Great Black-backed Gull
L. marinusAngry-looking adult, VAM rubbish-dump 19 December 1999. Note the yellowish tinge in the legcolour, which some birds seem to have in winter
VAM rubbish-dump, 19 December 1999. Could this be a 4th winter?
2nd winter. VAM rubbish-dump 19 December 1999
1st summer/2nd winter. Lauwersoog, Groningen 24 August 1999
1st winter. VAM rubbish-dump, 19 December 1999. A rather small individual (probably female), just a bit larger than the surrounding Herring Gulls. Note the typical warm toned 1st winter scapulars
Juvenile. Eemshaven Groningen, 28 August 1999
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