A primarily Asian species, Slaty-backed Gull is regularly seen in western Alaska, but only rarely in the remainder of North America.
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Slaty-backed Gull – 2nd winter (left) with Black-legged Kittiwakes
St. Paul, Pribilof Islands, AK
May 31, 2008 ©John Schwarz
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Slaty-backed Gull (at far left)
St. Paul, Pribilof Islands, AK
May 31, 2008 ©John Schwarz
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Slaty-backed Gull – 2nd summer
Gambell, Saint Lawrence Island, AK
June 2, 2012 ©John Schwarz
