Species
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Citation:
Author(s)
Ohmart, R.D. and R.E. Tomlinson
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Dietary Composition |
shrimp (0.25%), water beetle (56.50%), dragonfly nymphs (0.50%), damselfly nymphs (2.00%), leech (3.75%), unident. fish (31.75%) |
dietary item occurence by volume in stomach contents |
Not Reported |
Adult |
Colorado Delta |
4 stomachs |
Exposure Factor Datasets |
Citation:
Author(s)
Conway, Courtney J., William R. Eddlemen, Stanley H. Anderson and Louis R. Hanebury
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Home Range |
24 |
mean home range size |
ha |
Not Reported |
Adult |
lower Colorado River Valley |
6 birds |
Exposure Factor Datasets |
Home Range |
8 |
mean home range size |
ha |
Not Reported |
Adult |
lower Colorado River Valley |
5 birds |
Exposure Factor Datasets |
Home Range |
7 |
mean home range size |
ha |
Not Reported |
Adult |
lower Colorado River Valley |
18 birds |
Exposure Factor Datasets |
Home Range |
15 |
mean home range size |
ha |
Not Reported |
Adult |
lower Colorado River Valley |
16 birds |
Exposure Factor Datasets |
Home Range |
9 |
mean home range size |
ha |
Not Reported |
Adult |
lower Colorado River Valley |
4 birds |
Exposure Factor Datasets |
Citation:
Author(s)
Turkowski, Frank J.
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Dietary Composition |
Grasses (37.9%); Forbs (41.3%); Shrubs (20.8%) |
% total dietary bulk (volume), estimated from stomach contents |
|
% |
Not Reported |
Not Reported |
Sugarloaf Mountain, Maricopa County (elev., 850m) |
97 |
Exposure Factor Datasets |
Clutch or Litter Size |
3.7 |
|
2 - 6 |
young/litter |
Female |
Adult |
Sugarloaf Mountain, Maricopa County (elev., 850m) |
Not Reported |
Exposure Factor Datasets |
Citation:
Author(s)
Zucca, Joseph J.
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Population Density |
|
range of mean population densities |
0.98-1.21 |
birds/acre |
Not Reported |
Not Reported |
Dumbarton Bridge Marsh |
1 marsh |
Exposure Factor Datasets |
Time of Nesting |
April |
beginning of nesting |
|
|
Not Reported |
Not Reported |
Dumbarton Bridge Marsh |
1 marsh |
Exposure Factor Datasets |
Clutch or Litter Size |
7.22 |
mean clutch size |
5-9 |
|
Not Reported |
Not Reported |
Dumbarton Bridge Marsh |
27 nests |
Exposure Factor Datasets |
Duration of Incubation or Gestation |
|
estimated incubation period in field |
23-27 |
d |
Not Reported |
Not Reported |
Dumbarton Bridge Marsh |
3 nests |
Exposure Factor Datasets |
Citation:
Author(s)
Gill, Robert Jr.
Year
Exposure Endpoint Type |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Population Density |
range of mean densities |
0.3-1.6 |
birds/ha |
Both Male and Female |
Adult |
San Francisco Bay |
5 sites |
Exposure Factor Datasets |
Population Density |
range of mean densities |
0.1-1.1 |
birds/ha |
Both Male and Female |
Adult |
San Francisco Bay |
5 sites |
Exposure Factor Datasets |
Citation:
Author(s)
Parker, William S.
Year
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:
Year
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:
Author(s)
Larsen, Caryla J.
Publisher
California Department of Fish and Game, Nongame Bird and Mammal Section Report
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Sex |
Life Cycle Stage |
Sample Size |
Type |
Duration of Incubation or Gestation |
review |
reported gestation period was 27 d (data source unspecified) |
Female |
Adult |
Not Reported |
Exposure Factor Datasets |
Citation:
Author(s)
Hoddenbach, Gerard A. and Frederick B. Turner
Year
Exposure Endpoint Type |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Clutch or Litter Size |
range of monthly means for 2 size classes measured over 3 yrs. |
2.4 - 4.5 |
eggs/clutch |
Female |
Adult |
Rock Valley, Nye County |
3 - 95 clutches/mo |
Exposure Factor Datasets |
Citation:
Author(s)
Roberts, Lou Anne
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Error |
Units |
Sex |
Life Cycle Stage |
Sample Size |
Type |
Metabolic Rate |
163 |
oxygen consumption measured at 30C |
13.2 SE |
mm3 O2/g/hr |
Not Reported |
Both Adults and Juveniles |
4 |
Exposure Factor Datasets |
Citation:
Author(s)
Massey, Barbara W., Richard Zembal and Paul D. Jorgensen
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Error |
Range |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Clutch or Litter Size |
6.55 |
mean clutch size (1 year) |
0.19 SE |
5-8 |
Female |
Adult |
Tijuana Marsh, Upper Newport and Anaheim Bays |
33 nests |
Exposure Factor Datasets |
Hatching Success |
81% |
proportion of nests in which at least one egg hatched |
|
|
Both Male and Female |
Hatchling |
Tijuana Marsh, Upper Newport and Anaheim Bays |
130 nests |
Exposure Factor Datasets |
Citation:
Author(s)
Jameson, David L.
