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Citation:
Author(s)
Eisenberg, John F. and Donald E. Isaac
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Units |
Sex |
Life Cycle Stage |
Sample Size |
Type |
Duration of Incubation or Gestation |
32 |
|
d |
Female |
Adult |
2 |
Exposure Factor Datasets |
Body Weight - Mean |
see citation |
figure of changes in weight over time |
g |
Not Reported |
Juvenile |
Not Reported |
Exposure Factor Datasets |
Age at Sexual Maturity |
84 |
earliest age of conception |
d |
Female |
Adult |
Not Reported |
Exposure Factor Datasets |
Citation:
Author(s)
Hulbert, A.J. and Richard E. MacMillen
Year
Exposure Endpoint Type |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Body Weight - Mean |
range of means of initial weights for 3 experimental groups |
9.33 - 9.45 |
g |
Not Reported |
Not Reported |
captured at Joshua Tree, San Bernadino County, CA |
9/group |
Exposure Factor Datasets |
Citation:
Author(s)
Kenagy, G. J. and George A. Bartholomew
Year
Exposure Endpoint Type |
Endpoint Value |
Error |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Time of Torpor or Hibernation |
Sept. - Mar. or Apr. |
|
|
|
Not Reported |
Adult |
Owens Valley, Big Pine (lat., 37^o11'N) |
Not Reported |
Exposure Factor Datasets |
Time of Mating/ Laying |
Apr. - May |
|
|
|
Both Male and Female |
Adult |
Owens Valley, Big Pine (lat., 37^o11'N) |
Not Reported |
Exposure Factor Datasets |
Body Weight - Mean |
7.2 |
0.7 SD |
|
g |
Male |
Adult |
Owens Valley, Big Pine (lat., 37^o11'N) |
66 |
Exposure Factor Datasets |
Body Weight - Mean |
7.3 |
1.1 SD |
|
g |
Female |
Adult |
Owens Valley, Big Pine (lat., 37^o11'N) |
67 |
Exposure Factor Datasets |
Clutch or Litter Size |
4.75 |
0.77 SD |
4 - 6 |
pups/litter |
Female |
Adult |
Owens Valley, Big Pine (lat., 37^o11'N) |
16 |
Exposure Factor Datasets |
Body Weight - Mean |
0.5 |
|
|
g |
Not Reported |
Neonate |
Owens Valley, Big Pine (lat., 37^o11'N) |
Not Reported |
Exposure Factor Datasets |
Citation:
Author(s)
Jones, Thomas W.
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Home Range |
61.5 |
median lifetime distance moved from home range center (from first to last capture) |
m |
Male |
Juvenile |
Portal |
16 |
Exposure Factor Datasets |
Home Range |
50.0 |
median lifetime distance moved from home range center (from first to last capture) |
m |
Female |
Adult |
Portal |
16 |
Exposure Factor Datasets |
Home Range |
7413 |
estimated via minimum convex polygon method |
m2 |
Male |
Adult |
Portal |
5 |
Exposure Factor Datasets |
Home Range |
2644 |
estimated via minimum convex polygon method |
m2 |
Female |
Adult |
Portal |
4 |
Exposure Factor Datasets |
Citation:
Author(s)
Kenagy, G. J. and George A. Bartholomew
Year
Exposure Endpoint Type |
Endpoint Value |
Error |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Body Weight - Mean |
36.2 |
3.7 SD |
|
g |
Male |
Adult |
Owens Valley, Big Pine (lat., 37^o11'N) |
162 |
Exposure Factor Datasets |
Time of Hatching or Parturition |
Feb. - June |
|
|
|
Female |
Adult |
Owens Valley, Big Pine (lat., 37^o11'N) |
Not Reported |
Exposure Factor Datasets |
Duration of Incubation or Gestation |
4 |
|
|
wk |
Female |
Adult |
Owens Valley, Big Pine (lat., 37^o11'N) |
Not Reported |
Exposure Factor Datasets |
Clutch or Litter Size |
2.46 |
0.72 SD |
2 - 5 |
pups/itter |
Female |
Adult |
Owens Valley, Big Pine (lat., 37^o11'N) |
Not Reported |
Exposure Factor Datasets |
Time of Torpor or Hibernation |
none |
|
|
|
Female |
Adult |
Owens Valley, Big Pine (lat., 37^o11'N) |
Not Reported |
Exposure Factor Datasets |
Time of Mating/ Laying |
Jan. - June |
|
|
|
Both Male and Female |
Adult |
Owens Valley, Big Pine (lat., 37^o11'N) |
Not Reported |
Exposure Factor Datasets |
Age at Sexual Maturity |
1 |
|
|
yr |
Male |
Adult |
Owens Valley, Big Pine (lat., 37^o11'N) |
Not Reported |
Exposure Factor Datasets |
Citation:
Author(s)
Springer, Mark A.
