Great Black-backed Gull (Larus marinus)
(last update: July 12, 2015)
Great Black-backed Gull (Larus marinus) JW068 2cy, June 01 & August 07 2011, IJmuiden, The Netherlands. Picture: Maarten van Kleinwee, Jan Zorgdrager, Mars Muusse.
Ringinfo: ringed as pullus on June 30, 2010, at Græsholm, Denmark.
Date |
Place |
Coordinates |
Observers |
30.06 2010 |
Græsholm, Hirsholmene, Frederikshavn, Nordjylland, Denmark |
57°29'32"N 010°36'30"E |
Haupt, Matthias |
05.02 2011 |
IJmuiden Forteiland, Noord-Holland, The Netherlands |
52°28'00"N 004°34'00"E |
Verbeek, Kees |
01.06 2011 |
IJmuiden Strand, Noord-Holland, The Netherlands |
52°27'28"N 004°33'10"E |
Muusse, Mars |
08.06 2011 |
IJmondhaven, IJmuiden, Noord-Holland, The Netherlands |
52°27'39"N 004°34'10"E |
Verbeek, Kees |
01.07 2011 |
IJmuiden, Halkade, fish market, Noord-Holland, The Netherlands |
52°27'34"N 004°35'34"E |
Zorgdrager, Jan |
07.08 2011 |
IJmuiden Harbour (Kotterkade), The Netherlands, The Netherlands |
52°27'41"N 004°35'01"E |
van Kleinwee, Maarten |
09.08 2011 |
IJmuiden, harbour, The Netherlands, The Netherlands |
52°27'27"N 004°35'00"E |
Verbeek, Kees |
below: JW068 2cy, August 07 2011, IJmuiden. Pictures: Maarten & Jan.
All of the mantle feathers and scapulars, as well as most of the feathers in the wing have been replaced by fresh, new generation feathers. Only the lower tertials are missing and a few inner greater coverts have been dropped. P10 is also still first-generation.
below: JW068 2cy, July 01 2011, IJmuiden. Picture Jan Zorgdrager.
below: JW068 2cy, June 07 2011, IJmuiden. Picture Fred Hopman.
below: JW068 2cy, June 01 2011, IJmuiden.
Start of the complete moult. Mc replaced, llc missing.
