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Short-eared Owl: Medium owl, light and dark brown mottled upperparts and dark-streaked, pale buff underparts. Head has large, round, pale buff facial disk with fine, brown tinges, black around eyes, and small ear tufts. Eyes are yellow and bill is black. Flight is erratic with flopping wing beats.
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Great Horned Owl: Large owl with dark brown, gray-brown mottled upperparts and dark barred underparts. Head has distinct ear tufts and rufous facial disk. Throat and upper breast are white and may have dark spots. Northern birds are paler and grayer. Strong, silent, direct, flap and glide flight.
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Barred Owl: Medium, large-headed owl with large, brown eyes, concentric rings around pale face, no ear tufts. Upperparts are brown with white markings. Underparts are white with dark bars on breast and dark streaks on belly. Heavily streaked, spotted, and variegated brown, white, and buff overall.
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Great Gray Owl: Large owl, dark gray body interspersed with bars and flecks of brown, pale gray, and white. Head is large and without ear tufts. Yellow eyes are relatively small. Bulky appearance when perching due to dense, fluffy plumage, long wings extending past body, and relatively long tail.
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Snowy Owl: Large, white owl with variable black bars and spots. The head is round and lacks tufts, eyes are yellow, and the bill is black. Feathered feet and toes provide protection from the arctic cold. Direct flap-and-glide flight with powerful, deep wingbeats. North America's only all-white owl.
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Northern Hawk Owl: Medium-sized, slender owl with white-spotted brown upperparts and brown-barred white underparts. The gray facial disk is partially bordered by a thick, brown stripe that extends to the upper breast; lacks ear tufts. Wings are long and relatively pointed. Tail is long and rounded.
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Boreal Owl: Medium owl, white-spotted, brown upperparts and thick brown-streaked, white underparts. Head is black with numerous small white spots, facial disks bordered with black, eyes are yellow-orange. Short flights have rapid wingbeats, longer ones are bouyant with shallow, silent wing beats.
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