Markus Varesvuo / Tengmalm's Owl (Aegolius funereus) close-up of eye. Kuusamo Finland, May. Winner of the Birds Category in the Finnish Nature Photo of the Year Competition 2013
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Sven Zacek / Ural owl (Strix uralensis) perched in boreal forest, Estonia. Digital composite
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Wild Wonders of Europe / Cairns / Great grey owl (Strix nebulosa) landing on branch, Oulu, Finland, June 2008
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Wild Wonders of Europe / Cairns / Female Great grey owl (Strix nebulosa) in flight in boreal forest, Finland, June 2008
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Wild Wonders of Europe / Cairns / Great grey owl (Strix nebulosa) close-up of head, Northern Oulu, Finland, June 2008 UNAVAILABLE FOR COMMERCIAL USE WITHOUT PRIOR CONSENT
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Wild Wonders of Europe / Cairns / Great grey owl (Strix nebulosa) in flight in boreal forest, Northern Oulu, Finland, June 2008
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Wild Wonders of Europe / Cairns / Great grey owl (Strix nebulosa) with chick in nest in boreal forest, Northern Oulu, Finland, June 2008
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Wild Wonders of Europe / Cairns / Photographer Peter Cairns climbing ladder to photograph Great grey owl (Strix nebulosa) in boreal forest, Northern Oulu, Finland, June 2008
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Wild Wonders of Europe / Cairns / Great grey owl (strix nebulosa) in flight in boreal forest, Northern Oulu, Finland, June 2008
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Konrad Wothe / Boreal Owl (Aegolius funereus) in nest cavity, Sweden
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Konrad Wothe / Boreal Owl (Aegolius funereus) in nest cavity, Sweden
