Species
Filter by Toxicity Endpoint Type
Filter by Exposure Endpoint Type
Filter by Chemical
Filter by Location
Citation:
Author(s)
Tollestrup, Kristine
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Growth Rate |
2.0 |
increase in snout-vent length |
mm/mo |
Male |
Adult |
Pixley National Wildlife Refuge, Delano and Kettleman Hills |
36 |
Exposure Factor Datasets |
Growth Rate |
0.7 |
increase in snout-vent length |
mm/mo |
Female |
Adult |
Pixley National Wildlife Refuge, Delano and Kettleman Hills |
38 |
Exposure Factor Datasets |
Citation:
Author(s)
United States Fish and Wildlife Service
Publisher
United States Fish and Wildlife Service, Region 1
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Sex |
Life Cycle Stage |
Sample Size |
Type |
Population Density |
review |
reported densities range from 0.10 - 3.4 lizards/acre (from unpublished reports) |
Not Reported |
Not Reported |
Not Reported |
Exposure Factor Datasets |
Citation:
Author(s)
Ivacic, Donald L. and Ronald F. Labisky
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Error |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Metabolic Rate |
1.11 |
mean oxygen consumption during the light period at 10 deg C |
0.29 SD |
ml O2/g bw/hr |
Male |
Both Adults and Juveniles |
captured at Dundee, IL |
6 |
Exposure Factor Datasets |
Metabolic Rate |
1.14 |
mean oxygen consumption during the light period at 10 deg C |
0.46 SD |
ml O2/g bw/hr |
Female |
Both Adults and Juveniles |
captured at Dundee, IL |
14 |
Exposure Factor Datasets |
Citation:
Author(s)
Howe, Frank P. and Lester D. Flake
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Population Density |
0.02 |
density of nests |
|
nests/ha |
Both Male and Female |
Adult |
Idaho National Engineering Laboratory |
15 plots |
Exposure Factor Datasets |
Fledging or Weaning Rate |
75% |
proportion of active nests that fledged young |
|
|
Both Male and Female |
Adult |
Idaho National Engineering Laboratory |
24 nests |
Exposure Factor Datasets |
Fledging or Weaning Rate |
|
mean number of fledglings per successful nest (over three years) |
1.7-2.0 |
|
Both Male and Female |
Adult |
Idaho National Engineering Laboratory |
5-7 nests/yr |
Exposure Factor Datasets |
Survival/ Mortality |
0.50 |
survival rate from incubation to fledging (26 days) |
|
|
Both Male and Female |
Nestling |
Idaho National Engineering Laboratory |
24 nests |
Exposure Factor Datasets |
Citation:
Author(s)
Holcomb, Larry C. and Michael Jaeger
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Growth Rate |
see figures |
growth rates of body weight, body length, wing, alar tract from hatching to fledging |
Both Male and Female |
Nestling |
Fremont and Waterloo areas |
53 nestlings |
Exposure Factor Datasets |
Time of Nesting |
April 20-September 20 |
period during which active nests were observed |
Both Male and Female |
Adult |
Fremont and Waterloo areas |
121 nests |
Exposure Factor Datasets |
Citation:
Author(s)
Horchar, Victor M.
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Error |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Home Range |
1070 |
average home range estimated using minimum convex polygon method (snout-vent length, 80+mm) |
228 (95CI) |
m2 |
Male |
Adult |
Whitewater Floodplain Reserve, Palm Springs |
25 |
Exposure Factor Datasets |
Home Range |
270 |
average home range estimated using minimum convex polygon method (snout-vent length, 51-79mm) |
58 (95CI) |
m2 |
Male |
Juvenile |
Whitewater Floodplain Reserve, Palm Springs |
20 |
Exposure Factor Datasets |
Home Range |
90 |
average home range estimated using minimum convex polygon method (snout-vent length, 0-50mm) |
58 (95CI) |
m2 |
Male |
Hatchling |
Whitewater Floodplain Reserve, Palm Springs |
9 |
Exposure Factor Datasets |
Home Range |
437 |
average home range estimated using minimum convex polygon method (snout-vent length, 70+mm) |
168 (95CI) |
m2 |
Female |
Adult |
Whitewater Floodplain Reserve, Palm Springs |
37 |
Exposure Factor Datasets |
Home Range |
146 |
average home range estimated using minimum convex polygon method (snout-vent length, 51-69mm) |
56 (95CI) |
m2 |
Female |
Juvenile |
Whitewater Floodplain Reserve, Palm Springs |
15 |
Exposure Factor Datasets |
Home Range |
45 |
average home range estimated using minimum convex polygon method (snout-vent length,0-50mm) |
11 (95CI) |
m2 |
Female |
Hatchling |
Whitewater Floodplain Reserve, Palm Springs |
11 |
Exposure Factor Datasets |
Time of Torpor or Hibernation |
Nov. - Mar. |
|
|
|
Not Reported |
Not Reported |
Whitewater Floodplain Reserve, Palm Springs |
Not Reported |
Exposure Factor Datasets |
Citation:
Author(s)
Durtsche, Richard D.
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
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 |
Whitewater Floodplain Reserve, Palm Springs |
23 |
Exposure Factor Datasets |
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 |
Whitewater Floodplain Reserve, Palm Springs |
13 |
Exposure Factor Datasets |
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 |
Whitewater Floodplain Reserve, Palm Springs |
17 |
Exposure Factor Datasets |
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:
Author(s)
Durtsche, Richard D.
Year
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:
Author(s)
Mayhew, Wilbur W.
Year
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:
Author(s)
Turner, Frederick B., Donald C. Weaver and James C. Rorabaugh
Year
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 |
Citation:
Author(s)
Brattstrom, Bayard H.
Year
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:
Author(s)
Fellers, Gary M. and Charles A. Drost
Year
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 |
Comment