Black Guillemot is very similar to Pigeon Guillemot, but their ranges overlap only in Alaska. The inside of its mouth is bright red.
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Black Guillemot
Penobscot Bay, ME
July 31, 2013 ©John Schwarz
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Black Guillemot
Penobscot Bay, ME
July 31, 2013 ©John Schwarz
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Black Guillemot
Penobscot Bay, ME
July 31, 2013 ©John Schwarz
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Black Guillemot
Penobscot Bay, ME
July 31, 2013 ©John Schwarz
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Black Guillemot
Penobscot Bay, ME
July 31, 2013 ©John Schwarz
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Black Guillemot
Penobscot Bay, ME
July 31, 2013 ©John Schwarz
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Black Guillemot
Penobscot Bay, ME
July 31, 2013 ©John Schwarz
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Black Guillemot
Penobscot Bay, ME
July 31, 2013 ©John Schwarz
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Black Guillemot
Bar Harbor, ME
June 29, 2005 ©John Schwarz
