Great Black-backed Gull (Larus marinus)

(last update: July 12, 2015)

Coordinators:
Jean-Michel Sauvage (France)
Morten Helberg (Norway)
Nils Helge Lorentzen (Norway)
Mars Muusse (Netherlands)

Great Black-backed Gull (Larus marinus) JU754 1CY-3CY, December 2014 - September 2016, IJmuiden, the Netherlands.

CR-Code Black ring with white code: JU754 LBNW(JU754);RBM
Ringing Centre Stavanger Museum (Norway) Ring number 3022100
Species Great Black-backed Gull  Larus marinus
Sex Unknown Age Pullus

Date

Place

Coordinates

Observers

Days/km/°

30.06 2014

Slettholmen, Randesund, Kristiansand, Vest-Agder, Norway

58°06'28"N 008°05'44"E

Wrånes, Eldar

-

20.12 2014

Kotterkade Midden, Haringhaven, IJmuiden, Noord-Holland, The Netherlands

52°27'26"N 004°34'59"E

Altenburg, Ruud; Muusse, Mars

173/666/200

30.12 2014

beach Nora Noordwijk, Zuid-Holland, The Netherlands

52°17'15"N 004°27'37"E

Spierenburg, Peter

183/687/201

08.02 2015

IJmuiden Spuisluis, Noord-Holland, The Netherlands

52°28'15"N 004°36'06"E

Verbeek, José

223/665/200

15.02 2015

IJmuiden Zuidpierstrand, Noord-Holland, The Netherlands

52°27'33"N 004°33'04"E

Koster, Jasper

230/667/201

03.04 2015

Velsen Beach, Noord-Holland, The Netherlands

52°28'25"N 004°34'19"E

Zorgdrager, Jan

277/665/201

05.04 2015

Wijk a, Noord-Holland, The Netherlands

52°27'37"N 004°33'08"E

Zwaan, Klaas

279/667/201

05.04 2015

IJmuiden zuidpierstrand, Noord-Holland, The Netherlands

52°27'33"N 004°33'04"E

Zwaan, Klaas

279/667/201

26.04 2015

IJmuiden Zuidpierstrand, Noord-Holland, The Netherlands

52°27'33"N 004°33'04"E

Meijer, Arno

300/667/201

26.04 2015

IJmuiden Zuidpier, Noord-Holland, The Netherlands

52°27'32"N 004°32'09"E

Koster, Jasper; Notenboom, Richard

300/667/201

08.05 2015

Forteiland Zuid, IJmuiden, Noord-Holland, The Netherlands

52°27'51"N 004°34'35"E

Cottaar, Fred

312/666/201

16.07 2015

Forteiland Zuid, IJmuiden, Noord-Holland, The Netherlands

52°27'51"N 004°34'35"E

Cottaar, Fred

381/666/201

30.07 2015

IJmuiden Zuidpierstrand, Noord-Holland, The Netherlands

52°27'33"N 004°33'04"E

Zwaan, Klaas

395/667/201

08.08 2015

IJmuiden zuidpierstrand, Noord-Holland, The Netherlands

52°27'33"N 004°33'04"E

Zorgdrager, Jan

404/667/201

15.08 2015

Kennemermeer strand, IJmuiden, Noord-Holland, The Netherlands

52°27'06"N 004°33'24"E

Zorgdrager, Jan

411/668/201

15.08 2015

IJmuiden Strand, Noord-Holland, The Netherlands

52°27'07"N 004°33'20"E

van Kleinwee, Maarten; Walta, Caroline

411/668/201

21.08 2015

Felison terminal, Vissershaven, IJmuiden, Noord-Holland, The Netherlands

52°27'45"N 004°35'06"E

Cottaar, Fred

417/666/200

28.08 2015

Felison terminal, Vissershaven, IJmuiden, Noord-Holland, The Netherlands

52°27'45"N 004°35'06"E

Cottaar, Fred

424/666/200

30.08 2015

IJmondhaven, IJmuiden, Noord-Holland, The Netherlands

52°27'39"N 004°34'14"E

Cottaar, Fred

426/666/201

05.09 2015

IJmondhaven, IJmuiden, Noord-Holland, The Netherlands

52°27'39"N 004°34'14"E

Verbeek, José

432/666/201

13.09 2015

IJmuiden Kennemer Strand , Noord-Holland, The Netherlands

