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Dipsosaurus dorsalis

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 Range Units Sex Life Cycle Stage Location Sample Size Type
Food Ingestion Rate estimated feeding rate to support energy expenditure measured in field 19.1 - 28.5 mg dry food/g/d Not Reported Hatchling Thousand Palms 7-9/time period Exposure Factor Datasets
Time of Hatching or Parturition Aug. Not Reported Hatchling Thousand Palms Not Reported Exposure Factor Datasets
Growth Rate 0.0003 - .145 g/d Not Reported Hatchling Thousand Palms 5 - 52/sampling time Exposure Factor Datasets
Citation:

Reproduction in the desert lizard, Dipsosaurus dorsalis

Author(s)
Mayhew, Wilbur W.
Pages
57-77
Year
Issue
1
Volume
27
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Time of Mating/ Laying Apr. - July time of potential breeding based on testis volume Male Adult Dale Dry Lake, Palm Springs and Algodones Dunes 365 Exposure Factor Datasets
Clutches or Litters per year 1 clutch/yr Female Adult Dale Dry Lake, Palm Springs and Algodones Dunes Not Reported Exposure Factor Datasets
Clutch or Litter Size based on eggs in oviduct 3 - 5 eggs/clutch Female Adult Dale Dry Lake, Palm Springs and Algodones Dunes Not Reported Exposure Factor Datasets
Duration of Incubation or Gestation 75 time from egg to hatching d Not Reported Hatchling Dale Dry Lake, Palm Springs and Algodones Dunes Not Reported Exposure Factor Datasets
Time of Hatching or Parturition Aug. Not Reported Hatchling Dale Dry Lake, Palm Springs and Algodones Dunes Not Reported Exposure Factor Datasets
Age at Sexual Maturity > 4.5 yr Both Male and Female Adult Dale Dry Lake, Palm Springs and Algodones Dunes Not Reported Exposure Factor Datasets
Citation:

Diet, behavior and water turnover in the desert iguana, Dipsosaurus dorsalis

Author(s)
Minnich, John E. and Vaughan H. Shoemaker
Pages
496-509
Year
Volume
84
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition see citation figure of % of food item in diet, based on dry weight of stomach contents % Not Reported Not Reported Palm Desert and Thousand Palms 11-14/season or location Exposure Factor Datasets
Food Ingestion Rate 50 rate estimated from intake of preformed water and water content of food for animals maintaining weight on natural vegetation g fresh wt food//kg/d Not Reported Not Reported Palm Desert and Thousand Palms Not Reported Exposure Factor Datasets
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 Location Sample Size Type
Body Weight - Mean log weight = 0.010 SVL + 0.46 relationship between body weight (g) and snout-vent length (SVL, mm) g Female Adult Palm Desert Not Reported Exposure Factor Datasets
Body Weight - Mean log weight = 0.013 SVL + 0.24 relationship between body weight (g) and snout-vent length (SVL, mm) g Female Adult Palm Desert Not Reported Exposure Factor Datasets
Body Weight - Mean log weight = 0.011 SVL + 0.37 relationship between body weight (g) and snout-vent length (SVL, mm) g Male Adult Palm Desert Not Reported Exposure Factor Datasets
Body Weight - Mean log weight = 0.011 SVL + 0.46 relationship between body weight (g) and snout-vent length (SVL, mm) g Male Adult Palm Desert Not Reported Exposure Factor Datasets
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 Palm Desert Not Reported 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 Palm Desert Not Reported 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 Palm Desert Not Reported Exposure Factor Datasets
Citation:

Hibernation in the desert iguana, Dipsosaurus dorsalis

Author(s)
Moberly, Walter R.
Pages
152-160
Year
Volume
36
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Time of Torpor or Hibernation Oct. - Mar. Not Reported Not Reported Palm Springs 95 Exposure Factor Datasets
Metabolic Rate see citation figure of resting oxygen consumption in hibernating and non-hibernating lizards at several body temperatures cc O2/g/hr Not Reported Not Reported Palm Springs 60 Exposure Factor Datasets
Citation:

The ecology of the desert iguana Dipsosaurus dorsalis

Author(s)
Norris, Kenneth S.
Pages
265-287
Year
Volume
34
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 3 - 8 eggs/clutch Female Adult Not Reported Exposure Factor Datasets
Time of Hatching or Parturition Aug. Not Reported Hatchling Not Reported Exposure Factor Datasets
Time of Mating/ Laying Apr. - May time of breeding Both Male and Female Adult Not Reported Exposure Factor Datasets
Time of Mating/ Laying June - July time of laying Female Adult Not Reported Exposure Factor Datasets
Dietary Composition Plants: Larrea divaricata (85%); Animal: Fecal pellets (10%); Bees (trace); Sand (trace) % volume of total stomach contents % Not Reported Not Reported Coachella Valley 17 Exposure Factor Datasets
Dietary Composition Plants: Dicoria canescens (45%); Flower heads of composite (10%); Coldenia sp. (5%); Trifolium sp. (20%); Animal: Grasshoppers (5%); Dipsosaurus (5%); Fecal pellets (5%) % volume of total stomach contents % Not Reported Not Reported Coachella Valley 12 Exposure Factor Datasets
Dietary Composition Plants: Dicoria canescens (50%); Flower heads of composite (25%); Dalea emoryi ? (10%); Coldenia sp. (10%) % volume of total stomach contents % Not Reported Not Reported Coachella Valley 8 Exposure Factor Datasets
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 Range Units Sex Life Cycle Stage Location Sample Size Type
Time of Torpor or Hibernation Sept. - Mar. Not Reported Adult Phoenix South Mountain, Maricopa County Not Reported Exposure Factor Datasets
Growth Rate 2.7 growth rate based on changes in snout-vent length (48-73 mm) 0.0 - 5.1 mm/mo Not Reported Juvenile Phoenix South Mountain, Maricopa County 22 Exposure Factor Datasets
Population Density 11 - 20 #/ha Not Reported Juvenile Phoenix South Mountain, Maricopa County 11-20 Exposure Factor Datasets
Age at Sexual Maturity 45 minimum adult size at first reproduction, estimated from growth rate mo Not Reported Adult Phoenix South Mountain, Maricopa County 22 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 Type
Duration of Incubation or Gestation 86 incubation period at 28C d Not Reported Embryo 12 Exposure Factor Datasets
Duration of Incubation or Gestation 44 incubation period at 36C d Not Reported Embryo 60 Exposure Factor Datasets
Citation:

Dipsosaurus (Hallowell), Desert Iguana

Author(s)
Hulse, Arthur C.
Pages
1-6
Year
Volume
542
Exposure Endpoint Type Endpoint Value Sex Life Cycle Stage Sample Size Type
Metabolic Rate review Not Reported Not Reported Not Reported Exposure Factor Datasets
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