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Jonathan Mays: Iceland Gull (Kumlien's Gull), Glaucous Gull, and Herring Gulls
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Jonathan Mays: Herring Gulls
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Jonathan Mays: Glaucous Gull, Great Black-backed Gull, and Herring Gulls
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Jonathan Mays: Herring Gulls
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Jonathan Mays: Iceland Gull (Kumlien's Gull), Glaucous Gull, Great Black-backed Gull, and Herring Gulls
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Jonathan Mays: Glaucous Gull and Herring Gulls
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Jonathan Mays: ice chunk or Glaucous Gull...
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Jonathan Mays: Iceland Gull (Kumlien's Gull) and Herring Gull
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Jonathan Mays: Iceland Gull (Kumlien's Gull)
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Jonathan Mays: Iceland Gull (Kumlien's Gull) and Herring Gull
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Jonathan Mays: Iceland Gull (Kumlien's Gull), Glaucous Gull, and Herring Gulls
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Jonathan Mays: Iceland Gull (Kumlien's Gull), Glaucous Gull, and Herring Gulls
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Jonathan Mays: Penobscot River Gulls