John Chan / Great horned owl (Bubo virginianus) chicks stretching and flapping their wings, Southern California, USA, May.
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John Chan / Great horned owl (Bubo virginianus) chick watching for parents to return with food, Southern California, USA, June.
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John Cancalosi / Great horned owl (Bubo virginianus) chick stretching its wings in nest in a Saguaro (Carnegiea gigantea), is groomed by its parent, Sonoran Desert, Arizona, USA, May.
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Alan Murphy/ BIA / Great Horned Owl (Bubo virginianus), Texas
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Gerrit Vyn / Great horned owls (Bubo virginianus) roosting in an abandoned barn. Idaho, USA. February.
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Jack Dykinga / Great horned owl (Bubo virginianus) chicks in nest in Saguaro cactus (Carnegiea gigantea) at sunset, Santa Catalina Mountains, Arizona, USA, May.
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Jack Dykinga / Great horned owl (Bubo virginianus) chicks nesting in saguaro cactus (Carnegiea gigantea), near Oracle, Sonoran Desert, Arizona, USA, May.
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Jack Dykinga / Great horned owl (Bubo virginianus) chick nesting in Saguaro cactus (Carnegiea gigantea), Santa Catalina Mountains, Arizona, USA, May.
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Todd Mintz / Great horned owlet (Bubo virginianus) talons Regina, Saskatchewan, Canada. June 2013.
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Todd Mintz / Great Horned owl, (Bubo virginianus) in flight, Regina, Saskatchewan, Canada, March
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ZSSD / Great Horned Owl (Bubo virginianus) portrait, native to North America
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Rolf Nussbaumer / Young Great horned owl chick in nest {Bubo virginianus} Rio Grande Valley Texas USA.