Western Fence Lizard (Sceloporus occidentalis)

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Western Fence Lizard (Sceloporus occidentalis)

Citation:

Energy expenditure in free-ranging lizards

Author(s)
Bennett, Albert F. and Kenneth A. Nagy
Pages
697-700
Year
Volume
58
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Condition Error
Clutch or Litter Size 8.2 eggs/clutch Female Adult Not Reported Ecology Research Area, University of California, Los Angeles Exposure Factor Datasets
Body Weight - Mean 11.9 g Both Male and Female Adult 11 Ecology Research Area, University of California, Los Angeles Exposure Factor Datasets 0.6SE
Body Weight - Mean 4.4 g Not Reported Juvenile 5 Ecology Research Area, University of California, Los Angeles Exposure Factor Datasets 0.5SE
Body Weight - Mean 11.5 g Both Male and Female Adult 20 Ecology Research Area, University of California, Los Angeles Exposure Factor Datasets 0.4SE
Metabolic Rate 0.220 field metabolic rate estimated by carbon dioxide production, using doubly labelled water ml CO2/g/hr Both Male and Female Adult 11 Ecology Research Area, University of California, Los Angeles Exposure Factor Datasets reproductively active 0.019SE
Metabolic Rate 0.198 field metabolic rate estimated by carbon dioxide production, using doubly labelled water ml CO2/g/hr Both Male and Female Adult 11 Ecology Research Area, University of California, Los Angeles Exposure Factor Datasets reproductively inactive 0.034SE
Metabolic Rate 0.035 resting metabolic rate at 18.5C, estimated as carbon dioxide production rate ml CO2/g/hr Both Male and Female Adult 11 Ecology Research Area, University of California, Los Angeles Exposure Factor Datasets reproductively active 0.002SE
Metabolic Rate 0.052 resting metabolic rate at 18.5C, estimated as carbon dioxide production rate ml CO2/g/hr Not Reported Juvenile 4 Ecology Research Area, University of California, Los Angeles Exposure Factor Datasets 0.012SE
Metabolic Rate 0.185 resting metabolic rate at 35C, estimated as carbon dioxide production rate ml CO2/g/hr Both Male and Female Adult 11 Ecology Research Area, University of California, Los Angeles Exposure Factor Datasets reproductively active 0.015SE
Metabolic Rate 0.300 resting metabolic rate at 35C, estimated as carbon dioxide production rate ml CO2/g/hr Not Reported Juvenile 4 Ecology Research Area, University of California, Los Angeles Exposure Factor Datasets 0.052SE
Metabolic Rate 0.192 resting metabolic rate at 35C, estimated as carbon dioxide production rate ml CO2/g/hr Both Male and Female Adult 19 Ecology Research Area, University of California, Los Angeles Exposure Factor Datasets reproductively inactive 0.017SE
Metabolic Rate 0.049 resting metabolic rate at 20C, estimated as carbon dioxide production rate ml CO2/g/hr Both Male and Female Adult 11 Ecology Research Area, University of California, Los Angeles Exposure Factor Datasets reproductively inactive 0.006SE
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 Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Time of Mating/ Laying Apr. (begin) time of mating Both Male and Female Adult Not Reported yellow pine forest, central Sierra Nevada (elev., 1500m) Exposure Factor Datasets
Time of Torpor or Hibernation Sept. - May or June Both Male and Female Both Adults and Juveniles Not Reported red fir forest, Donner Summit, central Sierra Nevada (elev., 2200m) Exposure Factor Datasets
Time of Mating/ Laying June - July time of laying Both Male and Female Adult Not Reported central Sierra Nevada (elev., 1500 or 2200m) Exposure Factor Datasets
Time of Hatching or Parturition Aug. - Oct. time of hatching Both Male and Female Hatchling Not Reported central Sierra Nevada (elev., 1500 or 2200m) Exposure Factor Datasets
Clutches or Litters per year clutches/yr Female Adult Not Reported central Sierra Nevada (elev., 1500 or 2200m) Exposure Factor Datasets
Age at Sexual Maturity 20 mo Both Male and Female Adult Not Reported central Sierra Nevada (elev., 1500 or 2200m) Exposure Factor Datasets
Time of Mating/ Laying May-June (begin) time of mating Both Male and Female Adult Not Reported central Sierra Nevada (elev., 2200m) Exposure Factor Datasets
Body Fat (total or %) see citation figure of seasonal changes in total body fat Both Male and Female Adult 9-44 animals/mo central Sierra Nevada (elev., 1500 or 2200m) Exposure Factor Datasets
Duration of Incubation or Gestation 53 d Both Male and Female Embryo Not Reported yellow pine forest, central Sierra Nevada (elev., 2200m) Exposure Factor Datasets
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
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
Food Ingestion Rate 213 mean measured stomach content fresh weight of lizards averaging 9.6 g mg Male Not Reported 295 valley grassland (elev., 150m), central Sierra Nevada Exposure Factor Datasets 130SD
Food Ingestion Rate 249 mean measured stomach content fresh weight of lizard averaging 8.1 g mg Female Not Reported 194 valley grassland (elev., 150m), central Sierra Nevada Exposure Factor Datasets 180SD
Food Ingestion Rate 223 mean measured stomach content fresh weight of lizard averaging 11.3 g mg Male Not Reported 256 animals yellow pine forest (elev., 1500m), central Sierra Nevada Exposure Factor Datasets 171SD
Food Ingestion Rate 219 mean measured stomach content fresh weight of lizard averaging 8.6 g mg Female Not Reported 184 animals yellow pine forest (elev., 1500m), central Sierra Nevada Exposure Factor Datasets 182SD
Food Ingestion Rate SCW = 0.46(BW)^0.63 equation relating stomach content fresh weight (SCW; mg) to body weight (BW; g) mg Both Male and Female Not Reported 920 animals yellow pine forest (elev., 1500m) and valley grassland (elev., 150m), central Sierra Nevada Exposure Factor Datasets
Food Ingestion Rate 127 estimated average stomach content fresh weight in 5 g lizard mg Both Male and Female Not Reported Not Reported central Sierra Nevada (elev., 150m and 1500m) Exposure Factor Datasets
Food Ingestion Rate 245 estimated average stomach content fresh weight in a 15 g lizard mg Both Male and Female Not Reported Not Reported central Sierra Nevada (elev., 150m and 1500m) Exposure Factor Datasets
Body Weight - Mean 9.64 mean snout-vent length = 66.35mm g Male Not Reported 295 animals valley grassland (elev., 150m), central Sierra Nevada Exposure Factor Datasets 3.95SD
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
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
Growth Rate see citation figure of relationship between mass-specific growth rate and hatchling mass g/d Not Reported Hatchling Not Reported Exposure Factor Datasets Laboratory
Citation:

