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Bubo virginianus (Great Horned Owl)

Citation:

Comparing the diet of Great Horned Owls (Bubo virginianus) in rural and urban areas of southwestern British Columbia.

Author(s)
Hindmarch, S. and Elliott, J.E.
Issue
4
Volume
128
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Location Sample Size Type
Dietary Composition Townsend vole: 70.3, North American deer mouse: 1.4, rat species: 1.4, shrew species: 9.5, American crow: 2.7, great blue heron: 1.4, barn owl: 10.8, order coleoptera: 2.7 Percent by number in pellets/prey remains % NR Terra Nova Park See citation Exposure Factor Datasets
Dietary Composition Townsend vole: 37.3, rat species: 25.5, eastern cottontail: 23.5, coast mole: 5.9, medium songbirds: 2.0, small songbirds: 2.0, American crow: 2.0, family anatidae: 2.0 Percent by number in pellets/prey remains % NR Beach Groove Park See citation Exposure Factor Datasets
Dietary Composition Townsend vole: 2.1, North American deer mouse: 21.3, rat species: 42.6, order lagomorpha: 2.1, eastern cottontail: 4.3, medium songbirds: 10.6, small songbirds: 6.4, American crow: 4.3, order coleoptera: 6.4 Percent by number in pellets/prey remains % NR Crescent Park See citation Exposure Factor Datasets
Dietary Composition Townsend vole: 57.3, pacific jumping mouse: 1.3, rat species: 33.4, eastern cottontail: 2.7, medium songbirds: 1.3, American crow: 1.3, family anatidae: 1.3, order coleoptera: 1.3 Percent by number in pellets/prey remains % NR Central Surrey Exposure Factor Datasets
Citation:

Effects of habitat disturbance on diets of Great Horned Owl (Bubo virginianus) in a cold desert.

Author(s)
Kremer, S.R. and Belk, M.C.
Issue
1
Volume
63
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Mammalia: 89.76, aves: 7.07 Percent biomass in disturbed site % B Not Reported US Army Dugway Proving Ground 1478 Exposure Factor Datasets
Dietary Composition Mammalia: 95.74, aves: 0.85 Percent biomass in undisturbed site % B Not Reported US Army Dugway Proving Ground 2448 Exposure Factor Datasets
Citation:

Risk assessment methodologies for exposure of great horned owls (Bubo virginianus) to PCBs on the Kalamazoo River, Michigan.

Author(s)
Strause, K.D., Zwiernik, M.J., Newsted, J.L., Neigh, A.M., Millsap, S.D., Park, C.S., Moseley, P.P., Kay, D.P., Bradley, P.W., Jones, P.D. and Blankenship, A.L.
Issue
1
Volume
4
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Class aves: 13.8, class mammalia: 86.2, class crustacae: 0.0 Percent biomass % NR Not Reported Fort Cluster 285 Exposure Factor Datasets
Dietary Composition Class aves: 24.8, class mammalia: 75.2, class crustacae: 0.0 Percent biomass % NR Not Reported Trowbridge 285 Exposure Factor Datasets
Citation:

Food habits of Great Horned Owls (Bubo virginianus) in the breeding season in Lami Biological Reserve, southern Brazil.

Author(s)
Tomazzoni, A.C., Pedó, E. and Hartz, S.M.
Volume
15
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Mammals: 34, birds: 38, amphibians: 8, reptiles: 2, fishes: <1, insects: 18 Percent frequency % NR Not Reported Lami Biological Reserve 85 Exposure Factor Datasets

Lanius ludovicianus (Loggerhead Shrike)

Citation:

Predation on desert mammals by Lanius ludovicianus (Laniidae).

Author(s)
Álvarez-Castañeda, S.T.
Issue
4
Volume
47
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Chaetodipus arenarius (11.0), Chaetopidus baileyi (20.5), Peromyscus eva (15.0) Species captured (mean weight, g) Baja California Sur Not reported Exposure Factor Datasets
Body Weight - Mean 45 g g NR Not Reported Baja California Sur 3 Exposure Factor Datasets
Citation:

The indirect effects of climate variability on the reproductive dynamics and productivity of an avian predator in the arid Southwest.

