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J. Derr: Gyrfalcon
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J. Derr: Snowy Owl
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J. Derr: Snowy Owl
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J. Derr: Snowy Owl
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J. Derr: Snowy Owl
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J. Derr: Rough-legged Hawk
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J. Derr: Black-backed Woodpecker
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J. Derr: Boreal Chickadee
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J. Derr: Boreal Chickadee
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J. Derr: Gray Jay
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J. Derr: American Three-toed Woodpecker
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J. Derr: American Three-toed Woodpecker
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J. Derr: Bohemian Waxwing
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J. Derr: Bohemian Waxwing
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J. Derr: Bohemian Waxwing
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J. Derr: Ruffed Grouse
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J. Derr: Moose
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J. Derr: Moose
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J. Derr: View from the Visitor's Center