Relation of oxygen consumption to body weight, temperature, and temperature acclimation in lizards Uta stansburiana and Sceloporus occidentalis

Author(s)
Dawson, William R. and George A. Bartholomew
Pages
40-51
Year
Volume
29
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Lab
Metabolic Rate OC = 0.52W^0.54 equation relating resting oxygen consumption (OC) to body weight (W, g) at 20C cc O2/g/hr Not Reported Not Reported 2-5/weight group Exposure Factor Datasets Laboratory
Metabolic Rate OC = 1.17W^0.64 equation relating resting oxygen consumption (OC) to body weight (W, g) at 30C cc O2/g/hr Not Reported Not Reported 2-5/weight group Exposure Factor Datasets Laboratory
Metabolic Rate OC = 1.66W^0.57 equation relating resting oxygen consumption (OC) to body weight (W, g) at 35C cc O2/g/hr Not Reported Not Reported 2-5/weight group Exposure Factor Datasets Laboratory
Metabolic Rate OC = 1.76W^0.68 equation relating resting oxygen consumption (OC) to body weight (W, g) at 40C cc O2/g/hr Not Reported Not Reported 2-5/weight group Exposure Factor Datasets Laboratory
Citation:

Seasonal profiles of standard metabolic rate of lizards (Sceloporus occidentalis) in relation to latitude