Author(s)
Borgman, C.C. and Wolf, B.O.
Issue
1
Volume
180
Exposure Endpoint Type Endpoint Value Endpoint Description Error Sex Life Cycle Stage Location Sample Size Type
Time of Nesting April 27-28 (117.4 Julian day) Mean initiation date B Adult Kirkland Airfore Base 147 Exposure Factor Datasets
Clutch or Litter Size 5.4 First/second broods combined 0.2 B Embryo Kirkland Airfore Base 128 Exposure Factor Datasets
Fledging or Weaning Rate 4.6 Number fledged per successful nest 0.4 B Fledgling Kirkland Airfore Base 67 Exposure Factor Datasets
Population Density 29.2 Number of breeding pairs/15,000 ha B Adult Kirkland Airfore Base 175 Exposure Factor Datasets
Citation:

Breeding biology and nesting success of Loggerhead Shrikes in Ontario.

Author(s)
Chabot, A.A., Bird, D.M. and Titman, R.D.
Issue
3
Volume
113
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 1991: 4.9, 1992: 5.6 1991: 0.1, 1992: 0.2 Number of eggs/clutch B Embryo Three sites in southern Ontario 1991: 27, 1992: 50 breeding pairs Exposure Factor Datasets
Fledging or Weaning Rate 1991: 3.9, 1992: 4.2 Number fledged per successful nest 1991: 0.3, 1992: 0.3 B Fledgling Three sites in southern Ontario 1991: 27, 1992: 50 breeding pairs Exposure Factor Datasets
Citation:

Habitat selection and reproductive success of Loggerhead Shrikes in northwest Missouri: a hierarchical approach.

Author(s)
Esely Jr, J.D. and Bollinger, E.K.
Issue
3
Volume
113
Exposure Endpoint Type Endpoint Value Error Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size Roadside nests: 5.2, interior nests: 6.1 Roadside nests: 1.3, interior nests: 0.5 B Embryo Exposure Factor Datasets
Hatching Success Roadside nests: 71.7%, interior nests: 94.6% B Embryo Exposure Factor Datasets
Fledging or Weaning Rate Roadside nests: 55.3%, interior nests: 79.2% B Fledgling Exposure Factor Datasets
Clutch or Litter Size Review B 13-222 Exposure Factor Datasets
Fledging or Weaning Rate Review B Exposure Factor Datasets
Citation:

Survival, dispersal and early migration movements of captive-bred juvenile eastern loggerhead shrikes (Lanius ludovicianus migrans).

Author(s)
Imlay, T.I., Crowley, J.F., Argue, A.M., Steiner, J.C., Norris, D.R. and Stutchbury, B.J.M.
Issue
11
Volume
143
Exposure Endpoint Type Endpoint Value Sex Life Cycle Stage Location Sample Size Type
Time of Migration or Dispersal August 11-September 22 B Juvenile Kirkfield, Ontario 38 Exposure Factor Datasets
Survival/ Mortality 2007: 75.7%, 2008: 75.0% B Juvenile Kirkfield, Ontario 38 Exposure Factor Datasets
Time of Fledging or Metamorphosis June 9-July 30 B Juvenile Kirkfield, Ontario 38 Exposure Factor Datasets
Clutch or Litter Size 2-7 nestlings/pair B Nestling Kirkfield, Ontario 38 Exposure Factor Datasets
Citation:

Age and experience affect the reproductive success of captive loggerhead shrikes.

Author(s)
Imlay, T.L., Steiner, J.C. and Bird, D.
Volume
95
Exposure Endpoint Type Endpoint Value Error Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size 4.7 1.5 B Embryo 459 nesting attempts; 98 individuals Exposure Factor Datasets
Fledging or Weaning Rate 3.6 1.5 B Fledgling 459 nesting attempts; 98 individuals Exposure Factor Datasets

Colaptes auratus (Northern Flicker)

Citation:

Cooperative breeding in the Campo Flicker II: Patterns of reproduction and kinship.

Author(s)
Dias, R.I., Macedo, R.H., Goedert, D. and Webster, M.S.
Issue
4
Volume
115
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Type
Fledging or Weaning Rate See citation Table 2 Number of fledglings produced by each female of a group B Fledgling Central Brazil Exposure Factor Datasets
Citation:

Home-range size of northern flickers (Colaptes auratus) in relation to habitat and parental attributes.

