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| Black-capped Chickadee |
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| Black-capped Chickadee (note iridescence on tail feathers) |
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| Black-capped Chickadee |
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| Black-capped Chickadee |
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| Black-capped Chickadee |
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| Fox Sparrow |
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| American Tree Sparrow |
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| Dark-eyed Junco |
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| Dark-eyed Junco |
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| Dark-eyed Junco |
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| Dark-eyed Junco |
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| Dark-eyed Junco |
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| White-throated Sparrow |
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| American Goldfinches |
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| American Goldfinches |
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| White-breasted Nuthatch |
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| White-breasted Nuthatch |
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| White-breasted Nuthatch |
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| White-breasted Nuthatch |
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| White-breasted Nuthatch |
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| Northern Cardinal |
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| Northern Cardinal |
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| Northern Cardinal |
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| Northern Cardinals (note size difference between fluffed-up Cardinals and sleek, flying Cardinal) |