adult: October
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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.
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![jd28wk191004b.jpg (115232 bytes)](../images/ad/jd28wk191004b_small.jpg) |
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](../images/jms2/jd34141006sm.jpg) |
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. |
![5583jr88.jpg (51930 bytes)](../images/ad/5583jr88_small.jpg) |
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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](../images/jms2/j8p3021006sm.jpg) |
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](../images/jms2/jgu5241006sm.jpg) |
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](../images/jms2/jgv2111006sm.jpg) |
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.
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![5500a216331.jpg (65228 bytes)](../images/ad/5500a216331_small.jpg) |
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.
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![5825stavangergbbg.jpg (55334 bytes)](../images/ad/5825stavangergbbg_small.jpg) |
Great Black-backed Gull (L. marinus) NOS 367624 October 02 2004, IJmuiden, the Netherlands. Picture: Ruud Altenburg.
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![5825stavangergbbg.jpg (55334 bytes)](../images/recent/thumb/NOS-367624-021004.jpg) |
Great
Black-backed Gull (Larus marinus) ad NOO OA03218 October 22 2004 Westkapelle, the Netherlands. |
![7095jp36.jpg (66909 bytes)](../gbbg01/small/noooa03218_6092.jpg) |
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.
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![6863.jpg (76757 bytes)](../images/ad/6863_small.jpg) |
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.
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![6864.jpg (66048 bytes)](../images/ad/6864_small.jpg) |
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.
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![9481gbbgad.jpg (64156 bytes)](../images/ad/9481gbbgad_small.jpg) |
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.
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![9507gbbgad.jpg (76411 bytes)](../images/ad/9507gbbgad_small.jpg) |
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.
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![5647gbbgad.jpg (44397 bytes)](../images/ad/5647gbbgad_small.jpg) |
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.
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![9877gbbgad.jpg (72223 bytes)](../images/ad/9877gbbgad_small.jpg) |
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.
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![9889gbbgad.jpg (48373 bytes)](../images/ad/9889gbbgad_small.jpg) |
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