Author(s)
Elchuk, C.L. and Wiebe, K.L.
Issue
6
Volume
81
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Home Range 1999: 20 [15-26 (95% CI)], 2000: 30 [3-112 (95% CI)] Mean by fixed kernel, activity range (50%) ha B Adult Central interior British Columbia 1999: 24, 2000: 28 Exposure Factor Datasets
Home Range 1999: 20 [15-26 (95% CI)], 2000: 34 [27-43 (95% CI)] Mean by min convex polygon (95%) ha B Adult Central interior British Columbia 1999: 24, 2000: 28 Exposure Factor Datasets
Citation:

Effects of sex and age on survival of Northern Flickers: a six-year field study.

Author(s)
Fisher, R.J. and Wiebe, K.L.
Issue
1
Volume
108
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Survival/ Mortality 0.43 [0.38-0.48 (95% CI)] Modeled estimate B Adult Risk Creek, British Columbia (51⁰52'N, 122⁰21'W) See citation Exposure Factor Datasets
Citation:

Variable weather patterns affect annual survival of Northern Flickers more than phenotype in the hybrid zone.

Author(s)
Flockhart, D.T.T. and Wiebe, K.L.
Issue
4
Volume
110
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Survival/ Mortality Model A: 0.47, model B: 0.46 Modeled estimate B Adult Risk Creek, British Columbia (51⁰52'N, 122⁰21'W) 1117 Exposure Factor Datasets
Citation:

Survival and habitat use by fledgling northern flickers in a fragmented forest landscape.

Author(s)
Gow, E.A. and Wiebe, K.L.
Issue
2
Volume
78
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Type
Foraging Distance 4th d post-fledge: 50, 18th d: 592 Distance traveled by fledglings 4th d post-fledge: 232, 18th d: 353 m B Fledgling Risk Creek, British Columbia (51⁰52'N, 122⁰21'W) Exposure Factor Datasets
Survival/ Mortality 0.994 Modeled daily survival over 22 d 0.004 B Fledgling Risk Creek, British Columbia (51⁰52'N, 122⁰21'W) Exposure Factor Datasets
Citation:

Fifty years of early winter bird counts in Harvey County, Kansas

Author(s)
Platt, D.R.
Issue
2
Volume
54
Exposure Endpoint Type Endpoint Value Location Type
Population Density See citation Harvey County Exposure Factor Datasets
Citation:

Avian community structure along a mountain big sagebrush successional gradient.

Author(s)
Reinkensmeyer, D.P., Miller, R.F., Anthony, R.G. and Marr, V.E.
Issue
4
Volume
71
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Location Type
Population Density Postburn grassland: 0.02, shrub-steppe: 0.01, mid-successional juniper: 0.11, old-growth juniper: 0.14 Mean densities per cover type Postburn grassland: 0.01, shrub-steppe: 0.01, mid-successional juniper: 0.01, old-growth juniper: 0.02 birds/ha/yr B Central Oregon Exposure Factor Datasets
Citation:

Reproductive success of cavity-nesting birds in partially harvested woodlots.

Author(s)
Straus, M.A., Bavrlic, K., Nol, E., Burke, D.M. and Elliott, K.A.
Issue
5
Volume
41
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Type
Population Density Reference: 0.7, Group: 0.5, Old standard: 0.8, Standard: 0.7, Heavy: 0.6 Breeding pair density by silvicutlure treatment Reference: 0.03, Group: 0.03, Old standard: 0.12, Standard: 0.11, Heavy: 0.08 pairs/ha B Adult London, Ontario Exposure Factor Datasets
Citation:

Clutch size relative to tree cavity size in Northern Flickers.

Author(s)
Wiebe, K.L. and Swift, T.L.
Issue
2
Volume
32
Exposure Endpoint Type Endpoint Value Error Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 7.61 1.52 Eggs/clutch B Embryo Central British Columbia (51⁰52'N, 122⁰21'W) 139 nests Exposure Factor Datasets
Citation:

Egg composition in northern flickers.

Author(s)
Wiebe, K.L.
Issue
4
Volume
108
Exposure Endpoint Type Endpoint Value Endpoint Description Units Life Cycle Stage Location Sample Size Type
Body Weight - Mean See citation Table 1 Egg metrics See citation Embryo Risk Creek, British Columbia (51⁰52'N, 122⁰21'W) See citation Exposure Factor Datasets
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