Great Grey Owl (Strix nebulosa) [XC653984]
by Magnus Hallgren from V\u00e4ster\u00e5s Municipality, V\u00e4stmanlands l\u00e4n, Sweden (call)
Great Grey Owl (Strix nebulosa) [XC310009]
by Albert Lastukhin from Protected species, Russian Federation (song)
Subspecies
Population from Kentei Mts, in northern Mongolia has been separated as subspecies elisabethae, but doubtfully separable from lapponica.
The following 2 subspecies are recognised:
nebulosa Forster, 1772 - North America, from central Alaska east to south-western Quebec, south to east-central California, northern Idaho and north-eastern Minnesota.
lapponica Thunberg, 1798 - Eurasia, from Fenno-Scandia east to western Koryakland, south to Lithuania, northern Mongolia, north-eastern China and northern Sakhalin.