Medica and Joseph R. Lannom
Pages
505-519
Year
Volume
39
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Age-Specific
Clutch or Litter Size range of average clutch sizes on 8 dates eggs/clutch Female Adult Not Reported Exposure Factor Datasets >12 mo
Clutches or Litters per year clutches/yr Female Adult Not Reported Exposure Factor Datasets
Citation:

Latitudinal variation in activity season mortality rates of the lizard Uta stansburiana

Author(s)
Wilson, Byron S.
Pages
393-414
Year
Issue
4
Volume
61
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Population Density range of average densities estimated over 2 yrs #/ha Not Reported Not Reported Not Reported Chuckwalla Mountains (elev., 460m), [lat., 33^o37'N; long., 115^o18' W] Exposure Factor Datasets Riverside

Island Night Lizard (Xantusia riversiana)

Citation:

The food of the nightlizards, Genus Xantusia

Author(s)
Brattstrom, Bayard H.
Pages
168-172
Year
Issue
3
Volume
1952
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Dietary Composition Lizard skin (17); Unidentified arthropods (2); Spiders (11); Scorpions (2); Centipedes (2); Ticks (1), Isopids (17); Insects unidentified (26); Orthoptera (1); Homoptera (1); Hemiptera (3); Lepidoptera (5); Diptera (3); Coleptera (19); Hymenoptera (25); Plants (44) number of individuals in which a particular item was found in stomach contents # Not Reported Not Reported 91 San Nicolas, Santa Barbara and San Clemente Islands Exposure Factor Datasets
Citation:

Reproduction in the island night lizard, Xantusia riversiana

Author(s)
Goldberg, Stephen R. and Robert L. Bezy
Pages
350-360
Year
Issue
4
Volume
30
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Age-Specific
Body Weight - Mean 1.01 g Not Reported Hatchling 15 San Clemente, San Nicolas and Santa Barbara Islands Exposure Factor Datasets at birth
Clutch or Litter Size range of average number of young produced/female at 3 sites young/female Female Adult 2-25 San Clemente, San Nicolas and Santa Barbara Islands Exposure Factor Datasets
Age at Sexual Maturity yr Both Male and Female Adult Not Reported San Clemente, San Nicolas and Santa Barbara Islands Exposure Factor Datasets
Citation:

The metabolism of reclusive lizards, the Xantusiidae

Author(s)
Mautz, William J.
Pages
577-584
Year
Volume
1979
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Lab
Metabolic Rate 0.025 (15C); 0.035 (20C); 0.070 (25C); 0.105 (30C); 0.160 (35C) mean oxygen consumption measured at various temperatures (15-35C) during the photophase of the diel cycle cc O2/g/hr Not Reported Adult 10-29/temp. group Exposure Factor Datasets Laboratory
Metabolic Rate 0.024 (15C); 0.036 (20C); 0.058 (25C); 0.081 (30C); 0.146 (35C) mean oxygen consumption measured at various temperatures (15-35C) during the scotophase of the diel cycle cc O2/g/hr Not Reported Adult 10-29/temp. group Exposure Factor Datasets Laboratory
Citation:

Ecology of the island night lizard, Xantusia riversiana, on Santa Barbara Island, California

Author(s)
Fellers, Gary M. and Charles A. Drost
Pages
28-78
Year
Volume
5
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Condition
Body Weight - Mean range of average male and average female weights g Both Male and Female Adult 258 Santa Barbara Island Exposure Factor Datasets non-pregnant
Body Weight - Mean BW = -0.26 + 0.000028(SVL)^3 lizard body weight (BW; g) as an exponential function of snout-vent length (SVL,mm) g Both Male and Female Both Adults and Juveniles 792 Santa Barbara Island Exposure Factor Datasets non-pregnant
Citation:

Xantusia riversiana (Cope), Island Night Lizard

Author(s)
Fellers, Gary M. and Charles A. Drost
Pages
1-4
Year
Volume
518
Exposure Endpoint Type Endpoint Value Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size review Female Adult Not Reported Exposure Factor Datasets

Gopher Snake (Pituophis catenifer formerly Pituophis melanoleucus)

Citation:

Ventilation, gas exchange and blood gases in the snake, Pituophis melanoleucus

Author(s)
Stinner, Jerry N
Pages
279-298
Year
Volume
47
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Condition Lab
Metabolic Rate 5.6 (15C); 9.8 (20C); 17.3 (25C); 30.4 (30C) oxygen consumption rates measured at body temperatures of 15-30C ml O2/kg/hr Not Reported Adult 4/temp captured at Riverside, CA Exposure Factor Datasets resting Laboratory
Citation:

