Species
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Citation:
Author(s)
Ingles, Lloyd G.
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Home Range |
up to 15 |
|
|
acres |
Male |
Adult |
Sacramento Valley, Durham |
11 |
Exposure Factor Datasets |
Home Range |
< 1 |
|
|
acre |
Female |
Adult |
Sacramento Valley, Durham |
10 |
Exposure Factor Datasets |
Body Weight - Mean |
951 |
|
|
g |
Female |
Adult |
Sacramento Valley, Durham |
9 measurements from 6 animals |
Exposure Factor Datasets |
Body Weight - Mean |
839 |
|
|
g |
Male |
Adult |
Sacramento Valley, Durham |
16 observations from 7 animals |
Exposure Factor Datasets |
Body Weight - Mean |
|
|
95 - 490 |
g |
Both Male and Female |
Juvenile |
Sacramento Valley, Durham |
9 observations from 8 animals |
Exposure Factor Datasets |
Age at Sexual Maturity |
|
reported as age at sexual maturity as lactation first observed |
6 - 9 |
mo |
Both Male and Female |
Adult |
Sacramento Valley, Durham |
Not Reported |
Exposure Factor Datasets |
Longevity |
19 |
longest life span recorded |
|
mo |
Both Male and Female |
Adult |
Sacramento Valley, Durham |
29 |
Exposure Factor Datasets |
Clutch or Litter Size |
3 |
|
1 - 5 |
young/litter |
Female |
Adult |
Sacramento Valley, Durham |
Not Reported |
Exposure Factor Datasets |
Time of Mating/ Laying |
Jan. - Dec. |
time of breeding |
|
|
Both Male and Female |
Adult |
Sacramento Valley, Durham |
Not Reported |
Exposure Factor Datasets |
Citation:
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Sample Size |
Type |
Time of Mating/ Laying |
Dec. - June |
time of breeding |
|
|
Both Male and Female |
Adult |
Not Reported |
Exposure Factor Datasets |
Clutch or Litter Size |
3.6 |
|
2 - 6 |
young/litter |
Female |
Adult |
19 |
Exposure Factor Datasets |
Clutches or Litters per year |
>2 |
|
|
litters/yr |
Female |
Adult |
Not Reported |
Exposure Factor Datasets |
Citation:
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Sample Size |
Type |
Age at Sexual Maturity |
|
maturity based on presence of adult pelage |
4 - 5 |
mo |
Both Male and Female |
Adult |
Not Reported |
Exposure Factor Datasets |
Clutch or Litter Size |
3.5 |
|
2 - 6 |
young/litter |
Female |
Adult |
11 |
Exposure Factor Datasets |
Citation:
Author(s)
Schreiber, Ralph W.
Year
Exposure Endpoint Type |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Food Ingestion Rate |
percent of body weight consumed daily during maintenance of adult weight |
16-18% |
|
Not Reported |
Both Adults and Juveniles |
Tarpon Key |
4 birds |
Exposure Factor Datasets |
Body Weight - Mean |
body weight of captive adult |
3,300-3,500 |
g |
Not Reported |
Adult |
Tarpon Key |
1 bird |
Exposure Factor Datasets |
Citation:
Author(s)
Briggs, Kenneth T., Wm. Breck Tyler, David B. Lewis, Paul R. Kelly and Donald A. Croll
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Error |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Time of Migration or Dispersal |
early to mid-summer |
time of northward movement from southern breeding areas |
|
|
Both Male and Female |
Both Adults and Juveniles |
northern and central coast |
3 years |
Exposure Factor Datasets |
Population Density |
0.23 |
mean density at sea off central and northern coast |
0.23 SE |
birds/km^2 |
Both Male and Female |
Both Adults and Juveniles |
central and northern coast |
3 years |
Exposure Factor Datasets |
Citation:
Author(s)
Schitoskey, Frank, Jr. and Sarah R. Woodmansee
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Error |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Metabolic Rate |
0.75 |
resting oxygen consumption at 25-28C |
0.21 SE |
ml O2/g/ h |
Both Male and Female |
Adult |
captured at San Joaquin Experimental Range |
26 |
Exposure Factor Datasets |
Citation:
Author(s)
Fitch, Henry S.
