Great grey owlThe great grey owl (Strix nebulosa) (also great gray owl in American English) is a true owl, and is the world's largest species of owl by length. It is
Fauna of Finlandmake up this order. Tawny owl, Strix aluco (common) Ural owl, Strix uralensis (uncommon) Great grey owl, Strix nebulosa (uncommon) Eurasian eagle owl,
Birds of North American boreal foreststern, Sterna hirundo Northern hawk owl, Surnia ulula Great gray owl, Strix nebulosa Boreal owl, Aegolius funereus American three-toed woodpecker, Picoides
List of birds of Chinawood-owl, Strix leptogrammica Tawny owl, Strix aluco Himalayan owl, Strix nivicolum Ural owl, Strix uralensis Great gray owl, Strix nebulosa Long-eared
List of birds of North AmericaFlammulated owl, Psiloscops flammeolus LC Fulvous owl, Strix fulvescens LC Great gray owl, Strix nebulosa LC Great horned owl, Bubo virginianus LC Jamaican