Identification of American Herring Gull in a western European context
Identification of American Herring Gull in a western European context Identification of American Herring Gull in a western European context
Identification of American Herring Gull in a western European context67 American Herring Gull / Amerikaanse Zilvermeeuw Larus smithsonianus, third-winter, Boston, Massachusetts,USA, January 2001 (Killian Mullarney)68 American Herring Gull / Amerikaanse Zilvermeeuw Larus smithsonianus, third-winter, Boston, Massachusetts,USA, January 2001 (Pat Lonergan)24
Identification of American Herring Gull in a western European context69 American Herring Gull / Amerikaanse Zilvermeeuw Larus smithsonianus, third-winter, Boston, Massachusetts,USA, January 1999 (Pat Lonergan). Note dark marks on secondaries and extensive dark in tail.70 American Herring Gull / Amerikaanse Zilvermeeuw Larus smithsonianus, third-winter, Boston, Massachusetts,USA, January 2001 (Pat Lonergan). Rather advanced individual in some respects with unmarked adult-likesecondaries. Note that tail is still rather heavily marked.25
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<strong>Identification</strong> <strong>of</strong> <strong>American</strong> <strong>Herr<strong>in</strong>g</strong> <strong>Gull</strong> <strong>in</strong> a <strong>western</strong> <strong>European</strong> <strong>context</strong>67 <strong>American</strong> <strong>Herr<strong>in</strong>g</strong> <strong>Gull</strong> / Amerikaanse Zilvermeeuw Larus smithsonianus, third-w<strong>in</strong>ter, Boston, Massachusetts,USA, January 2001 (Killian Mullarney)68 <strong>American</strong> <strong>Herr<strong>in</strong>g</strong> <strong>Gull</strong> / Amerikaanse Zilvermeeuw Larus smithsonianus, third-w<strong>in</strong>ter, Boston, Massachusetts,USA, January 2001 (Pat Lonergan)24
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