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Food Ingestion Rate |
22.5 |
|
12.4 - 31.1 |
g dry wheat/squirrel x day |
Both Male and Female |
Both Adults and Juveniles |
|
9 animals |
Exposure Factor Datasets |
Body Weight - Mean |
|
range of monthly mean weights over 4 yrs |
483.8 - 552.5 |
g |
Female |
Adult |
San Joaquin Experimental Range |
5 - 58/mo |
Exposure Factor Datasets |
Body Weight - Mean |
|
range of monthly mean weights over 4 yrs |
560 - 764.8 |
g |
Male |
Adult |
San Joaquin Experimental Range |
4 - 63/mo |
Exposure Factor Datasets |
Body Weight - Mean |
8.9 |
weight at birth |
|
g |
Not Reported |
Juvenile |
|
6 litters (42 animals) |
Exposure Factor Datasets |
Population Density |
2.3 |
five year average |
|
#/acre |
Both Male and Female |
Adult |
San Joaquin Experimental Range |
275 |
Exposure Factor Datasets |
Body Weight - Mean |
100 |
weight of young at first appearance above ground |
|
g |
Not Reported |
Juvenile |
San Joaquin Experimental Range |
Not Reported |
Exposure Factor Datasets |
Citation:
Author(s)
Simpson, G. L., and T.K. Lamunyon
Year
Exposure Endpoint Type |
Endpoint Value |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Clutch or Litter Size |
|
8.5 - 9.7 |
embryos/female |
Female |
Adult |
Coho creek |
Not Reported |
Exposure Factor Datasets |
Time of Mating/ Laying |
Feb. - Apr. |
|
|
Both Male and Female |
Adult |
Coho creek |
Not Reported |
Exposure Factor Datasets |
Citation:
Author(s)
Holekamp, Kay E. and Scott Nunes
Year
Exposure Endpoint Type |
Endpoint Value |
Error |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Clutch or Litter Size |
6.7 |
0.3 SE |
|
young/litter |
Female |
Adult |
University of California, Santa Cruz Campus ( elev., 120 m) [lat., 37^0W; long., 122^oW] |
26 |
Exposure Factor Datasets |
Clutch or Litter Size |
7.9 |
0.3 SE |
|
young/litter |
Female |
Adult |
University of California, Santa Cruz Campus ( elev., 120 m) [lat., 37^0W; long., 122^oW] |
47 |
Exposure Factor Datasets |
Body Weight - Mean |
526 |
6 SE |
|
g |
Female |
Adult |
University of California, Santa Cruz Campus ( elev., 120 m) [lat., 37^0W; long., 122^oW] |
233 |
Exposure Factor Datasets |
Body Weight - Mean |
589 |
|
12 SE |
g |
Female |
Adult |
University of California, Santa Cruz Campus ( elev., 120 m) [lat., 37^0W; long., 122^oW] |
41 |
Exposure Factor Datasets |
Body Weight - Mean |
571 |
|
6 SE |
g |
Female |
Adult |
University of California, Santa Cruz Campus ( elev., 120 m) [lat., 37^0W; long., 122^oW] |
100 |
Exposure Factor Datasets |
Body Weight - Mean |
814 |
|
22 SE |
|
Male |
Adult |
University of California, Santa Cruz Campus ( elev., 120 m) [lat., 37^0W; long., 122^oW] |
56 |
Exposure Factor Datasets |
Body Weight - Mean |
707 |
|
5 SE |
g |
Male |
Adult |
University of California, Santa Cruz Campus ( elev., 120 m) [lat., 37^0W; long., 122^oW] |
306 |
Exposure Factor Datasets |
Citation:
Author(s)
Boellstorff, Diane E. and Donald H. Owings
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Home Range |
|
range of means for 2 yrs |
615 - 902 |
m2 |
Female |
Adult |
Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] |
0-12/yr |
Exposure Factor Datasets |
Home Range |
|
range of means for 2 yrs |
313.3 - 375.9 |
m2 |
Male |
Adult |
Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] |
11/yr |
Exposure Factor Datasets |
Home Range |
309.3 |
|
41.4 SE |
m2 |
Male |
Adult |
Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] |
21 |
Exposure Factor Datasets |
Home Range |
270 |
|
41.2 SE |
m2 |
Male |
Adult |
Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] |
12 |
Exposure Factor Datasets |
Population Density |
|
range of means for 2 yrs |
70.4 - 92.5 |
#/ha |
Both Male and Female |
Adult |
Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] |
Not Reported |
Exposure Factor Datasets |
Citation:
Author(s)
Dobson, F. Stephen and David E. Davis
Year
Exposure Endpoint Type |
Endpoint Value |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Age at Sexual Maturity |
9-10 |
mo |
Both Male and Female |
Juvenile |
Santa Barbara; Bell Ranch; Hastings Reservation |
Not Reported |
Exposure Factor Datasets |
Comment