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Spermophilus beecheyi

Citation:

Multiple litters in the California ground squirrel, Spermophilus beecheyi fisheri, in Tulare county

Author(s)
Simpson, G. L., and T.K. Lamunyon
Pages
101-104
Year
Volume
9
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutches or Litters per year evidence for 2nd litter in 20% of reproductively active females 1 - 2 litters/yr Female Adult Coho creek Not Reported Exposure Factor Datasets
Citation:

Physiological correlates of burrow gas conditions in the California ground squirrel

Author(s)
Baudinette, R.V.
Pages
733-743
Year
Volume
48
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Metabolic Rate see citation figure of oxygen consumption at ambient temperatures (15-35C) ml O2/g/hr Not Reported Not Reported captured at University of California, Irvine 10/group Exposure Factor Datasets
Citation:

Latitude and litter size of the California ground squirrel, Spermophilus beecheyi

Author(s)
Chapman, Joseph A. and Gordon S. Lind
Pages
101-105
Year
Volume
72
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size range of means for 2 sites 5.46 - 6.44 young/litter Female Adult Douglas and Benton counties {lat., 43-44.5^oN] 9-13/site Exposure Factor Datasets
Citation:

An experimental study of dispersal in the California ground squirrel

Author(s)
Dobson, F. Stephen
Pages
1103-1109
Year
Volume
60
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Time of Migration or Dispersal June - Aug. dispersal of young Both Male and Female Juvenile Hastings Natural History Reservation Not Reported Exposure Factor Datasets
Citation:

Summer and autumn breeding of the California ground squirrel

Author(s)
Storer, Tracy I.
Pages
235-237
Year
Volume
11
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size range of means 5.5 - 8.1 embryos/female Female Adult Not Reported Exposure Factor Datasets

Charadrius nivosus ssp. nivosus

Citation:

Status and breeding biology of the snowy plover charadrius alexandrius in California

Author(s)
Page, Gary W. and Lynne E. Stenzel
Pages
38-39
Year
Volume
27
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Hatching Success 37 percent of eggs that hatched % Not Reported Hatchling Point Reyes 35 nests Exposure Factor Datasets
Fledging or Weaning Rate 2.0 number of young fledged per successful brood fledglings/brood Not Reported Fledgling Point Reyes 35 nests Exposure Factor Datasets
Citation:

Spacing out at Mono Lake: Breeding success, nest density, and predation in the snowy plover

Author(s)
Page, Gary W., Lynne E. Stenzel, David W. Winkler and Christopher W. Swarth
Pages
13-24
Year
Volume
100
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Time of Nesting April 18 to July 6 period between beginning of egg laying and observation of first fledgling for one year Both Male and Female Adult Mono Lake (elev. 1,940 m) Not Reported Exposure Factor Datasets
Duration of Incubation or Gestation 26.9 incubation period 25-32 d Both Male and Female Embryo Mono Lake (elev. 1,940 m) 9 nests Exposure Factor Datasets
Time of Mating/ Laying April 18 to July 15 period of time from beginning to end of egg laying for one year Female Adult Mono Lake (elev. 1,940 m) 9 nests Exposure Factor Datasets
Hatching Success range in percent of clutches hatching at least one chick (over 4 years) 39.5-68.2 % Not Reported Hatchling Mono Lake (elev. 1,940 m) Not Reported Exposure Factor Datasets
Fledging or Weaning Rate 1.64 number of chicks fledged per successful brood (for one year) fledglings/brood Not Reported Fledgling Mono Lake (elev. 1,940 m) 22 nests Exposure Factor Datasets
Clutches or Litters per year 2 number of clutches laid by 30 out of 81 total nesting females clutches/yr Female Adult Mono Lake (elev. 1,940 m) 81 nesting females Exposure Factor Datasets
Survival/ Mortality 0.778 minimum annual survival rates of marked individuals Male Adult Mono Lake (elev. 1,940 m) 18 birds Exposure Factor Datasets
Survival/ Mortality 0.743 minimum annual survival rate of marked individuals (2 years and both sexes pooled) Both Male and Female Adult Monterey Bay 101 birds Exposure Factor Datasets
Survival/ Mortality 0.643 minimum annual survival rate of marked individuals Not Reported Juvenile Point Reyes 14 birds Exposure Factor Datasets
Citation:

Mating system and reproductive success of a small population of polygamous snowy plovers