Author(s)
Tsuji, Joyce S.
Pages
230-240
Year
Issue
3
Volume
61
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Lab
Body Weight - Mean range of means for 6 monthly sampling periods; mean snout-vent length range, 68.5 - 76.8 mm g Male Adult 7-12 animals/month Chatsworth [lat., 34^o25' N] Exposure Factor Datasets
Metabolic Rate range of means of whole animal standard metabolic rate estimated by oxygen consumption at 10C for 6 monthly measurements on lizards captured less than 3 d ml O2/hr Male Adult 7-12 animals/month captured at Chatsworth [lat., 34^o25' N] Exposure Factor Datasets Laboratory
Metabolic Rate range of means of whole body standard metabolic rate estimated by oxygen consumption at 16C for 6 monthly measurements on lizards captured less than 3 d ml O2/hr Male Adult 7-12 animals/month captured at Chatsworth [lat., 34^o25' N] Exposure Factor Datasets Laboratory
Metabolic Rate range of means of whole-body standard metabolic rate estimated by oxygen consumption at 35C for 6 monthly measurements on lizards captured less than 3 d ml O2/hr Male Adult 7-12 animals/month captured at Chatsworth [lat., 34^o25' N] Exposure Factor Datasets Laboratory
Citation:

Habitat preference and the distribution of Uta stansburiana and Sceloporus occidentalis in coastal California

Author(s)
Davis, John and Nicholaas A. M. Verbeek
Pages
643-649
Year
Volume
1972
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type California Counties
Time of Torpor or Hibernation Nov-Dec. (begin) Not Reported Both Adults and Juveniles Not Reported Hastings Reservation, Carmel Valley Exposure Factor Datasets Monterey
Age at Sexual Maturity 22-23 mo Both Male and Female Adult Not Reported Hastings Reservation, Carmel Valley Exposure Factor Datasets Monterey
Citation:

A field study of the growth and behavior of the fence lizard

Author(s)
Fitch, Henry S.
Pages
151-172
Year
Volume
44
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Time of Hatching or Parturition July - Sept. Not Reported Hatchling 93 Strawberry Canyon, Berkeley Hills Exposure Factor Datasets
Time of Torpor or Hibernation Nov. - Mar. Not Reported Both Adults and Juveniles 93 Strawberry Canyon, Berkeley Hills Exposure Factor Datasets
Clutch or Litter Size 13.7 estimated by number of developing ova eggs/clutch Female Adult 7 Strawberry Canyon, Berkeley Hills Exposure Factor Datasets
Longevity 6 oldest tagged individual yr Not Reported Adult 93 Strawberry Canyon, Berkeley Hills Exposure Factor Datasets
Clutches or Litters per year 1 clutches/yr Female Adult 93 Strawberry Canyon, Berkeley Hills Exposure Factor Datasets
Citation:

Respiratory changes during attempted induced hibernation in Sceloporus occidentalis in San Diego County, California

Author(s)
Mazzarella, Daral B.
Pages
310-314
Year
Issue
2
Volume
1976
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Body Weight - Mean g Not Reported Not Reported 60 U.S. International University Campus Exposure Factor Datasets San Diego
Metabolic Rate 0.24 oxygen consumption measured in laboratory at 23C on newly caught (1 wk) lizards cc O2/g/hr Not Reported Not Reported 20 U.S. International University Campus Exposure Factor Datasets San Diego
Citation:

Sceloporus occidentalis (baird and Girard), Western fence lizard

Author(s)
Bell, Edwin L. and Andrew H. Price
Pages
1-17
Year
Volume
631
Exposure Endpoint Type Endpoint Value Sex Life Cycle Stage Sample Size Location Type
Dietary Composition review Not Reported Not Reported Not Reported Exposure Factor Datasets
Citation:

Growth and size of the Western Fence lizard (Sceloporus occidentalis)

