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Falco sparverius

Citation:

A study and implications of habitat separation by sex of wintering American kestrels (Falco sparverius)

Author(s)
Meyer, Ruthe Lashe and Thomas G. Balgooyen
Pages
107-123
Year
Volume
6
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Territory Size 31.6 10.7 SD 18.7-42.0 ha Female Adult Hollister Basin (elev. 48-210 m) 5 Exposure Factor Datasets
Territory Size 13.1 2.0 SD 9.7-14.8 ha Male Adult Hollister Basin (elev. 48-210 m) 5 Exposure Factor Datasets
Dietary Composition invertebrates (173.8), reptiles (23.0), birds (481.0), mammals (609.5) amount of prey taken by prey weight g Female Adult Hollister Basin (elev. 48-210 m) 5 Exposure Factor Datasets
Dietary Composition invertebrates (157.5), reptiles (0), birds (272.4), mammals (221.8) amount of prey taken by prey weight g Male Adult Hollister Basin (elev. 48-210 m) 5 Exposure Factor Datasets
Citation:

A winter population study of the American kestrel in central Ohio

Author(s)
Mills, G. Scott
Pages
241-247
Year
Volume
87
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Territory Size 1.4 average diameter of territories km Both Male and Female Adult southcentral area, agricultural lands 16 Exposure Factor Datasets
Population Density 17-27 individuals per 52 km^2 Both Male and Female Adult southcentral area, agricultural lands Not Reported Exposure Factor Datasets
Citation:

Reproductive patterns in captive American kestrels (sparrow hawks)

Author(s)
Porter, Richard D. and Stanley N. Wiemeyer
Pages
46-53
Year
Volume
74
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Sample Size Type
Duration of Incubation or Gestation 27 mean number of days between 5th egg laid and 5th egg hatched 0.58 SE 26-28 d Both Male and Female Embryo 3 eggs Exposure Factor Datasets
Time of Mating/ Laying March-May period of laying Female Adult Not Reported Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning 28.4 mean nestling period 26-32 d Both Male and Female Fledgling 29 chicks Exposure Factor Datasets
Citation:

Notes on the American sparrow hawk

Author(s)
Roest, A.I.
Pages
1-19
Year
Issue
1
Volume
74
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 102.5 80.0-143.0 g Male Adult throughout USA 88 Exposure Factor Datasets
Body Weight - Mean 119.0 86.0-164.8 g Female Adult throughout USA 72 Exposure Factor Datasets
Time of Molt July-October/November period of molt Both Male and Female Adult throughout USA Not Reported Exposure Factor Datasets
Survival/ Mortality 57 average annual mortality of banded individuals (over 6 years) % Both Male and Female Both Adults and Juveniles throughout USA Not Reported Exposure Factor Datasets
Citation:

Prey selection and caloric ingestion rate of captive American kestrels

Author(s)
Barrett, Gary W. and Mackey, Carl V.
Pages
514-519
Year
Issue
4
Volume
87
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Type
Food Ingestion Rate 0.42 mean caloric consumption per g body weight per day (wet weight basis) kcal/g/day Male Adult 2 Exposure Factor Datasets
Citation:

Fall migration of diurnal raptors at Pt. Diablo, California

Author(s)
Binford, Laurence C.
Pages
1-16
Year
Issue
1
Volume
10
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Time of Migration or Dispersal August (begin), October (peak), November (end) time period of fall migration Both Male and Female Not Reported Pt. Diablo, Marin Headlands 276 Exposure Factor Datasets
Citation:

Seasonal variation in body weight of sparrow hawks in California

Author(s)
Bloom, Peter H.
Pages
17-19
Year
Issue
2
Volume
48
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 110.7 mean body weight measured over 4 years 1.1 SE 105.6-112.1 g Male Both Adults and Juveniles coastal southern CA 69 Exposure Factor Datasets
Body Weight - Mean 119.8 mean body weight measured over 4 years 0.9 SE 117.4-123.9 g Female Both Adults and Juveniles coastal southern CA 111 Exposure Factor Datasets
Citation:

Nest box use and reproductive biology of the American kestrel in Lassen County, California

Author(s)
Bloom, Peter H. and Stephen J. Hawks
Pages
9-14
Year
Issue
1
Volume
17
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Age at Fledging, Metamorphosis, Weaning 28-30 d Both Male and Female Fledgling Great Basin (elev. 1260-2340 m) 112 Exposure Factor Datasets
Clutch or Litter Size 4.3 3.5-4.9 eggs/clutch Female Adult Great Basin (1260-2340 m) 38 clutches Exposure Factor Datasets
Fledging or Weaning Rate 3.7 2.5-4.6 fledged/successful nest Both Male and Female Fledgling Great Basin (1260-2340 m) 30 nests Exposure Factor Datasets
Fledging or Weaning Rate 3.1 2.5-3.6 fledged/active nest Both Male and Female Fledgling Great Basin (1260-2340 m) 36 nests Exposure Factor Datasets
Time of Mating/ Laying May 22 median date of laying May 6 - June 26 Female Adult Great Basin (elev. 1260-2340 m) 27 pairs Exposure Factor Datasets
Time of Hatching or Parturition June 21 median hatching date June 7- July 26 Both Male and Female Hatchling Great Basin (elev. 1260-2340 m) 27 pairs Exposure Factor Datasets
Time of Fledging or Metamorphosis July 29 median fledging date July 5 - August 25 Both Male and Female Fledgling Great Basin (elev. 1260-2340 m) 27 pairs Exposure Factor Datasets
Citation:

