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Tengmalm's owl / boreal owl / pärluggla (Aegolius funereus) Tengmalm's owl / boreal owl / pärluggla (Aegolius funereus) Tengmalm's owl / boreal owl / pärluggla (Aegolius funereus) Tengmalm's owl / boreal owl / pärluggla (Aegolius funereus) Tengmalm's owl / boreal owl / pärluggla (Aegolius funereus) Tengmalm's owl / boreal owl / pärluggla (Aegolius funereus)