Author(s)
Davis, John
Pages
721-731
Year
Volume
1967
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties Condition
Time of Hatching or Parturition July - Sept. Both Male and Female Hatchling Not Reported Hastings Reservation Exposure Factor Datasets Monterey
Growth Rate range of mean winter daily growth rates estimated by changes in snout-vent length for 2 years; snout-vent length range, 35.1 - 37.3 mm mm/d Male Juvenile 7-10 animals/yr Hastings Reservation Exposure Factor Datasets Monterey
Growth Rate range of mean winter daily growth rates estimated by changes in snout-vent length for 2 years; snout-vent length range, 33.0 - 36.5 mm mm/d Female Juvenile 6-14 animals/yr Hastings Reservation Exposure Factor Datasets Monterey
Clutch or Litter Size CS = 0.261(SVL) - 10 regression equation relating clutch size(CS) to female snout-vent length (SVL; mm) eggs/clutch Female Adult 27 Hastings Reservation Exposure Factor Datasets Monterey
Body Weight - Mean BW = 4.44 - 0.31(SVL) + 0.0062(SVL)^2 equation relating body weight (BW; g) to snout-vent length (SVL; 20 - 80mm) g Male Both Adults and Juveniles 101 Hastings Reservation Exposure Factor Datasets Monterey
Body Weight - Mean BW = 2.72 - 0.21(SVL) + 0.0049(SVL)^2 equation relating body weight (BW; g) to snout-vent length (SVL; mm) g Female Both Adults and Juveniles 58 Hastings Reservation Exposure Factor Datasets Monterey non-breeding
Citation:

Observations on the food of three forest-dwelling lizards in California

Author(s)
Otvos, Imre S.
Pages
6-7
Year
Issue
1
Volume
8
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Dietary Composition Aranea (8%); Coleoptera (12%); Lepidoptera (80%) estimated percent of total volume of stomach contents % Not Reported Not Reported 3 Blodgett Research Forest (elev., 1250-1310m), Challenge (elev., 760-910m) and McCloud Flat, Shasta-Trinity Forest (elev., 1160m) Exposure Factor Datasets El Dorado, Siskiyou, Yuba
Citation:

Habitat and prey selection of Sceloporus occidentalis and Sceloporus graciosus

Author(s)
Rose, Barbara R.
Pages
531-541
Year
Volume
57
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type California Counties Error
Body Weight - Mean 14.4 g Not Reported Adult 56 Blackbird Valley (elev., 855-975m) and Foss Valley (elev., 436m) Exposure Factor Datasets Napa, Santa Clara 0.90SD
Citation:

Dietary overlap of Sceloporus occidentalis and S. graciosus

Author(s)
Rose, Barbara R.
Pages
818-820
Year
Volume
1976
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Dietary Composition Formicidae (34.8-34.1%); Coleoptera (18.1-26.4%); Isoptera (19.8-17.2%); Hemiptera-Homoptera (5.0-8.1%); Non-formicid Hymenoptera (5.6-6.5%); Diptera (0.5-1.4%); Orthoptera (1.7-2.6%); Odonata (0.0-0.3%); Dermaptera (0.0-1.3%); Insect larvae (2.8-4.8%); Isopoda (0.0-1.4%); Arancae (1.6-2.8%); Land snails (0.0-0.5%); Sceloporus hatchlings (0.0-0.1%) and Unknown (1.4-2.0%) percentage of total individuals of various prey taxa in stomach contents. % Not Reported Adult 45-47 animals/site Blackbird Valley and Foss Valley Exposure Factor Datasets Napa, Santa Clara
Citation:

Winter energy requirements of Sceloporus occidentalis in the Mojave desert

Author(s)
Bartlett, Peter
Pages
179-181
Year
Volume
55
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Condition
Time of Torpor or Hibernation Nov.-Mar. hibernation duration approximates 100 d Not Reported Both Adults and Juveniles >12 Victorville Exposure Factor Datasets
Metabolic Rate Log OC = 0.044T + 0.64 regression equation for oxygen consumption (OC in ul O2/g/hr; log base 10) at various temperatures (T, 0 - 15 C) ul O2/g/hr Not Reported Adult 5-8/temperature Victorville Exposure Factor Datasets hibernating
Metabolic Rate 20 oxygen consumption measured at 15C ul O2/g/hr Not Reported Adult 8 Victorville Exposure Factor Datasets hibernating
Body Weight - Mean 13.8 g Not Reported Adult 8 Victorville Exposure Factor Datasets hibernating
Citation:

Malarial parasitism and home range and social status of male western fence lizards, Sceloporus occidentalis

Author(s)
Schall, Jos. J. and Philip R. Houle
Pages
74-76
Year
Issue
1
Volume
26
Exposure Endpoint Type Units Sex Life Cycle Stage Sample Size Location Type Condition
Home Range m2 Male Adult 24 Hopland Field Station (160 km N of San Francisco) Exposure Factor Datasets breeding
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 Units Sex Life Cycle Stage Sample Size Location Type Age-Specific California Counties Lab
Growth Rate range of means of absolute growth rates g/d Both Male and Female Hatchling Not Reported Exposure Factor Datasets 3 d to 3 wks Laboratory
Body Weight - Mean range of means g Both Male and Female Hatchling 52 - 73 Exposure Factor Datasets 3 d Laboratory
Time of Hatching or Parturition see citation figure Both Male and Female Hatchling 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
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:

Food habits of seven species of lizards from Malheur county, southeastern Oregon

Author(s)
Whitaker, John O. Jr. and Chris Maser
Pages
202-208
Year
Issue
3
Volume
55
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Dietary Composition Orthoptera (52.1%); Coleoptera (18.1%); Hymenoptera (10.6%); Hemiptera (2.0%); Homoptera (0.1%); Lepidoptera (5.5%); Araneida (2.7%) % volume in stomach contents % Not Reported Not Reported 39 Owyhee Upland Province Exposure Factor Datasets
Citation:

Seasonal changes in oxygen consumption and body composition of Scleporus occidentalis

Author(s)
Heusner, A.A. and E.W. Jameson, Jr.
Pages
363-372
Year
Volume
69
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Metabolic Rate OC = 0.23(BW)^0.67 equation for relating resting oxygen consumption (OC; ml O2/hr) to body mass (BW; g) @ 25C ml O2/g/hr Both Male and Female Adult 154 animals Sierra Nevada (elev., 150 and 1500 m) Exposure Factor Datasets
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
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 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

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
Clutch or Litter Size CS = 0.378SVL - 17.04 regression equation relating clutch size (CS; # eggs/oviduct) to snout-vent length (SVL, mm) of female. eggs/clutch Female Adult 49 Puente Hills and San Gabriel River, Whittier Exposure Factor Datasets Los Angeles
Clutch or Litter Size eggs/clutch Female Adult 49 Puente Hills and San Gabriel River, Whittier Exposure Factor Datasets Los Angeles
Clutches or Litters per year 1-3 clutches/yr Female Adult 118 Puente Hills and San Gabriel River, Whittier Exposure Factor Datasets Los Angeles
Time of Mating/ Laying Apr. - July time of mating and laying Female Adult 118 Puente Hills and San Gabriel River, Whittier Exposure Factor Datasets Los Angeles
Time of Hatching or Parturition July - Oct. based on presence of hatchlings at study sites Not Reported Hatchling Not Reported Puente Hills and San Gabriel River, Whittier Exposure Factor Datasets Los Angeles
Duration of Incubation or Gestation 13 wks Not Reported Embryo Not Reported Puente Hills and San Gabriel River, Whittier Exposure Factor Datasets Los Angeles
Age at Sexual Maturity 1-2 yrs Female Adult Not Reported Puente Hills and San Gabriel River, Whittier Exposure Factor Datasets Los Angeles
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 Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties Error
Clutch or Litter Size 7.23 eggs/clutch Female Adult 43 Puente Hills, Whittier (elev., 150 m) Exposure Factor Datasets Los Angeles 3.30SD
Clutch or Litter Size 8.70 eggs/clutch Female Adult 41 San Gabriel Mountains, Crystal Lake (elev., 1584 m) Exposure Factor Datasets Los Angeles 2.0 SD
Time of Hatching or Parturition July Not Reported Hatchling Not Reported Puente Hills, Whittier (elev., 150 m) Exposure Factor Datasets Los Angeles
Time of Hatching or Parturition Aug. Not Reported Hatchling Not Reported San Gabriel Mountains, Crystal Lake (elev., 1584 m) Exposure Factor Datasets Los Angeles
Body Weight - Mean 15.3 average snout-vent length = 75mm g Not Reported Adult Not Reported San Gabriel Mountains, Crystal Lake (elev., 1584 m) Exposure Factor Datasets Los Angeles
Body Weight - Mean 11.1 average snout-vent length = 67mm g Not Reported Adult Not Reported Puente Hills, Whittier (elev., 150 m) Exposure Factor Datasets Los Angeles
Time of Torpor or Hibernation Nov.-Feb. Not Reported Adult Not Reported Puente Hills, Whittier (elev., 150 m) Exposure Factor Datasets Los Angeles
Time of Torpor or Hibernation Nov. - Mar. Not Reported Adult Not Reported San Gabriel Mountains, Crystal Lake (elev., 1584 m) Exposure Factor Datasets Los Angeles
Clutches or Litters per year 1-3 clutches/yr Female Adult Not Reported Puente Hills, Whittier (elev., 150 m) Exposure Factor Datasets Los Angeles

