The great grey owl is a very large owl, documented as the world's largest species of owl by length. It is distributed across the Northern Hemisphere, and it is the only species in the genus Strix found in both Eastern and Western Hemispheres.
Mass: 2.5 lbs (Adult)
Conservation status: Least Concern (Population stable)
Scientific name: Strix nebulosa
Wingspan: five feet
Family: Strigidae
Kingdom: Animalia
Order: Strigiformes