The effect of body temperature on oxygen consumption and heart rate in the Sonora gopher snake, Pituophis catenfer affinis Hallowell

Author(s)
Greenwald, O.E.
Pages
98-106
Year
Volume
1971
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Lab
Body Weight - Mean 548 g Not Reported Adult 14 Exposure Factor Datasets Laboratory
Metabolic Rate OC = 0.324/(37.4 - T) resting oxygen consumption (OC) as a function of body temperature (T; 10-35C) ml O2/g/hr Not Reported Adult 14 Exposure Factor Datasets Laboratory
Metabolic Rate OC = 0.198T - 0.126 active oxygen consumption (OC) as a function of body temperature (T; 10-29C) ml O2/g/hr Not Reported Adult 14 Exposure Factor Datasets Laboratory
Citation:

Developmental effects of incubation temperature on hatchling pine snakes Pituophis melanoleucus

Author(s)
Burger, Joanna, Robert T. Zappalorti and Michael Gochfeld
Pages
727-732
Year
Volume
87
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type Age-Specific Error Lab
Clutch or Litter Size 8.8 eggs/clutch Female Adult 38 Exposure Factor Datasets Laboratory
Body Weight - Mean 33.5 g Both Male and Female Juvenile 68 Exposure Factor Datasets 15 d 6 SE Laboratory

San Joaquin Fence Lizard (Sceloporus occidentalis ssp. biseriatus)

Citation:

Ovarian cycle of the western fence lizard, Sceloporus occidentalis

Author(s)
Goldberg, Stephen R.
Pages
284-289
Year
Issue
3
Volume
29
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
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
Citation:

Reproduction in mountain and lowland populations of the lizard Sceloporus occidentalis

Author(s)
Goldberg, Stephen R.
Pages
176-182
Year
Issue
1
Volume
1974
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

Northwestern Fence Lizard (Sceloporus occidentalis ssp. occidentalis)

Citation:

The diet of the pacific fence lizard, Scleoporus occidentalis occidentalis (Baird and Girard), from northern California

Author(s)
Johnson, Clifford Ray
Pages
114-117
Year
Volume
21
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Dietary Composition Thysanura (0.5%); Collembola (1.0%); Dermaptera (0.5%); Orthoptera (37.1%); Isoptera (6.2%); Ephemeroptera (0.5%); Plecoptera (2.9%); Homoptera (5.7%); Hemiptera (27.6%); Coleoptera (42.4%); Diptera (47.1%); Lepidoptera (18.1%); Hymenoptera (20.9%); Isopoda (2.4%); Chilopoda (0.5%); Araneida (19.0%); Acarina (1.0%); S. occidentalis (1.4%) percent of lizards in which prey type occurred in stomach contents % Both Male and Female Adult 210 oak-grassland and creosote bush-rocky moutain terrain Exposure Factor Datasets Lake, Marin, Mendocino, Napa, San Mateo, Shasta, Sonoma, Tehama, Trinity

Desert Sideblotched Lizard (Uta stansburiana ssp. stejnegeri)

Citation:

Population structure and reproduction in the lizard Uta stansburiana stejnegeri

Author(s)
Tinkle, Donald W.
Pages
206-234
Year
Volume
66
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size 4 eggs/female Female Adult Not Reported Palo Duro Canyon, Armstrong County (elev., 2000-3600 ft); Kermit , Winkler County and Monahans, Ward County (elev., 2800 ft) Exposure Factor Datasets
Clutches or Litters per year 3 clutches/yr Female Adult Not Reported Palo Duro Canyon, Armstrong County (elev., 2000-3600 ft); Kermit , Winkler County and Monahans, Ward County (elev., 2800 ft) Exposure Factor Datasets

Valley Garter Snake (Thamnophis sirtalis ssp. fitchi)

Citation:

Intrapopulation variation in ecological energetics of the garter snake Thamnophis sirtalis, with analysis of the precision of doubly labeled water measurements

Author(s)
Peterson, Charles C., B. Michael Walton and Albert F. Bennett
Pages
333-349
Year
Volume
71
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Food Ingestion Rate 14 average % of their body mass in frogs ingested per day, estimated from field metabolic rate % Both Male and Female Adult 72 Eagle Lake (elev., 1800 m) Exposure Factor Datasets Lassen

Red-sided Garter Snake (Thamnophis sirtalis ssp. parietalis)

Citation:

Body mass and reproduction in female red-sided garter snakes (Thamnophis sirtalis parietalis)

