Gerry Ellis / Great Horned Owl (Bubo virginianus) close-up portrait, North America
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Jim Brandenburg / Great Horned Owl (Bubo virginianus) with rabbit it has captured, Minnesota
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Tim Fitzharris / Great Horned Owl (Bubo virginianus), pale form, perching in a snow-covered tree, British Columbia, Canada
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Hanne & Jens Eriksen / Great horned owl (Bubo virginianus) in flight. Saskatchewan, Canada, August.
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Karine Aigner / Great horned owl (Bubo virginianus) owlet in tree. Texas, USA. April.
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Karine Aigner / Great horned owl (Bubo virginianus) owlet in tree. Texas, USA. April.
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John Cancalosi / Great horned owl (Bubo virginianus) and chicks on nest. Gilded flicker (Colaptes chrysoides) excavating nest. On Saguaro (Carnegiea gigantea) cactus, Sonoran desert, Arizona, USA.
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John Cancalosi / Great horned owl (Bubo virginianus) adult and two chicks on nest in Saguaro (Carnegiea gigantea) cactus. Sonoran desert, Arizona, USA.
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John Cancalosi / Great horned owl (Bubo virginianus) preening two chicks in nest in Saguaro (Carnegiea gigantea) cactus, Sonoran desert, Arizona, USA.
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John Cancalosi / Great horned owl (Bubo virginianus) with two chicks on nest in Saguaro (Carnegiea gigantea) cactus, Sonoran desert, Arizona, USA.
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John Cancalosi / Great horned owl (Bubo virginianus) adult and two chicks on nest in Saguaro (Carnegiea gigantea) cactus. Sonoran desert, Arizona, USA.
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John Cancalosi / Great horned owl (Bubo virginianus) adult and two chicks on nest in Saguaro (Carnegiea gigantea) cactus. Sonoran desert, Arizona, USA.