Species BirdsBoreal Owl

Boreal Owl

Aegolius funereus

UncommonBird
Illustration of Boreal Owl (Aegolius funereus)

The Boreal Owl is a small, square-headed owl of boreal forests that irrupts south into the northern US when prey populations crash. It nests in old woodpecker holes in aspen and spruce forests. Its ears are asymmetrically placed on its skull, giving it precise directional hearing to locate voles under snow. The chocolate brown back with white spots is distinctive.

Habitat
Boreal spruce-fir forests and montane forests of the northern US
Diet
Voles, mice, and small birds
How common
Uncommon

Best time to see a Boreal Owl

The best time to see a Boreal Owl is January–March, when about 65% of U.S. sightings happen, based on 385 research-grade iNaturalist observations.

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