Lizards and snakes (Squamata)

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Coachella Valley Fringe-toed Lizard (Uma inornata)

Citation:

Home range dynamics of the Coachella Valley fringe-toed lizard

Author(s)
Horchar, Victor M.
Pages
61
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties Error
Home Range 45 average home range estimated using minimum convex polygon method (snout-vent length,0-50mm) m2 Female Hatchling 11 Whitewater Floodplain Reserve, Palm Springs Exposure Factor Datasets Riverside 11 (95CI)
Time of Torpor or Hibernation Nov. - Mar. Not Reported Not Reported Not Reported Whitewater Floodplain Reserve, Palm Springs Exposure Factor Datasets Riverside
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
Citation:

Feeding time strategies of the fringe-toed lizard, Uma inornata during breeding and non-breeding seasons

Author(s)
Durtsche, Richard D.
Pages
85-89
Year
Issue
1
Volume
89
Exposure Endpoint Type Endpoint Value Sex Life Cycle Stage Sample Size Location Type California Counties
Time of Torpor or Hibernation Oct. - Mar. Not Reported Not Reported Not Reported Whitewater Floodplain Reserve, Palm Springs Exposure Factor Datasets Riverside
Citation:

Reproduction in the sand-dwelling lizard Uma inornata

Author(s)
Mayhew, Wilbur W.
Pages
39-55
Year
Issue
1
Volume
21
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Clutch or Litter Size 2.8 eggs/clutch Female Adult 61 Coachella Valley Exposure Factor Datasets Riverside
Time of Mating/ Laying Apr. - Aug. time of breeding Both Male and Female Adult Not Reported Coachella Valley Exposure Factor Datasets Riverside
Citation:

Effects of reduction in windblown sand on the abundance of the fringe-toed lizard (Uma inornata) in the Coachella Valley, California

Author(s)
Turner, Frederick B., Donald C. Weaver and James C. Rorabaugh
Pages
370-378
Year
Issue
2
Volume
1984
Exposure Endpoint Type Units Sex Life Cycle Stage Sample Size Location Type California Counties
Population Density #/ha Not Reported Not Reported 0-43 animals/10 plots (2.25 ha) Palm Springs, Indio 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:

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 Age-Specific Condition Error
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
Age at Sexual Maturity 2.5 yr Male Adult Not Reported Santa Barbara Island Exposure Factor Datasets 0.2 SE
Age at Sexual Maturity 2.9 yr Female Adult Not Reported Santa Barbara Island Exposure Factor Datasets 0.2 SE
Longevity 13.4 estimated from largest lizard (snout-vent length, 102.5 mm)and known growth rates yr Both Male and Female Adult Not Reported Santa Barbara Island Exposure Factor Datasets
Growth Rate 0.022 increase in snout-vent length (34-40 mm size class) mm/d Not Reported Not Reported Santa Barbara Island Exposure Factor Datasets 0.8 yr 0.002 SE
Growth Rate 0.046 increase in snout-vent length (40-50 mm size class) mm/d Not Reported Not Reported Santa Barbara Island Exposure Factor Datasets 1.3 yr 0.003 SE
Growth Rate 0.040 increase in snout-vent length (50-60 mm size class) mm/d Not Reported Not Reported Santa Barbara Island Exposure Factor Datasets 2.0 yr 0.003 SE
Growth Rate 0.018 increase in snout-vent length (70-80 mm size class) mm/d Not Reported Not Reported Santa Barbara Island Exposure Factor Datasets 4.5 yr 0.002 SE
Growth Rate 0.011 increase in snout-vent length (80-90 mm size class) mm/d Not Reported Not Reported Santa Barbara Island Exposure Factor Datasets 6.9 yr 0.002 SE
Growth Rate 0.005 increase in snout-vent length (90-100 mm size class) mm/d Not Reported Not Reported Santa Barbara Island Exposure Factor Datasets 12.4 yr 0.004 SE
Home Range 17.2 m2 Both Male and Female Adult 6 Santa Barbara Island Exposure Factor Datasets
Population Density #/ha Not Reported Not Reported Not Reported Santa Barbara Island Exposure Factor Datasets
Dietary Composition Animals, Araneida (15.4%); Crustacea (Isopoda) (50%); Hemiptera (7.7%); Homoptera (15.4%); Coleoptera (11.5%); Lepidoptera (11.5%); Diptera (11.5%); Hymenoptera (7.7%); Other insecta (23.1%); Other arthropoda (15.4%); Vertebrata (3.8%); Plants, Aizoaceae (3.8%); Chenopodiaceae (15.4%); Solanaceae (7.7%); Asteraceae (3.8%); Other plants (38.5%) % of samples with item in stomach contents % Not Reported Not Reported 26 Santa Barbara Island 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
Duration of Incubation or Gestation 14 wks Not Reported Embryo Not Reported San Clemente, San Nicolas and Santa Barbara Islands Exposure Factor Datasets
Time of Hatching or Parturition Sept. Not Reported Hatchling Not Reported San Clemente, San Nicolas and Santa Barbara Islands Exposure Factor Datasets
Time of Mating/ Laying Mar. - June time of breeding Both Male and Female Adult Not Reported San Clemente, San Nicolas and Santa Barbara Islands Exposure Factor Datasets
Citation:

Food habits of the island night lizard, Xantusia riversiana reticulata, from San Clemente Island

Author(s)
Schwenkmeyer, Richard C.
Pages
1-3
Year
Volume
38
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Dietary Composition Animal matter (68.8%), includes Arachnids (15.9%); Insects (50.4%); Crustaceans (2.6%); Plant matter (30.9%) % of total content of stomachs % Not Reported Not Reported 18 San Clemente Island Exposure Factor Datasets
Citation:

Ecology and energetics of the island night lizard, Xantusia riversiana, on San Clemente Island, California

Author(s)
Mautz, William J.
Pages
417-428
Publisher
Santa Barbara Museum of Natural History
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Age-Specific Error
Population Density 1458 #/ha Both Male and Female Both Adults and Juveniles 120 marked animals San Clemente Island Exposure Factor Datasets 103 SE
Growth Rate 0.05 increase in snout-vent length during 1st yr mm/d Both Male and Female 14 San Clemente Island Exposure Factor Datasets 0-1 yr
Growth Rate 0.03 increase in snout-vent length during 2nd yr mm/d Both Male and Female 12 San Clemente Island Exposure Factor Datasets 1-2 yr
Longevity oldest recorded individual yr Both Male and Female Adult Not Reported San Clemente Island Exposure Factor Datasets
Body Weight - Mean g Both Male and Female Adult Not Reported San Clemente Island Exposure Factor Datasets
Body Weight - Mean g Both Male and Female Neonate Not Reported San Clemente Island Exposure Factor Datasets
Citation:

The number of young of Xantusia

Author(s)
Brattstrom, Bayard H.
Pages
143-144
Year
Volume
7
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size determined by embryo count young/female Female Adult 4 San Nicolas Island Exposure Factor Datasets
Clutch or Litter Size determined by embryo count young/female Female Adult 5 San Clemente Island Exposure Factor Datasets
Citation:

The number of young found in the Island Night lizard

Author(s)
Amrein, Yost U. and Margaret B. Amrein
Pages
180
Year
Volume
1951
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size determined from fetus count young/female Female Adult 2 San Nicolas Island 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

Sideblotched Lizard (Uta stansburiana)

Citation:

Hormonal and physiological control of clutch size, egg size and egg shape in side-blotched lizards (Uta stansburiana): constraints on the evolution of lizard life histories

Author(s)
Sinervo, Barry and Paul Licht
Pages
252-264
Year
Volume
257
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Clutch or Litter Size 4.6 average clutch size eggs/female Female Adult 16 Corral Hollow Road Exposure Factor Datasets Contra Costa
Clutch or Litter Size 4.3 average clutch size eggs/female Female Adult 27 Del Puerto Canyon Road Exposure Factor Datasets Stanislaus
Clutch or Litter Size 6.3 average clutch size eggs/female Female Adult 35 Los Banos Creek, Billy Wright Road Exposure Factor Datasets Merced
Body Weight - Mean 0.42 average egg weight g Not Reported Embryo 12 Corral Hollow Road Exposure Factor Datasets Contra Costa
Body Weight - Mean 0.38 average egg weight g Not Reported Embryo 27 Del Puerto Canyon Road Exposure Factor Datasets Stanislaus
Body Weight - Mean 0.35 average egg weight g Not Reported Embryo 35 Los Banos Creek, Billy Wright Road Exposure Factor Datasets Merced
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
Population Density range of 3 yearly averages for 4 study sites #/ha Both Male and Female Both Adults and Juveniles Not Reported Rock Valley, Nye County Exposure Factor Datasets
Clutch or Litter Size range of average clutch sizes on 8 dates eggs/clutch Female Adult Not Reported Exposure Factor Datasets <12 mo
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:

