Bubo virginianus (Great Horned Owl)

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Great Horned Owl (Bubo virginianus)

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 Sample Size Location Type Countries
Dietary Composition Townsend vole: 84.8, common muskrat: 1.0, rat species: 1.0, medium songbirds: 5.1, family anatidae: 5.1, order coleoptera: 3.0 Percent by number in pellets/prey remains % NR See citation Alaskan National Wildlife Area Exposure Factor Datasets CANADA
Dietary Composition Townsend vole: 69.0, North American deer mouse: 11.2, rat species: 7.8, house mouse: 0.9, shrew-mole: 1.7, shrew species: 7.8, small songbirds: 0.9, American crow: 0.9 Percent by number in pellets/prey remains % NR See citation Forest Richmond Exposure Factor Datasets CANADA
Dietary Composition Townsend vole: 97.5, rat species: 2.5 Percent by number in pellets/prey remains % NR See citation Arthur Drive Exposure Factor Datasets CANADA
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 See citation Terra Nova Park Exposure Factor Datasets CANADA
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 See citation Beach Groove Park Exposure Factor Datasets CANADA
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 See citation Crescent Park Exposure Factor Datasets CANADA
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 CANADA
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 Sample Size Location Type Countries
Dietary Composition Mammalia: 89.76, aves: 7.07 Percent biomass in disturbed site % B Not Reported 1478 US Army Dugway Proving Ground Exposure Factor Datasets USA
Dietary Composition Mammalia: 95.74, aves: 0.85 Percent biomass in undisturbed site % B Not Reported 2448 US Army Dugway Proving Ground Exposure Factor Datasets USA
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 Sample Size Location Type Countries
Dietary Composition Class aves: 13.8, class mammalia: 86.2, class crustacae: 0.0 Percent biomass % NR Not Reported 285 Fort Cluster Exposure Factor Datasets USA
Dietary Composition Class aves: 24.8, class mammalia: 75.2, class crustacae: 0.0 Percent biomass % NR Not Reported 285 Trowbridge Exposure Factor Datasets USA
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 Sample Size Location Type Countries
Dietary Composition Mammals: 34, birds: 38, amphibians: 8, reptiles: 2, fishes: <1, insects: 18 Percent frequency % NR Not Reported 85 Lami Biological Reserve Exposure Factor Datasets BRAZIL

Citation:
Chemical Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type California Counties Countries Lab
PCB 720 ng/g lw Blubber concentration F Adult 11 Gulf of California Toxicity Factor Datasets MEXICO
PCB 1300 ng/g lw Blubber concentration F Adult 11 Gulf of California Toxicity Factor Datasets MEXICO
HEXACHLOROCYCLOHEXANE 36 ng/g lw Blubber concentration F Adult 11 Gulf of California Toxicity Factor Datasets MEXICO
HEXACHLOROCYCLOHEXANE 59 ng/g lw Blubber concentration M Adult 11 Gulf of California Toxicity Factor Datasets MEXICO
CEFTIOFUR CRYSTALLINE FREE ACID (EXCEDE) 0.0974/hr Apparent absorption rate B Not Reported 12 The Marine Mammal Center Toxicity Factor Datasets Marin USA
CEFTIOFUR CRYSTALLINE FREE ACID (EXCEDE) 0.0114/hr Apparent elimination rate B Not Reported 12 The Marine Mammal Center Toxicity Factor Datasets Marin USA
CEFTIOFUR CRYSTALLINE FREE ACID (EXCEDE) 2163 mL/kg Apparent volume of distribution B Not Reported 12 The Marine Mammal Center Toxicity Factor Datasets Marin USA
DDT (4,4'-) 1900 ng/g ww Blubber concentration M Adult 11 Gulf of California Toxicity Factor Datasets MEXICO
DDT (4,4'-) 3400 ng/g lw Blubber concentration M Adult 11 Gulf of California Toxicity Factor Datasets MEXICO
PCB 890 ng/g ww Blubber concentration M Adult 11 Gulf of California Toxicity Factor Datasets MEXICO
PCB 1600 ng/g lw Blubber concentration M Adult 11 Gulf of California Toxicity Factor Datasets MEXICO
HEXACHLOROCYCLOHEXANE 34 ng/g ww Blubber concentration M Adult 11 Gulf of California Toxicity Factor Datasets MEXICO
CHLORDANE 32 ng/g ww Blubber concentration M Adult 11 Gulf of California Toxicity Factor Datasets MEXICO Laboratory
CHLORDANE 55 ng/g lw Blubber concentration M Adult 11 Gulf of California Toxicity Factor Datasets MEXICO Laboratory
ORGANOCHLORINES 2900 ng/g ww Blubber concentration M Adult 11 Gulf of California Toxicity Factor Datasets MEXICO Laboratory
ORGANOCHLORINES 5000 ng/g lw Blubber concentration M Adult 11 Gulf of California Toxicity Factor Datasets MEXICO Laboratory
DDT (4,4'-) 1100 ng/g lw Blubber concentration F Adult 11 Gulf of California Toxicity Factor Datasets MEXICO
DDT (4,4'-) 2100 ng/g lw Blubber concentration F Adult 11 Gulf of California Toxicity Factor Datasets MEXICO
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