Author(s)
Whittier, Joan M. and David Crews
Pages
219-226
Year
Volume
46
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Countries
Body Weight - Mean BW = -201.07 + 4.78SVL relationship between body weight (BW, g, 50-175g) and snout-vent length (SVL, cm, 55-75cm) for vitellogenic and non-vitellogenic females in 1985 (r2 = 0.874) g Female Adult 32 Manitoba Exposure Factor Datasets CANADA
Body Weight - Mean BW = -137.32 + 3.73SVL relationship between body weight (BW, g, 50-175g) and snout-vent length (SVL, cm, 55-75cm) for vitellogenic and non-vitellogenic females in 1987 (r2 = 0.698) g Female Adult 110 Manitoba Exposure Factor Datasets CANADA
Time of Torpor or Hibernation Sept. - Mar. Female Adult 218 Manitoba Exposure Factor Datasets CANADA
Citation:

Sex and seasonal differences in metabolism in the red-sided garter snake, Thamnophis sirtalis parietalis

Author(s)
Crews, David, Mark Grassman, William R. Garstka, Andrew Halpert and Brian Camazine
Pages
2362-2368
Year
Volume
65
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Condition Countries
Body Weight - Mean range of means g Male Adult 5 animals/6 sampling dates Exposure Factor Datasets 1-24 d post-emergence CANADA

Eastern Garter Snake (Thamnophis sirtalis ssp. sirtalis)

Citation:

Influence of pregnancy on oxygen consumption, heart rate and hematology in the garter snake: Implications for the "cost of reproduction" in live bearing reptiles

Author(s)
Birchard, Geoffrey F., Craig P. Black, Gordon W. Schuett and Virginia Black
Pages
519-523
Year
Volume
77
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Condition Error Lab
Body Weight - Mean 94.2 g Female Adult 6 captured in Michigan and Ohio Exposure Factor Datasets pregnant 10.2 SE Laboratory
Metabolic Rate 0.095 resting oxygen consumption at 25C cm3 O2 STP/hr/g Female Adult 6 captured in Michigan and Ohio Exposure Factor Datasets pregnant 0.010 SE Laboratory
Body Weight - Mean 1.66 g Not Reported Neonate 8 captured in Michigan and Ohio Exposure Factor Datasets 0.07 SE Laboratory

San Francisco Garter Snake (Thamnophis sirtalis ssp. tetrataenia)

Citation:

Mating aggregations of garter snakes

Author(s)
Fox, Wade
Pages
176
Year
Volume
11
Exposure Endpoint Type Endpoint Value Sex Life Cycle Stage Sample Size Location Type California Counties
Time of Mating/ Laying Oct. - Nov. Both Male and Female Adult 2 mating masses San Francisco Peninsula Exposure Factor Datasets San Mateo

Blunt-nosed Leopard Lizard (Gambelia sila formerly Gambelia silus)

Citation:

Effect of drought on blunt-nosed leopard lizards (Gamelia sila)

Author(s)
Germano, David J., Daniel F. Williams and Walter Tordoff III
Pages
11-19
Year
Issue
1
Volume
75
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Body Weight - Mean see citation figure of seasonal changes in body weight g Not Reported Not Reported Not Reported Elkhorn Plain (elev., 685-765m) Exposure Factor Datasets San Luis Obispo
Time of Mating/ Laying May - June time of laying Female Adult Not Reported Elkhorn Plain (elev., 685-765m) Exposure Factor Datasets San Luis Obispo
Time of Hatching or Parturition Aug. Not Reported Hatchling Not Reported Elkhorn Plain (elev., 685-765m) Exposure Factor Datasets San Luis Obispo
Citation:

Growth and reproduction in two closely related species of leopard lizards, Gambelia silus and Gambelia wislizenii

Author(s)
Tollestrup, Kristine
Pages
1-20
Year
Issue
1
Volume
108
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Time of Mating/ Laying May - July time of laying Female Adult Not Reported Pixley National Wildlife Refuge, Delano and Kettleman Hills Exposure Factor Datasets Kern, Kings, Tulare
Duration of Incubation or Gestation 4 wks Both Male and Female Embryo Not Reported Pixley National Wildlife Refuge, Delano and Kettleman Hills Exposure Factor Datasets Kern, Kings, Tulare
Clutches or Litters per year clutches/yr Female Adult Not Reported Pixley National Wildlife Refuge, Delano and Kettleman Hills Exposure Factor Datasets Kern, Kings, Tulare

Desert Iguana (Dipsosaurus dorsalis)

Citation:

Aerobic and anaerobic metabolism during activity in the lizard Dipsosaurus dorsalis

