Great Black-backed Gull- Grote Mantelmeeuw (marinus)

(last update: 9-4-2006)

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gbbg 1cy Aug-Sept
gbbg 1cy October
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gbbg 1cy December

gbbg 2cy January
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gbbg 2cy May
gbbg 2cy June
gbbg 2cy July
gbbg 2cy August
gbbg 2cy September
gbbg 2cy Oct-Nov

gbbg 3cy January
gbbg 3cy February
gbbg 3cy March
gbbg 3cy April
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gbbg 3cy June
gbbg 3cy July
gbbg 3cy August
gbbg 3cy September
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gbbg 3cy December

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second calendar year: July

 2118gbbg2cy.jpg (62823 bytes)Great Black-backed Gull (Larus marinus) 2cy: July 11 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). Primary moult stage: p5 is fully grown and p9 is missing. 
2128gbbg2cy.jpg (76384 bytes)Great Black-backed Gull (Larus marinus) 2cy: July 11 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). An individual with all wing-coverts moulted to second generation. This bird is moulting the rectrices. P9 and P10 are still juvenile. P6 is fully grown. The soft parts are very immature with the bill mostly black.
2129gbbg2cy.jpg (54633 bytes)Great Black-backed Gull (Larus marinus) 2cy: July 11 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E). Most of the wing-coverts have been replaced for second generation feathers. An advanced bird regarding plumage moult. Soft parts still very immature, juvenile-like.