Great Black-backed Gull- Grote Mantelmeeuw (marinus)

(last update: 16-3-2007)

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adult: October

Great Black-backed Gull (Larus marinus) JD28 7cy: October 19 2004, Westkapelle, the Netherlands (51.33 N - 03.25 E).
Primary p7 fully grown and no old primaries left. Note the variegated pattern in the lower tertial. Ringed in summer 1998.
jd28wk191004b.jpg (115232 bytes)
Great Black-backed Gull (Larus marinus) 8cy JD34 October 14 2006, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage. gbbg
Great Black-backed Gull (Larus marinus) JR88: October 05 2002, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E).
A Scandinavian adult ringed JR88. P6 is fully grown P10 is still old.
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Great Black-backed Gull (Larus marinus) 5cy J8P3 October 02 2006, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage. gbbg
Great Black-backed Gull (Larus marinus) 10+cy JGU5 October 24 2006, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage. gbbg
Great Black-backed Gull (Larus marinus) 10+cy JGV2 October 21 2006, Boulogne sur Mer, France (50.44 N - 01.35 E). Picture Jean-Michel Sauvage. gbbg
Great Black-backed Gull (Larus marinus) A - 216331: October 05 2002, Boulogne sur Mer, France (50.42 N - 01.34 E).
P7 is fully grown. All outer primaries have been shed.
5500a216331.jpg (65228 bytes)
Great Black-backed Gull (Larus marinus) NOS 354288, October 18 2002, Moustafabaai - Maasvlakte, the Netherlands.
P7 fully grown and P8 is at the same length, no old primaries left.
5825stavangergbbg.jpg (55334 bytes)

Great Black-backed Gull (L. marinus) NOS 367624 October 02 2004, IJmuiden, the Netherlands. Picture: Ruud Altenburg.

5825stavangergbbg.jpg (55334 bytes)
Great Black-backed Gull (Larus marinus) ad NOO OA03218 October 22 2004 Westkapelle, the Netherlands. 7095jp36.jpg (66909 bytes)
Great Black-backed Gull (Larus marinus) adult: October 01 2001, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E).
The tip of primary P5 equals the tip of the fully grown P4. Outer primaries P8-P10 still have to be shed.
6863.jpg (76757 bytes)
Great Black-backed Gull (Larus marinus) adult: October 01 2001, Le Portel - Boulogne sur Mer, France (50.42 N - 01.34 E).
The tip of primary P5 equals the tip of P3 while P4 is fully grown. Note the missing greater coverts, exposing the secondaries underneath.
6864.jpg (66048 bytes)
Great Black-backed Gull (Larus marinus) adult: October 05 2003, IJmuiden, the Netherlands (52.27 N - 04.33 E).
Primary P6 fully grown and P10 still old. Greater coverts and tertials fresh.
9481gbbgad.jpg (64156 bytes)
Great Black-backed Gull (Larus marinus) adult: October 05 2003, IJmuiden, the Netherlands (52.27 N - 04.33 E).
Primary P6 fully grown and P10 still old. Greater coverts and tertials fresh.
9507gbbgad.jpg (76411 bytes)
Great Black-backed Gull (Larus marinus) adult: October 11 2002, IJmuiden, the Netherlands (52.27 N - 04.33 E).
P7 fully grown, no old primaries left.
5647gbbgad.jpg (44397 bytes)
Great Black-backed Gull (Larus marinus) adult: October 20 2003, IJmuiden, the Netherlands (52.27 N - 04.33 E).
P6 fully grown, P9-P10 still old primaries.
9877gbbgad.jpg (72223 bytes)
Great Black-backed Gull (Larus marinus) adult: October 20 2003, IJmuiden, the Netherlands (52.27 N - 04.33 E).
P7 fully grown, no old primaries left.
9889gbbgad.jpg (48373 bytes)