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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 Location Sample Size Type
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 Whitewater Floodplain Reserve, Palm Springs 17 Exposure Factor Datasets
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 Location Sample Size Type
Time of Torpor or Hibernation Oct. - Mar. Not Reported Not Reported Whitewater Floodplain Reserve, Palm Springs Not Reported Exposure Factor Datasets
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 Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 2.8 1-6 eggs/clutch Female Adult Coachella Valley 61 Exposure Factor Datasets
Time of Mating/ Laying Apr. - Aug. time of breeding Both Male and Female Adult Coachella Valley Not Reported Exposure Factor Datasets
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 Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density 0 - 45 #/ha Not Reported Not Reported Palm Springs, Indio 0-43 animals/10 plots (2.25 ha) Exposure Factor Datasets

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 Location Sample Size 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 San Nicolas, Santa Barbara and San Clemente Islands 91 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 Error Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean range of average male and average female weights 14.1 - 17.3 g Both Male and Female Adult Santa Barbara Island 258 Exposure Factor Datasets
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 Santa Barbara Island 792 Exposure Factor Datasets
Age at Sexual Maturity 2.5 0.2 SE yr Male Adult Santa Barbara Island Not Reported Exposure Factor Datasets
Age at Sexual Maturity 2.9 0.2 SE yr Female Adult Santa Barbara Island Not Reported Exposure Factor Datasets
Longevity 13.4 estimated from largest lizard (snout-vent length, 102.5 mm)and known growth rates yr Both Male and Female Adult Santa Barbara Island Not Reported Exposure Factor Datasets
Growth Rate 0.022 increase in snout-vent length (34-40 mm size class) 0.002 SE mm/d Not Reported Santa Barbara Island Not Reported Exposure Factor Datasets
Growth Rate 0.046 increase in snout-vent length (40-50 mm size class) 0.003 SE mm/d Not Reported Santa Barbara Island Not Reported Exposure Factor Datasets
Growth Rate 0.040 increase in snout-vent length (50-60 mm size class) 0.003 SE mm/d Not Reported Santa Barbara Island Not Reported Exposure Factor Datasets
Growth Rate 0.030 increase in snout-vent length (60-70 mm size class) 0.002 SE mm/d Not Reported Santa Barbara Island Not Reported Exposure Factor Datasets
Growth Rate 0.018 increase in snout-vent length (70-80 mm size class) 0.002 SE mm/d Not Reported Santa Barbara Island Not Reported Exposure Factor Datasets
Growth Rate 0.011 increase in snout-vent length (80-90 mm size class) 0.002 SE mm/d Not Reported Santa Barbara Island Not Reported Exposure Factor Datasets
Growth Rate 0.005 increase in snout-vent length (90-100 mm size class) 0.004 SE mm/d Not Reported Santa Barbara Island Not Reported Exposure Factor Datasets
Home Range 17.2 6.6 - 29.0 m2 Both Male and Female Adult Santa Barbara Island 6 Exposure Factor Datasets
Population Density 1665 - 3213 #/ha Not Reported Not Reported Santa Barbara Island Not Reported 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 Santa Barbara Island 26 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 Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 1.01 g Not Reported Hatchling San Clemente, San Nicolas and Santa Barbara Islands 15 Exposure Factor Datasets
Clutch or Litter Size range of average number of young produced/female at 3 sites 3.50 - 4.55 young/female Female Adult San Clemente, San Nicolas and Santa Barbara Islands 2-25 Exposure Factor Datasets
Age at Sexual Maturity 3 - 4 yr Both Male and Female Adult San Clemente, San Nicolas and Santa Barbara Islands Not Reported Exposure Factor Datasets
Duration of Incubation or Gestation 14 wks Not Reported Embryo San Clemente, San Nicolas and Santa Barbara Islands Not Reported Exposure Factor Datasets
Time of Hatching or Parturition Sept. Not Reported Hatchling San Clemente, San Nicolas and Santa Barbara Islands Not Reported Exposure Factor Datasets
Time of Mating/ Laying Mar. - June time of breeding Both Male and Female Adult San Clemente, San Nicolas and Santa Barbara Islands Not Reported 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 Location Sample Size 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 San Clemente Island 18 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 Error Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density 1458 103 SE #/ha Both Male and Female Both Adults and Juveniles San Clemente Island 120 marked animals Exposure Factor Datasets
Growth Rate 0.05 increase in snout-vent length during 1st yr mm/d Both Male and Female San Clemente Island 14 Exposure Factor Datasets
Growth Rate 0.03 increase in snout-vent length during 2nd yr mm/d Both Male and Female San Clemente Island 12 Exposure Factor Datasets
Longevity oldest recorded individual 12 - 13 yr Both Male and Female Adult San Clemente Island Not Reported Exposure Factor Datasets
Body Weight - Mean 11.6 - 14.8 g Both Male and Female Adult San Clemente Island Not Reported Exposure Factor Datasets
Body Weight - Mean 1.2 - 2.7 g Both Male and Female Neonate San Clemente Island Not Reported 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 Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size determined by embryo count 6 - 9 young/female Female Adult San Nicolas Island 4 Exposure Factor Datasets
Clutch or Litter Size determined by embryo count 4 - 6 young/female Female Adult San Clemente Island 5 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 Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size determined from fetus count 3 - 4 young/female Female Adult San Nicolas Island 2 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 Type
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
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

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 Location Sample Size Type
Clutch or Litter Size 4.6 average clutch size eggs/female Female Adult Corral Hollow Road 16 Exposure Factor Datasets
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