Author(s)
Warriner, John S., Jane C. Warriner, Gary W. Page and Lynne E. Stenzel
Pages
15-37
Year
Issue
1
Volume
98
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Time of Migration or Dispersal Mar 9 (females), Mar 24 (males) mean dates of spring migrant arrival to breeding grounds Both Male and Female Adult Pajaro River Mouth 44 males, 59 females Exposure Factor Datasets
Time of Mating/ Laying Mar 23 to Jul 13 period between onset and end of egg laying Female Adult Pajaro River Mouth 6-84 clutches laid/month Exposure Factor Datasets
Territory Size <0.5 defended nesting territory size on salt pan habitat ha Both Male and Female Adult Pajaro River Mouth Not Reported Exposure Factor Datasets
Clutch or Litter Size 3 most frequent clutch size 2-4 eggs/clutch Female Adult Pajaro River Mouth 171 nests Exposure Factor Datasets
Duration of Incubation or Gestation 27.4 average incubation period (measured from last egg laid to last egg hatched) 0.2 SE 26-32 d Both Male and Female Embryo Pajaro River Mouth 57 nests Exposure Factor Datasets
Time of Fledging or Metamorphosis 30.9 fledging period, measured from hatch to first flight of at least 3 m 29-33 d Not Reported Fledgling Pajaro River Mouth 22 birds Exposure Factor Datasets
Fledging or Weaning Rate 92.7 percent of 16 day old chicks that fledged % Not Reported Juvenile Pajaro River Mouth 124 birds Exposure Factor Datasets
Hatching Success 58.2 percent of clutches in which at least one egg hatched (over six years) % Not Reported Hatchling Pajaro River Mouth 189 nests Exposure Factor Datasets
Hatching Success 55.2 percent of all eggs that hatched (over 6 years) % Not Reported Hatchling Pajaro River Mouth 534 eggs Exposure Factor Datasets
Fledging or Weaning Rate percent of hatched chicks that fledged (over 6 years) 39-42 d Not Reported Fledgling Pajaro River Mouth 296 chicks Exposure Factor Datasets
Survival/ Mortality 78.6 percent annual survival % Male Adult Pajaro River Mouth 56 birds Exposure Factor Datasets
Survival/ Mortality 72.6 percent annual survival % Female Adult Pajaro River Mouth 73 birds Exposure Factor Datasets
Citation:

Aspects of the occurrence of shorebirds on a central California estuary

Author(s)
Page, Gary W., Lynne E. Stenzel and Claire M. Wolfe
Pages
15-32
Year
Volume
2
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Population Density 1.9 (fall), 3.4 (winter), 1.1 (spring) mean population density birds/ha Not Reported Not Reported Bolinas Lagoon, Point Reyes National Seashore 5 seasons censused Exposure Factor Datasets
Population Density 6.2 (fall), 19.2 (winter), 6.6 (spring) mean population density birds/ha Not Reported Not Reported Limantour Estero 10 seasons censused Exposure Factor Datasets
Citation:

Breeding biology of snowy plovers at Great Salt Lake, Utah

Author(s)
Paton, Peter W.C.
Pages
275
Year
Issue
2
Volume
107
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Time of Migration or Dispersal late Mar to mid Jun period of migrant arrival to breeding grounds Female Adult Great Salt Lake, Davis County 3 yrs data collection Exposure Factor Datasets
Time of Migration or Dispersal late Mar to May 31; Jul 1-15 peaks of migrant arrival to breeding grounds Male Adult Great Salt Lake, Davis County 3 yrs data collection Exposure Factor Datasets
Time of Mating/ Laying Apr 10-Jul 18 egg-laying period Female Adult Great Salt Lake, Davis County 3 yrs data collection Exposure Factor Datasets
Foraging Distance 177 median foraging distance from nest 25%-75% quartiles=64-466 up to 3770 m Female Adult Great Salt Lake, Davis County 192 observations Exposure Factor Datasets
Foraging Distance 272 median foraging distance from nest 25%-75% quartiles=110-580 up to 2030 m Male Adult Great Salt Lake, Davis County 266 observations Exposure Factor Datasets
Clutch or Litter Size 3 modal clutch size 2-5 eggs/clutch Female Adult Great Salt Lake, Davis County 327 clutches Exposure Factor Datasets

Citation:

Spacing out at Mono Lake: Breeding success, nest density, and predation in the snowy plover

Author(s)
Page, Gary W., Lynne E. Stenzel, David W. Winkler and Christopher W. Swarth
Pages
13-24
Year
Volume
100
Exposure Endpoint Type Endpoint Value Endpoint Description Location Sample Size Type
Survival/ Mortality 0.449 minimum annual survival rates of marked individuals Mono Lake (elev. 1,940 m) 49 birds Exposure Factor Datasets
Citation:

Mating system and reproductive success of a small population of polygamous snowy plovers

Author(s)
Warriner, John S., Jane C. Warriner, Gary W. Page and Lynne E. Stenzel
Pages
15-37
Year
Issue
1
Volume
98
Exposure Endpoint Type Endpoint Value Endpoint Description Type
Clutches or Litters per year 2 maximum number of broods attempted by individual birds within one breeding season Exposure Factor Datasets

Charadrius vociferus

Citation:

Aspects of the occurrence of shorebirds on a central California estuary

Author(s)
Page, Gary W., Lynne E. Stenzel and Claire M. Wolfe
Pages
15-32
Year
Volume
2
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Population Density 7.6 (fall), 15.4 (winter), 2.2 (spring) mean population density birds/ha Not Reported Not Reported Bolinas Lagoon, Point Reyes National Seashore 5 seasons censused Exposure Factor Datasets
Population Density 2.2 (fall), 1.8 (winter), 1.3 (spring) mean population density birds/ha Not Reported Not Reported Limantour Estero 10 seasons censused Exposure Factor Datasets
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