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Yvonne Nielsen: Slagugle (Ural Owl / Strix uralensis)
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Yvonne Nielsen: Slagugle (Ural Owl / Strix uralensis)
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Yvonne Nielsen: Slagugle (Ural Owl / Strix uralensis)
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Yvonne Nielsen: Natugle (Tawny Owl / Strix aluco)
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Yvonne Nielsen: Natugle (Tawny Owl / Strix aluco)
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Yvonne Nielsen: Høgeugle (Northern Hawk-owl / Surnia ulula)
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Yvonne Nielsen: Høgeugle (Northern Hawk-owl / Surnia ulula)
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Yvonne Nielsen: Høgeugle (Northern Hawk-owl / Surnia ulula)