Northwestern Fence Lizard (Sceloporus occidentalis ssp. occidentalis)

Citation:

Home range in the western fence lizard (Sceloporus occidentalis occidentalis)

Author(s)
Davis, John and R. Glenn Ford
Pages
933-940
Year
Issue
4
Volume
1983
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Age-Specific California Counties Condition
Home Range 131.92 home range reported as minimum area probability (0.95 level); minimum area which will contain a given proportion (95%) of the total observations of the average individual m2 Male 36 animals Hastings Natural History Reservation, Carmel Valley Exposure Factor Datasets 1 yr Monterey nonbreeding
Home Range 76.50 home range reported as minimum area probability (0.95 level); minimum area which will contain a given proportion (95%) of the total observations of the average individual m2 Female 37 animals Hastings Natural History Reservation, Carmel Valley Exposure Factor Datasets 1 yr Monterey nonbreeding
Home Range 71.40 home range reported as minimum area probability (0.95 level); minimum area which will contain a given proportion (95%) of the total observations of the average individual m2 Male Adult 11 animals Hastings Natural History Reservation, Carmel Valley Exposure Factor Datasets 2+ yr Monterey breeding
Home Range 51.26 home range reported as minimum area probability (0.95 level); minimum area which will contain a given proportion (95%) of the total observations of the average individual m2 Female Adult 28 animals Hastings Natural History Reservation, Carmel Valley Exposure Factor Datasets 2+ yr Monterey breeding
Home Range 73.10 home range reported as minimum area probability (0.95 level); minimum area which will contain a given proportion (95%) of the total observations of the average individual m2 Male Adult 14 animals Hastings Natural History Reservation, Carmel Valley Exposure Factor Datasets 2+ yr Monterey nonbreeding
Home Range 61.20 home range reported as minimum area probability (0.95 level); minimum area which will contain a given proportion (95%) of the total observations of the average individual m2 Female Adult 10 animals Hastings Natural History Reservation, Carmel Valley Exposure Factor Datasets 2+ yr Monterey nonbreeding
Home Range 49.98 home range reported as minimum area probability (0.95 level); minimum area which will contain a given proportion (95%) of the total observations of the average individual m2 Male Juvenile 87 animals Hastings Natural History Reservation, Carmel Valley Exposure Factor Datasets < 1yr Monterey
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
Citation:

The times of mating and oviposition of the western fence lizard, Sceloporus occidentalis occidentalis

Author(s)
Davis, John
Pages
102
Year
Issue
1
Volume
14
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type California Counties
Time of Hatching or Parturition July - Sept. time when hatchlings appeared at study site Not Reported Hatchling Not Reported Hastings Reservation, Carmel Valley (elev., 550m) Exposure Factor Datasets Monterey
Time of Mating/ Laying May - July time of laying, estimated from assumed incubation period of 60d Female Adult Not Reported Hastings Reservation, Carmel Valley (elev., 550m) Exposure Factor Datasets Monterey
Time of Mating/ Laying Apr. - June time of mating, based on observations of copulation and courtship behavior Both Male and Female Adult Not Reported Hastings Reservation, Carmel Valley (elev., 550m) Exposure Factor Datasets Monterey
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