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
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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>69 <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 1999 (Pat Lonergan). Note dark marks on secondaries and extensive dark <strong>in</strong> tail.70 <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). Rather advanced <strong>in</strong>dividual <strong>in</strong> some respects with unmarked adult-likesecondaries. Note that tail is still rather heavily marked.25
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