One of the 3 wood owls on WAnimals

Birds · Strigiformes · Strigidae
Strix nebulosa
The species is abundant and widely distributed; it faces no significant short-term risk.
It is the longest owl in the world by total body length, though its body is deceptively light beneath extremely dense, fluffy plumage.
Weight
580 g – 1.9 kg
Size
61 cm – 84 cm
Life expectancy
13 years
Diet
Carnivore
Feeds mainly on other animals.
Activity
Irregular activity
Active at irregular times, by day or night depending on circumstances.
Social structure
Solitary
Lives and hunts alone, joining others only to breed.
AI-generated images: illustrations, not photographs.
Sources consulted: AnAge (genomics.senescence.info) · Earth Life · The Owl Pages · Animal Diversity Web · The Animal Facts · Animalia.bio · California DFG life history account · Wikipedia (Great grey owl)
Best time: Winter, when it comes down into clearings and open ground and hunts in broad daylight over the snow; it is especially visible in irruption years, when birds move south.
Parks and dive sites where this species has been documented — showing 10 of 29.
Other species in the catalogue with the most in common with Great Grey Owl — same habitat, park, country, tags or family.
Based on what we already know about great grey owl.
The pins mark the parks where its presence is documented.