glaucoides - kumlieni

(last update: January 26, 2012)
Coordinators:
Dave Brown (Canada)
Bruce Mactavish (Canada)
Chris Gibbins (Scotland)
Peter Adriaens (Belgium)
Mars Muusse (Netherlands)

PDF's
Ringed birds
Iris classification
Primary classification

1cy Aug - Dec

2cy January
2cy February
2cy Mar - Apr
2cy summer
2cy Sept - Dec

3cy January
3cy February
3cy Mar - Apr
3cy summer
3cy Sept - Dec

sub-ad Jan - Apr
sub-ad summer
sub-ad Sept - Dec

adult January
adult February
adult Mar - Apr
adult summer
adult Sept - Dec

Iceland Gull (glaucoides) 2cy, January 2012, Petten, the Netherlands. Pictures: Jan Stok, Joke Huijser, Folkert de Boer, Hans Brinks, Rob Halff, Ruwan Aluvihare Peter Boltjes, I. v.d. Brugge & Koos Bakker.

Age 2cy: showing dark bill with pale base, dark iris, arrow points at primaries and predominantly juvenile plumage.

Primary category: --

below: January 24 2012, Petten, the Netherlands. Pictures: Rob Halff.

below: January 17 2012, Petten, the Netherlands. Pictures: Jan Stok.

Several birds are present at this location. Note replaced scapulars, these 2nd generation feathers have more buffish centres than adjacent feathers. Moult stage in this bird probably makes it individually recognisable.

below: January 15 2012, Petten, the Netherlands. Picture: Joke Huijser.

below: January 15 2012, Petten, the Netherlands. Picture: Koos Bakker.

below: January 14 2012, Petten, the Netherlands. Pictures: Peter Boltjes.

below: January 14 2012, Petten, the Netherlands. Pictures: I. v.d. Brugge.

below: January 14 2012, Petten, the Netherlands. Pictures: Hans Brinks.

below: January 11 2012, Petten, the Netherlands. Pictures: Jan Stok.

below: January 07 2012, Petten, the Netherlands. Pictures: Rob Halff.

below: January 04 2012, Petten, the Netherlands. Pictures: Ruud Brouwers.

below: January 02 2012, Petten, the Netherlands. Pictures: Ruwan Aluvihare.

below: January 02 2012, Petten, the Netherlands. Pictures: Folkert de Boer.

below: January 01 2012, Petten, the Netherlands. Pictures: Jan Stok.