Lesser Black-backed Gull (graellsii & intermedius)

(last update: 09-06-2013)

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Lesser Black-backed Gull intermedius 3cy JJ6L July & August 2013, Utrecht, the Netherlands. Picture: Herman Bouman.

Ringed as pullus on July 11 2011 at Rauna, Farsund, Vest-Agder, Norway.

CR-Code Black ring with white code: JJ6L LBNW(JJ6L);RBM
Ringing Centre Stavanger Museum (Norway) Ring number 4258845
Species Lesser Black-backed Gull (intermedius)  Larus fuscus intermedius
Sex Unknown Age Pullus

Date

Place

Coordinates

Observers

Days/km/°

11.07 2011

Rauna, Farsund, Vest-Agder, Norway

58°03'33"N 006°40'10"E

Olsen, Knut Sigbjørn

-

09.08 2012

Blaringhem Landfil, Nord, France

50°40'25"N 002°24'39"E

Vercruijsse, Harry

395/866/200

23.08 2012

Blaringhem Landfil, Nord, France

50°40'25"N 002°24'39"E

Vercruijsse, Harry

409/866/200

06.09 2012

Blaringhem Landfil, Nord, France

50°40'25"N 002°24'39"E

Vercruijsse, Harry

423/866/200

26.07 2013

Utrecht - Rooseveltlaan, Utrecht, The Netherlands

52°04'08"N 005°05'27"E

Bouman, Herman; van Kleinwee, Maarten

746/674/189

06.08 2013

Utrecht, Papendorp, Utrecht, The Netherlands

52°04'16"N 005°05'04"E

Schuller, Edwin

757/673/189

17.08 2013

Utrecht, Utrecht, The Netherlands

52°03'58"N 005°05'30"E

Muusse, Mars

768/674/189

21.08 2013

katwijk, Zuid-Holland, The Netherlands

52°12'43"N 004°23'55"E

Altenburg, Ruud; Muusse, Mars; muusse, theo

772/666/193

16.09 2013

Katwijk, Uitwatering, Zuid-Holland, The Netherlands

52°12'46"N 004°24'01"E

Schouten, Ed

798/666/193

26.04 2015

Bauskje, Farsund, Vest-Agder, Norway

58°05'19"N 006°37'02"E

Lorentzen, Nils Helge

1385/4/316

05.05 2015

Nordhassel, Farsund, Vest-Agder, Norway

58°05'28"N 006°37'23"E

Lorentzen, Nils Helge

1394/4/322

12.05 2015

Rauna, Farsund, Vest-Agder, Norway

58°03'33"N 006°40'10"E

Olsen, Knut Sigbjørn; Olsen, Tor

1401/0/0

29.05 2015

Rauna, Farsund, Vest-Agder, Norway

58°03'33"N 006°40'10"E

Lorentzen, Nils Helge; Olsen, Knut Sigbjørn

1418/0/0

below: Lesser Black-backed Gull intermedius 3cy JJ6L July 26 2013, Utrecht, the Netherlands. Picture: Herman Bouman.

Intermedius, in active moult. P1-P3 renewed recently, P4 growing with black spot on outerweb. Right wing P6-P10 old, P8 in slightly better condition. Differences in feather condition more obvious in left wing: P6 3rd gen with small white tip, P7 very worn 2nd gen, P8-P10 3rd gen blackish with white tips and mirror on P10. All secondaries of 2nd gen type, except few innermost feathers. 3rd gen tail with much black, but note fresh tips.
Bird advanced in upperparts.

below: Lesser Black-backed Gull intermedius 3cy JJ6L August 12 2013, Utrecht, the Netherlands. Picture: Herman Bouman.

P4 fully grown, P5 growing. P7-P10 old.

below: Lesser Black-backed Gull intermedius 3cy JJ6L August 21 2013, Katwijk, the Netherlands. Picture: Mars Muusse.

P4 fully grown, P5 growing. P7-P10 old. With mirror on P10 left, still an extraordinary bird.