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Growth Rate |
|
range of average increase in snout-vent length for 7 size classes (snout vent length; 28.0 - 35.9 mm) |
4.20 - 10.80 |
mm/yr |
Not Reported |
Adult |
Washington County |
13 - 52 |
Exposure Factor Datasets |
Survival/ Mortality |
13.3 |
% surviving their first year |
|
% |
Not Reported |
Juvenile |
Washington County |
15 |
Exposure Factor Datasets |
Age at Sexual Maturity |
8 |
|
|
mo |
Not Reported |
Adult |
Washington County |
Not Reported |
Exposure Factor Datasets |
Survival/ Mortality |
11 |
% surviving one year |
|
% |
Not Reported |
Adult |
Washington County |
373 |
Exposure Factor Datasets |
Growth Rate |
2 |
increase in snout-vent length |
|
mm/wk |
Not Reported |
Juvenile |
Washington County |
30 |
Exposure Factor Datasets |
Citation:
Author(s)
DeLong, R. L., G.A. Antonelis, C.W. Oliver, B.S. Stewart, M.S. Lowry and P.K. Yochem
Publisher
Springer Verlag
Year
Exposure Endpoint Type |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Body Weight - Mean |
range of mean weights taken over 5 yrs at 2 sites |
13.1 - 19.6 |
kg |
Female |
Pup |
San Miguel and San Clemente Islands |
41 - 151/yr |
Exposure Factor Datasets |
Citation:
Author(s)
Antonelis, George A., Clifford H. Fiscus and Robert L. DeLong
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Dietary Composition |
Pacific whiting (48.7%); market squid (46.7%); juvenile rockfish (35.9%); northern anchovy (20.0%); red octopus (9.7%); jack mackerel (4.6%); nail squid (4.6%); squid (4.1%);chub mackerel (3.6%); Pacific pompano (2.5%); California lantern fish (2.5%) |
% occurrence of major prey (>1%) in scats |
% |
Both Male and Female |
Both Adults and Juveniles |
San Miguel Island |
224 scats |
Exposure Factor Datasets |
Citation:
Author(s)
Boness, D. J., O. T. Oftedal,and K. A. Ono
Publisher
Springer Verlag
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Error |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Body Weight - Mean |
8.4 |
mean size neonate ; pre El Nino 1982 |
0.146 SE |
kg |
Not Reported |
Neonate |
San Nicolas Island |
39 neonates |
Exposure Factor Datasets |
Body Weight - Mean |
8.1 |
mean weight; El Nino 1983 |
0.163 SE |
kg |
Not Reported |
Neonate |
San Nicolas Island |
31 neonates |
Exposure Factor Datasets |
Body Weight - Mean |
8.2 |
mean weight, post el Nino 1984 |
0.229 SE |
kg |
Not Reported |
Neonate |
San Nicolas Island |
16 neonates |
Exposure Factor Datasets |
Body Weight - Mean |
8.6 |
mean weight; 2 years post el Nino (1985) |
0.227 SE |
kg |
Not Reported |
Neonate |
San Nicolas Island |
16 neonates |
Exposure Factor Datasets |
Growth Rate |
0.132 |
pre-el Nino; 0-2 months |
0.007 SE |
kg/d |
Not Reported |
Pup |
San Nicolas Island |
32 |
Exposure Factor Datasets |
Growth Rate |
0.101 |
pups 0-2 months old; El Nino 1983; |
0.007 SE |
kg/d |
Not Reported |
Pup |
San Nicolas Island |
30 |
Exposure Factor Datasets |
Growth Rate |
0.125 |
post el Nino 1984 |
0.007SE |
kg/d |
Not Reported |
Pup |
San Nicolas Island |
32 |
Exposure Factor Datasets |
Growth Rate |
0.130 |
2 years post el nino (1985); 0-2 months |
0.006 SE |
kg/d |
Not Reported |
Pup |
San Nicolas Island |
38 |
Exposure Factor Datasets |
Comment