Author(s)
Bennett, Albert F. and William R. Dawson
Pages
289-299
Year
Volume
81
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
Citation:

Life history of the desert iguana, Dipsosaurus dorsalis

Author(s)
Krekorian, C. O'Neil
Pages
415-424
Year
Issue
4
Volume
40
Exposure Endpoint Type Units Sex Life Cycle Stage Sample Size Location Type California Counties
Age at Sexual Maturity mo Not Reported Adult Not Reported Thousand Palms Exposure Factor Datasets Riverside
Citation:

Ontogenetic changes in diet, field metabolic rate, and water flux in the herbivorous lizard, Dipsosaurus dorsalis

Author(s)
Mautz, William J. and Kenneth A. Nagy
Pages
640-658
Year
Issue
6
Volume
60
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties Lab
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
Time of Hatching or Parturition Aug. Not Reported Hatchling Not Reported Thousand Palms Exposure Factor Datasets Riverside
Citation:

Seasonal variation in weight-length relationships and fat body size in the desert iguana, Dipsosaurus dorsalis

Author(s)
Minnich, John E.
Pages
359-362
Year
Issue
2
Volume
1971
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
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
Citation:

Physiological ecology of desert iguana (Dipsosaurus dorsalis) eggs: temperature and water relations

Author(s)
Muth, Allan
Pages
1335-1343
Year
Volume
61
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Lab
Duration of Incubation or Gestation 86 incubation period at 28C d Not Reported Embryo 12 Exposure Factor Datasets Laboratory
Duration of Incubation or Gestation 44 incubation period at 36C d Not Reported Embryo 60 Exposure Factor Datasets Laboratory
Citation:

Home range size and overlap and their relationship to food abundance in the desert iguana, Dipsosaurus dorsalis

Author(s)
Krekorian, C. O'Neil
Pages
405-412
Year
Issue
4
Volume
32
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
Citation:

Reproduction and estrogen-induced vitellogenesis in Dipsosaurus dorsalis

Author(s)
Gerstle, Jinny F. and Ian P. Callard
Pages
791-801
Year
Volume
42
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

Northern Sideblotched Lizard (Uta stansburiana ssp. stansburiana)

Citation:

The application of the density probability function to determine the home ranges of Uta stansburiana stansburiana and Cnemidophorus tigris tigris

Author(s)
Jorgensen, Clive D. and Wilmer W. Tanner
Pages
105-115
Year
Issue
2
Volume
19
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Error
Home Range 16.82 home range estimated by density probability function method (ranged 99.0% of the time in this area size) acres Not Reported Juvenile 14 United States Atomic Energy Commission Nevada Test Site Exposure Factor Datasets 0.42
Home Range 27.36 home range estimated by density probability function method (ranged 99.0% of the time in this area size) acres Female Adult 16 United States Atomic Energy Commission Nevada Test Site Exposure Factor Datasets 0.68

California Red-sided Garter Snake (Thamnophis sirtalis ssp. infernalis)

Citation:

Diet and growth in juveniles of the garter snakes Thamnophis sirtalis infernalis and Thamnophis radix radix

Author(s)
Scudder, Roy M. and Gordon M. Burghardt
Pages
74-85
Year
Volume
51
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Age-Specific Lab
Growth Rate increase in body mass on earthworm or mosquitofish diets g/d Not Reported Juvenile 13 captive-born to female from Humboldt County Exposure Factor Datasets 0 - 4 mo Laboratory

Common Garter Snake (Thamnophis sirtalis)

Citation:

The feeding habits of California garter snakes

Author(s)
Fitch, Henry S.
Pages
1-32
Year
Volume
27
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Dietary Composition Slug (1.4%); Earthworm (23.6%); Frog, Rana (6.9%); Toad, Bufo and Scaphiopus (30.5%); Tree Toad (20.8%); Leech (4.0%); Tadpole (10%); Minnow (1.4%); Unidentified fish (1.4%) % of total recorded food items % Not Reported Not Reported 48 Exposure Factor Datasets

Alameda Whipsnake (Masticophis lateralis ssp. euryxanthus)

Citation:

Observations on the reproduction, courtship, and aggressive behavior of the striped racer, Masticophis lateralis euryxanthus (Reptilia, Serpentes, Columbridae)

Author(s)
Hammerson, Geoffrey A.
Pages
253-255
Year
Volume
12
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type Lab
Time of Mating/ Laying May time of mating Both Male and Female Adult 4 outdoor enclosures, Hayward, CA Exposure Factor Datasets Laboratory
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