Great Black-backed Gull- Grote Mantelmeeuw (marinus)

(last update: 4-4-2006)

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second calendar year: May

 gbbg400.jpg (61674 bytes)Great Black-backed Gull (Larus marinus) 2cy: May 16 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). Two images. Primaries p1 and p2 have been replaced.
gbbg2cy578.jpg (74447 bytes)Great Black-backed Gull (Larus marinus) 2cy: May 17 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). Two images. Primaries p4 is still juvenile.
gbbg539.jpg (66818 bytes)Great Black-backed Gull (Larus marinus) 2cy: May 17 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). Primaries p4 is still juvenile and the median coverts are growing inwards from then outer wing.
gbbg572.jpg (67350 bytes)Great Black-backed Gull (Larus marinus) 2cy: May 17 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). This bird shows the difference between freshly moulted greater and median coverts (those are warm brown based) and the earlier acquired second generation central greater coverts.
gbbg582.jpg (71459 bytes)Great Black-backed Gull (Larus marinus) 2cy: May 17 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). Note the characteristic pattern of the fresh lower scapulars.
gbbg588.jpg (81350 bytes)Great Black-backed Gull (Larus marinus) 2cy: May 17 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). The complete row of median coverts has been renewed. P6 is missing and the rctrices are actively moulted.
gbbg599.jpg (69086 bytes)Great Black-backed Gull (Larus marinus) 2cy: May 17 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). An individual with active moult in the rectrices, as a very loose tail-feather indicates. Primary moult has only arrived at p3, which is missing.
gbbg568.jpg (67873 bytes)Great Black-backed Gull (Larus marinus) 2cy: May 17 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). Two images. An individual with thin patterns on the old second generation scapulars.
gbbg559.jpg (62151 bytes)Great Black-backed Gull (Larus marinus) 2cy: May 17 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). Note the almost white lower scapulars.
gbbg570.jpg (69268 bytes)Great Black-backed Gull (Larus marinus) 2cy: May 17 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). An advanced individual regarding the wing-covert moult.