Great Black-backed Gull - marinus

Great Black-backed Gull- Grote Mantelmeeuw (marinus)

(last update: 16-3-2007)

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

gbbg 2cy January
gbbg 2cy February
gbbg 2cy March
gbbg 2cy April
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
gbbg 3cy May
gbbg 3cy June
gbbg 3cy July
gbbg 3cy August
gbbg 3cy September
gbbg 3cy October
gbbg 3cy December

gbbg sub-ad January
gbbg sub-ad February
gbbg sub-ad March
gbbg sub-ad April
gbbg sub-ad June
gbbg sub-ad July
gbbg sub-ad August
gbbg sub-ad September
gbbg sub-ad October
gbbg sub-ad November

gbbg ad Jan-April
gbbg ad June
gbbg ad July
gbbg ad August
gbbg ad September
gbbg ad October
gbbg ad November

*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.
		*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.
		*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.

		*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.
		*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.
		*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.
		*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.
		*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.
		*Great Black-backed Gull (L. marinus) NOS 367624* October 02 2004, IJmuiden, the Netherlands. Picture: Ruud Altenburg.
		*Great Black-backed Gull (Larus marinus) ad NOO OA03218* October 22 2004 Westkapelle, the Netherlands.
		*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.
		*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.
		*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.
		*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.
		*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.
		*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.
		*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.