description Boreal Owl Overview
The Boreal Owl (Aegolius funereus) is a small owl species inhabiting boreal and subalpine forests across the Northern Hemisphere from Scandinavia through Siberia and across North America. Adults measure approximately 22–27 cm with a wingspan of 50–62 cm, characterized by a large rounded head, no ear tufts, and a white facial disc with yellow eyes. The species possesses asymmetrical ear openings enabling precise sound localization, allowing it to hunt small mammals under snow or vegetation by sound alone. Boreal Owls are secondary cavity nesters, typically using old woodpecker holes.
help Boreal Owl FAQ
Where does the Boreal Owl live?
The Boreal Owl, Aegolius funereus, inhabits boreal and subalpine forests across the Northern Hemisphere. Its range extends from Scandinavia and Siberia across northern North America.
How large is a Boreal Owl?
Adults measure approximately 22 to 27 centimeters long and have a wingspan of about 50 to 62 centimeters. Despite its broad range, it is a relatively small forest owl.
What does a Boreal Owl look like?
It has a large head, a square-looking facial disc, and bright eyes that stand out against its small body. Its mottled plumage helps it disappear among spruce and fir branches.
Where does the Boreal Owl nest?
Boreal Owls usually nest in tree cavities in mature coniferous forests. In late winter and spring, males produce a distinctive hollow hoot to attract a mate.
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