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
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
Clutches or Litters per year at least 3 clutches/yr Female Adult Not Reported Exposure Factor Datasets
Duration of Incubation or Gestation time from egg laying to hatching d Both Male and Female Embryo Not Reported Exposure Factor Datasets
Time of Hatching or Parturition June - Oct. based on hatchling observations Not Reported Embryo Not Reported Exposure Factor Datasets
Growth Rate range of average male and female growth rates, based on increases in snout-vent length mm/d Both Male and Female Hatchling 418 - 496/sex Exposure Factor Datasets
Body Weight - Mean range of average egg weights for clutch sizes of 2-6. g Both Male and Female Embryo 1-28 clutches Exposure Factor Datasets
Growth Rate range of average male and female growth rates, based on increases in snout-vent length mm/d Both Male and Female Hatchling 35-72/sex Exposure Factor Datasets
Growth Rate range of average male and female growth rates, based on increases in snout-vent length (40-49 mm) mm/d Both Male and Female Adult 17-21/sex Exposure Factor Datasets
Population Density #/acre Both Male and Female Juvenile Not Reported Exposure Factor Datasets
Body Weight - Mean range of average weights for snout-vent length size classes of 20-45 mm g Male Juvenile 1-67 lizards/size class and date Exposure Factor Datasets
Body Weight - Mean range of average weights for snout-vent length size classes of 20-41 mm g Female Juvenile 1-88 lizards/size class and date Exposure Factor Datasets
Body Weight - Mean range of average weights for snout-vent length size classes of 46-57 mm g Male Adult 1-24 lizards/size class and date Exposure Factor Datasets
Body Weight - Mean range of average weights for snout-vent length size classes of 42-53 mm g Female Adult 1-29 lizards/size class and date Exposure Factor Datasets
Population Density range of densities over 2 yrs #/acre Both Male and Female Adult Not Reported Mesa County 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
Home Range 0.23 home range estimated using probability density function (95%) acre Female Adult Not Reported Mesa County Exposure Factor Datasets
Longevity 100 maximum longevity observed for marked hatchlings wks Not Reported Both Adults and Juveniles Not Reported Exposure Factor Datasets
Citation:

Oxygen consumption in the lizard Uta stansburiana

Author(s)
Roberts, Lou Anne
Pages
809-819
Year
Volume
49
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Condition Error Lab
Metabolic Rate 163 oxygen consumption measured at 30C mm3 O2/g/hr Not Reported Both Adults and Juveniles 4 Exposure Factor Datasets fasted 3d 13.2 SE Laboratory

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 Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Age at Sexual Maturity mo Both Male and Female Adult 1907 Palo Duro Canyon, Armstrong County (elev., 2000-3600 ft); Kermit , Winkler County and Monahans, Ward County (elev., 2800 ft) Exposure Factor Datasets
Time of Mating/ Laying Apr. - June time of breeding Both Male and Female Adult 1907 Palo Duro Canyon, Armstrong County (elev., 2000-3600 ft); Kermit , Winkler County and Monahans, Ward County (elev., 2800 ft) Exposure Factor Datasets
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

Gopher Snake (Pituophis catenifer formerly Pituophis melanoleucus)

Citation:

Ecology of a cottontail rabbit (Sylvilagus auduboni) population in central California

Author(s)
Fitch, Henry S.
Pages
159 - 184
Year
Volume
33
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Dietary Composition Cottontail (37.1%); Ground squirrel (27.9%); Woodrat (18.6%); Bird egg (5.3%); Gopher (4.0%); Other (7.1%) percentage of total prey weight palped from stomachs % Not Reported Not Reported 70 prey items San Joaquin Experimental Range Exposure Factor Datasets
Population Density 0.6 #/acre Not Reported Not Reported Not Reported San Joaquin Experimental Range Exposure Factor Datasets
Food Ingestion Rate 2 g/d Not Reported Not Reported Not Reported San Joaquin Experimental Range Exposure Factor Datasets

