Barred Owl

The Barred Owl (Strix varia) is one of North America's most common and distinctive forest owls. Renowned for its soul-stirring, rhythmic hooting, this large, round-headed raptor is a quintessential sound of eastern swamps and deep woods. Unlike most North American owls which boast bright yellow eyes, the Barred Owl has deep brown, almost black liquid eyes that contrast sharply against its pale facial disc. While historically limited to mature deciduous and mixed forests of eastern North America, the Barred Owl has expanded its range significantly westward over the past century, establishing a presence in the Pacific Northwest where it now competes with the native Northern Spotted Owl.

Recognizing a Barred Owl relies on several prominent physical features:

• Shape and Size: A large, stocky owl with a round head and no ear tufts. Key measurements include a length of up to 50 cm and a substantial wingspan approaching 110 cm.
• Coloring: The body plumage is a mottled gray-brown and white. The facial disc is pale with fine, dark concentric rings encircling the dark brown eyes.
• Key Patterns: True to its name, this species features horizontal, dark brown bars across its neck and upper breast, which transition into bold, vertical brown streaks on its white lower breast and belly.
• Bill and Eyes: It possesses a pale yellow-horn bill, mostly obscured by facial feathers, and conspicuously dark brown eyes.

Similar Species:

• Spotted Owl (Strix occidentalis): Highly similar in appearance, but smaller and marked with horizontal white spots on its abdomen rather than vertical streaks.
• Great Horned Owl (Bubo virginianus): Larger, with prominent ear tufts (horns) and bright yellow eyes.

Barred Owls are highly associated with mature, old-growth forests containing large, cavity-bearing trees.

• Primary Habitat: They thrive in dense, wet woods, lowland riparian zones, wooded swamps, and mixed deciduous-coniferous forests. In recent decades, they have also adapted to wooded suburban areas with mature canopy trees.
• Geographic Range: Traditionally resident across eastern North America from Canada down to Florida and Texas, their range has expanded northwestward across the Canadian boreal forest and down into the Pacific Northwest and northern California.
• Migration: Barred Owls are strictly non-migratory. They are highly territorial, keeping the same home territory year-round and rarely venturing more than a few miles from their nesting site.

Barred Owls exhibit fascinating behaviors ranging from their distinctive vocalizations to their nocturnal hunting techniques:

• Vocalizations: Their signature call is a rhythmic series of eight hoots commonly translated as, "Who cooks for you? Who cooks for you-all?" During territorial disputes or courtship, pairs perform elaborate, highly energetic duets consisting of bizarre cackles, barks, squeals, and caterwauls.
• Feeding and Foraging: They are opportunistic predators, hunting primarily from perches during twilight and nighttime hours, though they occasionally hunt on overcast days. They swoop down to seize prey using their keen hearing and night vision. Their diet is diverse, centering on mice, voles, frogs, salamanders, crayfish, and small birds.
• Nesting and Breeding: Barred Owls are cavity nesters, typically utilizing large hollows in decaying trees, or occasionally taking over abandoned nests built by hawks, crows, or squirrels. They raise one brood per year, with a clutch size of 2 to 4 white eggs incubated almost exclusively by the female while the male provides food.