Nyctea scandiaca

tags: Snowy Owl, Nyctea scandiaca, birds, mystery bird, bird ID quiz [Mystery bird] Snowy Owl, Nyctea scandiaca, photographed on the Fort Pierre National Grasslands in South Dakota. [I will identify this bird for you tomorrow] Image: Terry Sohl, 4 January 2009 [larger view]. Photo taken with Canon 50D, 400 5.6L. Please name at least one field mark that supports your identification. Review all mystery birds to date.