Desert Iguana (Dipsosaurus dorsalis)

Citation:

Notes on Dipsosaurus dorsalis in Arizona

Author(s)
Parker, William S.
Pages
226-229
Year
Volume
28
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Time of Torpor or Hibernation Sept. - Mar. Not Reported Adult Not Reported Phoenix South Mountain, Maricopa County Exposure Factor Datasets
Growth Rate 2.7 growth rate based on changes in snout-vent length (48-73 mm) mm/mo Not Reported Juvenile 22 Phoenix South Mountain, Maricopa County Exposure Factor Datasets
Population Density #/ha Not Reported Juvenile 11-20 Phoenix South Mountain, Maricopa County Exposure Factor Datasets
Age at Sexual Maturity 45 minimum adult size at first reproduction, estimated from growth rate mo Not Reported Adult 22 Phoenix South Mountain, Maricopa County 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

Western Skink (Eumeces skiltonianus)

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
Clutch or Litter Size 4.7 eggs/clutch Female Adult 6 Exposure Factor Datasets San Bernardino
Citation:

Clutch and egg size in several species of lizards from the desert southwest

Author(s)
Punzo, Fred
Pages
414-417
Year
Volume
16
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties Error
Clutch or Litter Size 4.7 based on oviducal egg counts eggs/clutch Female Adult 6 Exposure Factor Datasets San Bernardino
Body Weight - Mean 11.275 mean snout-vent length = 78.7mm g Female Adult 6 Exposure Factor Datasets San Bernardino 2.443SD
Body Weight - Mean 0.669 egg weight g Not Reported Embryo 6 Exposure Factor Datasets San Bernardino 0.042SD
Citation:

A taxonomic and ecological study of the western skink (Eumeces skiltonianus)

Author(s)
Tanner, Wilmer W.
Pages
59-94
Year
Volume
17
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Time of Mating/ Laying May-June time of breeding Both Male and Female Adult Not Reported Exposure Factor Datasets
Time of Hatching or Parturition July - Aug. Not Reported Hatchling Not Reported Exposure Factor Datasets
Clutch or Litter Size eggs/clutch Female Adult 8 clutches Exposure Factor Datasets
Age at Sexual Maturity 2 yrs Both Male and Female Adult Not Reported Exposure Factor Datasets

Giant Garter Snake (Thamnophis gigas)

Citation:

Thamnophis gigas (Giant Garter snake) reproduction

Author(s)
Hansen, Robert W. and George E. Hansen
Pages
93-94
Year
Volume
21
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type Lab
Clutch or Litter Size 23.1 eggs/clutch Female Adult 18 captured in Fresno and Sacramento counties, CA Exposure Factor Datasets Laboratory

San Francisco Garter Snake (Thamnophis sirtalis ssp. tetrataenia)

Citation:

Captive reproduction of the San Francisco garter snake, Thamnophis sirtalis tetrataenia

Author(s)
Cover, John F., Jr. and Donal M. Boyer
Pages
29-33
Year
Volume
19
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Lab
Duration of Incubation or Gestation d Female Adult 6 Dallas and Fort Worth Zoos, TX Exposure Factor Datasets Laboratory
Age at Sexual Maturity 1 yr, 273d yr,d Female Adult 1 Dallas and Ft. Worth Zoos Exposure Factor Datasets Laboratory
Body Weight - Mean range of means from 6 breedings g Not Reported Neonate 6 groups of young Dallas and Ft. Worth Zoos Exposure Factor Datasets Laboratory
Clutch or Litter Size 17 young/female Female Adult 6 Dallas and Ft. Worth Zoos Exposure Factor Datasets Laboratory
Body Weight - Mean g Male Adult 5 Dallas and Ft. Worth Zoos Exposure Factor Datasets Laboratory
Body Weight - Mean g Female Adult 6 Dallas and Ft. Worth Zoos Exposure Factor Datasets Laboratory
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
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