Great Gray Owl Biology
A Reference for North and Central American Owls
Name: Great Gray Owl – Strix nebulosa
Other Common Names: Dark Wood-Owl; Lapland Owl; Striped Owl; Sooty Owl; Spectral Owl.
Subspecies: There is only one race of Great Gray Owl in North America although there is a widespread northern Eurasian race.
S. n. nebulosa is the North American race of Great Gray Owl. Its approximate breeding range is shown on the range map. Winters in the breeding range but will also wander south. *See Movements.
Measurements and Weights:
Wingspan: 54 – 60 in.
Length: 24 – 33 in.
Tail: 11 3/4 – 13 3/4 in.
Average Weight: Male: 34 oz.
Average Weight: Female: 46 oz.