52°27'11"N 004°33'21"E

van Kleinwee, Maarten; Zorgdrager, Jan

440/667/201

20.09 2015

IJmuiden Strand, Noord-Holland, The Netherlands

52°26'24"N 004°33'29"E

Muusse, Mars

447/669/201

25.09 2015

Katwijk, Binnenwatering, Zuid-Holland, The Netherlands

52°12'32"N 004°24'08"E

Spierenburg, Peter

452/696/201

09.10 2015

IJmuiden Strand, Noord-Holland, The Netherlands

52°26'24"N 004°33'29"E

Loeve, Merijn; Muusse, Mars

466/669/201

09.10 2015

IJmuiden haven, Noord-Holland, The Netherlands

52°27'34"N 004°35'08"E

Loeve, Merijn

466/666/200

27.10 2015

IJmuiden Strand, Noord-Holland, The Netherlands

52°26'24"N 004°33'29"E

Loeve, Merijn

484/669/201

03.11 2015

IJmuiden haven, Noord-Holland, The Netherlands

52°27'30"N 004°35'39"E

Tal, Tohar

491/666/200

17.01 2016

IJmuiden, Noord-Holland, The Netherlands

52°27'24"N 004°33'07"E

Hamann, Jörg

566/667/201

19.01 2016

IJmuiden Kennemer Strand, Noord-Holland, The Netherlands

52°27'11"N 004°33'21"E

Rotscheid, Rutger

568/667/201

22.01 2016

IJmuiden Strand, Noord-Holland, The Netherlands

52°26'24"N 004°33'29"E

Muusse, Mars

571/669/201

28.01 2016

IJmuiden, Forteiland, W- piertje., Noord-Holland, The Netherlands

52°27'50"N 004°34'25"E

Verbeek, José

577/666/201

01.02 2016

IJmuiden, Forteiland W- piertje, Noord-Holland, The Netherlands

52°27'50"N 004°34'24"E

Cottaar, Fred

581/666/201

27.02 2016

IJmuiden Zuidpierstrand, Noord-Holland, The Netherlands

52°27'33"N 004°33'04"E

Los, Martijn

607/667/201

29.02 2016

IJmuiden, Noord-Holland, The Netherlands

52°27'33"N 004°32'58"E

Roeland, Eric

609/667/201

07.03 2016

IJmuiden, Forteiland, W- piertje., Noord-Holland, The Netherlands

52°27'50"N 004°34'25"E

Verbeek, José

616/666/201

18.03 2016

IJmuiden Port - Trawlerkade, Noord-Holland, The Netherlands

52°27'24"N 004°35'08"E

van Kleinwee, Maarten; Zorgdrager, Jan

627/666/200

09.04 2016

IJmuiden, Forteiland, W- piertje., Noord-Holland, The Netherlands

52°27'50"N 004°34'25"E

Verbeek, José

649/666/201

06.05 2016

IJmuiden, Forteiland, W- piertje., Noord-Holland, The Netherlands

52°27'50"N 004°34'25"E

Verbeek, José

676/666/201

27.07 2016

IJmuiden, Forteiland, W- piertje., Noord-Holland, The Netherlands

52°27'50"N 004°34'25"E

Verbeek, José

758/666/201

30.07 2016

ijmuiden, strand zuidpier, Noord-Holland, The Netherlands

52°27'34"N 004°32'59"E

Zorgdrager, Jan

761/667/201

31.07 2016

IJmuiden Zuidpierstrand, Noord-Holland, The Netherlands

52°27'33"N 004°33'04"E

Zwaan, Klaas

762/667/201

20.08 2016

IJmuiden Strand, Noord-Holland, The Netherlands

52°27'34"N 004°32'59"E

Muusse, Mars

782/667/201

21.08 2016

IJmuiden, IJmondhaven., Noord-Holland, The Netherlands

52°27'37"N 004°34'13"E

Cottaar, Fred

783/666/201

22.08 2016

IJmuiden, IJmondhaven., Noord-Holland, The Netherlands

52°27'37"N 004°34'13"E

Verbeek, José

784/666/201

24.08 2016

IJmuiden, Forteiland, W- piertje., Noord-Holland, The Netherlands

52°27'50"N 004°34'25"E

Verbeek, José

786/666/201

27.08 2016

IJmuiden, Noord-Holland, The Netherlands

52°22'38"N 004°49'53"E

Zorgdrager, Jan