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Growth Rate |
0.1900 |
growth constant based on logistic growth equation |
Female |
Nestling |
Delaware County |
1 owl |
Exposure Factor Datasets |
Citation:
Author(s)
Mader, William J.
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Time of Mating/ Laying |
February (peak), March (end) |
egg laying dates |
|
|
Female |
Adult |
Pima and Pinal Counties |
16 nests |
Exposure Factor Datasets |
Clutch or Litter Size |
2.5 |
mean clutch size |
2-4 |
eggs/clutch |
Female |
Adult |
Pima and Pinal Counties |
16 nests |
Exposure Factor Datasets |
Fledging or Weaning Rate |
1.1 |
rate of production of young at least 4 weeks old |
|
young/nest |
Not Reported |
Nestling |
Pima and Pinal Counties |
16 nests |
Exposure Factor Datasets |
Fledging or Weaning Rate |
9/16 |
fraction of nests that sucessfully raised at least one nestling to the age of 4 weeks |
|
successful nests/total nests |
Both Male and Female |
Adult |
Pima and Pinal Counties |
16 nests |
Exposure Factor Datasets |
Citation:
Publisher
U.S. Fish and Wildlife Service
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Error |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Clutch or Litter Size |
3.0 |
average clutch size |
0.56 |
2-4 |
eggs/clutch |
Female |
Adult |
Hanford Site, Benton and Franklin Counties |
12 nests |
Exposure Factor Datasets |
Hatching Success |
2.67 |
average number of young hatched |
1.09 |
|
hatches/nest |
Not Reported |
Nestling |
Hanford Site, Benton and Franklin Counties |
12 nests |
Exposure Factor Datasets |
Fledging or Weaning Rate |
2.67 |
average number of young fledged |
1.09 |
|
fledglings/nest |
Not Reported |
Fledgling |
Hanford Site, Benton and Franklin Counties |
12 nests |
Exposure Factor Datasets |
Population Density |
|
range of numbers of nesting pairs counted annually on a 1476 sq km study site |
|
3-5 |
pairs/study site |
Both Male and Female |
Adult |
Hanford Site, Benton and Franklin Counties |
4 years |
Exposure Factor Datasets |
Population Density |
|
range of numbers of individual owls counted annually on a 1476 sq km study site |
|
11-19 |
individuals/study site |
Both Male and Female |
Adult |
Hanford Site, Benton and Franklin Counties |
4 years |
Exposure Factor Datasets |
Citation:
Publisher
U.S. Fish and Wildlife Service
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Error |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Fledging or Weaning Rate |
4.0 |
average number of young fledged |
0.41 |
fledges/nest |
Not Reported |
Fledgling |
Hanford Site, Benton and Franklin Counties |
4 nests |
Exposure Factor Datasets |
Population Density |
10 |
number of nesting pairs counted annually on study site |
|
pairs/1476 sq km |
Both Male and Female |
Adult |
Hanford Site, Benton and Franklin Counties |
4 years |
Exposure Factor Datasets |
Population Density |
20 |
number of individual kestrels counted annually on study site |
|
individuals/1476 sq km |
Both Male and Female |
Adult |
Hanford Site, Benton and Franklin Counties |
4 years |
Exposure Factor Datasets |
Citation:
Author(s)
Royall, W.C., Jr., and O.E. Bray
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Range |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Home Range |
|
range of home range size based on telemetry location data |
48-101 |
ha |
Not Reported |
Adult |
Lakewood, Jefferson County |
4 birds, 20-99 radio fixes per bird |
Exposure Factor Datasets |
Foraging Distance |
|
range of distances between night roost location and the following day's locations |
0-1.4 |
km |
Not Reported |
Adult |
Lakewood, Jefferson County |
4 birds, 20-99 radio fixes per bird |
Exposure Factor Datasets |
Body Weight - Mean |
140 |
average body weight at time of capture |
131-144 |
g |
Not Reported |
Adult |
Lakewood, Jefferson County |
4 birds |
Exposure Factor Datasets |
Citation:
Author(s)
Duyck, Bill E. and Douglas B. McNair
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Units |
Sex |
Life Cycle Stage |
Location |
Sample Size |
Type |
Clutch or Litter Size |
8 |
first clutch size |
eggs/clutch |
Female |
Adult |
Asheville, Buncombe County |
1 nest |
Exposure Factor Datasets |
Duration of Incubation or Gestation |
11 |
incubation period |
d |
Not Reported |
Embryo |
Asheville, Buncombe County |
1 nest |
Exposure Factor Datasets |
Citation:
Author(s)
Koenig, Walter D.
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Units |
Sex |
Life Cycle Stage |
Sample Size |
Type |
Clutch or Litter Size |
4.20 |
average size of clutches existing in North American oological collections |
eggs/clutch |
Female |
Adult |
57 clutches |
Exposure Factor Datasets |
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