Sven Zacek / Ural owl (Strix uralensis) female in flight having taken off from nest, in evening light. Tartumaa, Southern Estonia. May.
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Sven Zacek / Ural owl (Strix uralensis) female flying with prey in beak. Flying back to nest in evening light. Tartumaa, Southern Estonia. May.
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Sven Zacek / Ural owl (Strix uralensis) perched on Alder (Alnus sp) tree at dusk. Tartumaa, Southern Estonia. April.
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Sven Zacek / Great grey owl (Strix nebulosa) perched on dead umbellifer plant, winter, Finland, February.
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Sven Zacek / Ural owl (Strix uralensis) perching on an Apsen tree during the blue hour of dawn, Tartumaa, Estonia, April.
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Sven Zacek / Low angle shot of Ural owl (Strix uralensis) female returning to its nest at night. Southern Estonia, May.
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Sven Zacek / Ural owl (Strix uralensis) chick trying to climb an aspen tree with its beak, talons and wings, Southern Estonia. June.
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Sven Zacek / Ural owl (Strix uralensis) chick trying to climb an aspen tree with its beak, talons and wings, Southern Estonia. June.
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Sven Zacek / Ural owl (Strix uralensis) female feeding her young with part of a pellet it has regurgitated. Estonia, May.
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Sven Zacek / Female Ural owl (Strix uralensis) flying over a clear-cut area, Southern Estonia, May.
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Sven Zacek / Male Ural owl (Strix uralensis) flying to nest to feed female, Southern Estonia, March.
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Sven Zacek / Ural owl (Strix uralensis) flying to nest with star trails in sky above, Estonia, May. Winner of the Birds category in the Melvita Nature Images Awards competition 2014.