Bubo virginianus (Great Horned Owl)

Displaying 30 data points

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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