789/670/199

27.08 2016

ijmuiden, strand zuidpier, Noord-Holland, The Netherlands

52°22'38"N 004°49'53"E

Zorgdrager, Jan

789/670/199

28.08 2016

IJmuiden Zuidpierstrand, Noord-Holland, The Netherlands

52°27'33"N 004°33'04"E

Bos, Roely

790/667/201

02.09 2016

IJmuiden Zuidpierstrand, Noord-Holland, The Netherlands

52°27'33"N 004°33'04"E

Bos, Roely

795/667/201

04.09 2016

IJmuiden, IJmondhaven., Noord-Holland, The Netherlands

52°27'37"N 004°34'13"E

Verbeek, José

797/666/201

11.09 2016

ijmuiden, strand zuidpier, Noord-Holland, The Netherlands

52°27'34"N 004°32'59"E

de Jager, Kees

804/667/201

11.09 2016

IJmuiden Beach, Noord-Holland, The Netherlands

52°26'24"N 004°33'29"E

van Kleinwee, Maarten; Zorgdrager, Jan

804/669/201

16.09 2016

IJmuiden Kennemer Strand , Noord-Holland, The Netherlands

52°27'11"N 004°33'21"E

Zorgdrager, Jan

809/667/201

20.09 2016

IJmuiden Zuidpierstrand, Noord-Holland, The Netherlands

52°27'33"N 004°33'04"E

Zwaan, Klaas

813/667/201

21.09 2016

IJmuiden, Noord-Holland, The Netherlands

52°27'31"N 004°33'08"E

venhuis, sjek

814/667/201

24.09 2016

IJmuiden Zuidpierstrand, Noord-Holland, The Netherlands

52°27'33"N 004°33'04"E

Zwaan, Hidde; Zwaan, Klaas

817/667/201

25.09 2016

IJmuiden, Noord-Holland, The Netherlands

52°27'24"N 004°33'07"E

Hamann, Jörg

818/667/201

26.09 2016

IJmuiden Strand, Noord-Holland, The Netherlands

52°26'24"N 004°33'29"E

Muusse, Mars

819/669/201

below: Great Black-backed Gull (Larus marinus) JU754 (3CY), September 26 2016, IJmuiden, the Netherlands.

P7/P10.

below: Great Black-backed Gull (Larus marinus) JU754 (3CY), August 30 2016, IJmuiden, the Netherlands.

P6/P9.

below: Great Black-backed Gull (Larus marinus) JU754 (3CY), August 20 2016, IJmuiden, the Netherlands.

below: Great Black-backed Gull (Larus marinus) JU754 2nd cycle (3CY), March 18 2016, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.

Compare with October 2015, and see how the upperparts have changed over the winter period.

below: Great Black-backed Gull (Larus marinus) JU754 2nd cycle (3CY), January 22 2016, IJmuiden, the Netherlands.

2nd gen P10 fully grown, showing a small but distinct mirror. Coverts from partial autumn moult appear blackish.

below: Great Black-backed Gull (Larus marinus) JU754 2nd cycle (2CY), October 09 2015, IJmuiden, the Netherlands.

2nd gen P10 fully grown, showing a small but distinct mirror. Partial autumn moult started.

below: Great Black-backed Gull (Larus marinus) JU754 2nd cycle (2CY), September 20 2015, IJmuiden, the Netherlands.

P9/-. P10 halfway, another example for 2nd gen P10 in GBBG showing a small but distinct mirror.

below: Great Black-backed Gull (Larus marinus) JU754 1st cycle (2CY), April 24 2015, IJmuiden, the Netherlands. Picture: Fred Hopman.

All scaps replaced. P1 shed, so technically complete moult has commenced.

below: Great Black-backed Gull (Larus marinus) JU754 1st cycle (1CY), December 20 2014, IJmuiden, the Netherlands.

Upper scapulars replaced. Replaced body feathers on flank, side of breast and head. Otherwise juvenile plumage.