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) JU963 1st cycle (2CY), January - March 2016, IJmuiden, the Netherlands.

CR-Code Black ring with white code: JU963 LBNW(JU963);RBM
Ringing Centre Stavanger Museum (Norway) Ring number 3049043
Species Great Black-backed Gull  Larus marinus
Sex Unknown Age Pullus

Date

Place

Coordinates

Observers

Days/km/°

29.06 2015

Ytre Hattholmen, Mandal, Vest-Agder, Norway

58°00'09"N 007°26'49"E

Helberg, Morten

-

18.01 2016

IJmuiden, Sluizen, Buitenspuikanaal., Noord-Holland, The Netherlands

52°28'15"N 004°36'01"E

Verbeek, José

203/641/197

22.01 2016

IJmuiden Strand, Noord-Holland, The Netherlands

52°26'24"N 004°33'29"E

Muusse, Mars

207/645/197

13.02 2016

IJmuiden, Haven, Halkade., Noord-Holland, The Netherlands

52°27'31"N 004°35'42"E

Verbeek, José

229/642/197

19.02 2016

IJmuiden Port - Trawlerkade, Noord-Holland, The Netherlands

52°27'24"N 004°35'08"E

van Kleinwee, Maarten

235/643/197

06.03 2016

IJmuiden Haven, Noord-Holland, The Netherlands

52°27'43"N 004°34'52"E

Muusse, Mars

251/642/197

below: Great Black-backed Gull (Larus marinus) JU963 1st cycle (2CY), March 06 2016, IJmuiden, the Netherlands.

Flight feathers, coverts and tertials juvenile.

below: Great Black-backed Gull (Larus marinus) JU963 2CY, February 19 2016, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.

US: 100%, LS: 25-50%, TOT SCAPS: 50-75%. Tertials and coverts juvenile.

below: Great Black-backed Gull (Larus marinus) JU963 1st cycle (2CY), January 22 2016, IJmuiden, the Netherlands.

2nd gen scaps, coverts and tertials juvenile.