Diet, capture success, and mode of hunting by female American kestrels in winter

Author(s)
Collopy, Michael W. and James R. Koplin
Pages
369-371
Year
Volume
85
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Dietary Composition invertebrates (10.5%), herpetofauna (2.4%), mammals (79.1%), birds (8.0%) dietary composition (% of total biomass), 1972-1973 Female Not Reported Arcata Bottoms 4 Exposure Factor Datasets
Dietary Composition invertebrates (39.3%), herpetofauna (37.9%), mammals (22.8%) dietary composition (% of total biomass), 1973-1974 Female Not Reported Arcata Bottoms 3 Exposure Factor Datasets
Citation:

Raptor movements in California

Author(s)
Bloom, Peter H.
Pages
313-323
Publisher
Hawk Migration Association of North America
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Time of Migration or Dispersal August (begin) period of fall migration of individuals fledged in northern CA, or at high elevations Both Male and Female Both Adults and Juveniles throughout state Not Reported Exposure Factor Datasets
Time of Migration or Dispersal February (peak) period of spring migration of individuals fledged in northern CA, or at high elevations Both Male and Female Both Adults and Juveniles throughout state Not Reported Exposure Factor Datasets
Citation:

Predatory efficiency of American kestrels wintering in northwestern California

Author(s)
Collopy, Michael W.
Pages
25-31
Year
Issue
2
Volume
7
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Dietary Composition invertebrates (85.4%), vertebrates (14.6%) relative numbers of dietary items captured Not Reported Not Reported Arcata Bottoms; pasture 24 birds Exposure Factor Datasets
Citation:

Factors influencing respiratory rates in four species of raptors

Author(s)
Daniels, Kathleen and G.E. Duke
Pages
703-706
Year
Volume
66
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Sample Size Type
Inhalation Rate 35.4 mean resting respiratory rate 3.21 SD #/min Not Reported Adult 4 Exposure Factor Datasets
Citation:

A population study of the sparrow hawk in east-central Illinois

Author(s)
Enderson, James Harris
Pages
222-231
Year
Issue
3
Volume
72
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Population Density 4 wintering population size individuals/43 sq mi Not Reported Not Reported agricultural lands Not Reported Exposure Factor Datasets
Population Density 0.58 breeding population density birds/mi2 Not Reported Not Reported agricultural lands 25 birds Exposure Factor Datasets
Home Range 1.5 mean maximum diameter of winter home ranges mi Not Reported Not Reported agricultural lands 3 birds Exposure Factor Datasets
Home Range 1.4 mean maximum diameter of breeding home ranges mi Not Reported Not Reported agricultural lands 4 birds Exposure Factor Datasets
Citation:

Respiratory metabolism of three species of raptors

Author(s)
Gatehouse, S.N. and B.J. Markham
Pages
738-741
Year
Volume
87
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Metabolic Rate combined day and night oxygen consumption over one 24 hr period 1.146-1.682 ml oxygen/g/hr Both Male and Female Adult 3 birds Exposure Factor Datasets
Citation:

Fat content of American kestrels and sharp-shinned hawks estimated by total body electrical conductivity

Author(s)
Gessaman, J.A. and S.M. Harden
Pages
56-57
Year
Issue
1
Volume
29
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Body Fat (total or %) 6.01 percent body fat calculated from total body electrical conductivity 1.92 SE % Male Adult Cape May 12 Exposure Factor Datasets
Body Fat (total or %) 8.51 percent body fat calculated from total body electrical conductivity 2.00 SE % Female Adult Cape May 13 Exposure Factor Datasets
Citation:

Premigratory fat in the American kestrel

Author(s)
Gessaman, James A.
Pages
625-626
Year
Issue
4
Volume
91
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Fat (total or %) mean percent body fat as measured by fat extraction from April to September 4-5.3 % Male Adult Cache county 14 Exposure Factor Datasets
Citation:

An evaluation of heart rate as an indirect measure of daily energy metabolism of the American kestrel

Author(s)
Gessaman, James A.
Pages
273-289
Year
Volume
65
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Sample Size Type
Metabolic Rate 23.06 daily energy metabolism based on heart rate (30 C) and a linear regression equation for heart rate and volume of oxygen consumed 1.03 SE 21.83-25.10 kcal/d Not Reported Adult 1 Exposure Factor Datasets
Citation:

Fat content of American kestrels and sharp-shinned hawks estimated by total body electrical conductivity

Author(s)
Harden, Shari M.
Pages
42
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Sample Size Type
Body Fat (total or %) 2.46 total body fat based on Soxhlet fat extraction 0.25 SE 0.8-4.9 g Both Male and Female Adult 21 Exposure Factor Datasets
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