Great Black-backed Gull (Larus marinus)
(last update: July 12, 2015)
Great Black-backed Gull (Larus marinus) JU137 1st cycle, December 2014 & February - March 2015, IJmuiden, the Netherlands.
CR-Code Black ring with white code: JU137 LBNW(JU137);RBM
Ringing Centre Stavanger Museum (Norway) Ring number 3006642
Species Great Black-backed Gull Larus marinus
Sex Unknown Age Pullus
| Date | Place |
Coordinates |
Observers |
Days/km/° |
01.07 2014 |
Tollakskjæret, Farsund, Vest-Agder, Norway |
58°04'01"N 006°52'02"E |
Olsen, Knut Sigbjørn |
- |
18.10 2014 |
IJmuiden, Haven, Industriestraat, Noord-Holland, The Netherlands |
52°27'26"N 004°35'22"E |
Verbeek, José |
109/640/193 |
20.12 2014 |
ijmuiden, Noord-Holland, The Netherlands |
52°27'26"N 004°34'59"E |
Altenburg, Ruud, Muusse, Mars |
172/640/194 |
below: Great Black-backed Gull (Larus marinus) JU137 1st cycle (1CY), December 20 2014, IJmuiden, the Netherlands.
Lower row of mantle feathers and lower row of scapulars still juvenile. Replaced body feathers on flank, side of breast and head. Otherwise juvenile plumage.
First image, with JU754 in background.
below: Great Black-backed Gull (Larus marinus) JU137 1st cycle (2CY), February 08 2015, IJmuiden, the Netherlands. Picture: Jasper Koster.
US: 75-99%, LS: 75-99%, TOT SCAPS: 75-99%. Tertials and coverts juvenile.
below: Great Black-backed Gull (Larus marinus) JU137 1st cycle (2CY), March 16 2015, IJmuiden, the Netherlands.
US: 75-99%, LS: 75-99%, TOT SCAPS: 75-99%. Tertials and coverts juvenile.
