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Gordon Bills: Chipping Sparrow (non-breeding)
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Gordon Bills: Rufous-winged Sparrow
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Gordon Bills: White-crowned Sparrow
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Gordon Bills: Harris's Sparrow
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Gordon Bills: Lark Bunting
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Gordon Bills: Black-throated Sparrow
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Gordon Bills: Rufous-crowned Sparrow
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Gordon Bills: Lincoln's Sparrow
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Gordon Bills: Dark-eyed Junco
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Gordon Bills: White-crowned Sparrow
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Gordon Bills: Canyon Towhee
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Gordon Bills: Bell's Sparrow
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Gordon Bills: Bell's Sparrow
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Gordon Bills: Lark Sparrow
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Gordon Bills: Brewer's Sparrow
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Gordon Bills: Lincoln's Sparrow
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Gordon Bills: Black-throated Sparrow
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Gordon Bills: Vesper Sparrow
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Gordon Bills: Brewer's Sparrow
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Gordon Bills: Green-tailed Towhee
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Gordon Bills: Rufous-winged Sparrow
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Gordon Bills: Five-striped Sparrow
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Gordon Bills: Canyon Towhee
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Gordon Bills: Black-throated Sparrow
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Gordon Bills: Golden-crowned Sparrow
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Gordon Bills: Song Sparrow
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Gordon Bills: White-crowned Sparrow
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Gordon Bills: Lincoln's Sparrow
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Gordon Bills: Lark Sparrow
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Gordon Bills: Lark Sparrow