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) 3cy, January 21-22 2012, Den Oever, the Netherlands. Pictures: M. Martens, Rob Halff, Cock Reijnders & Herman Bouman.

Age 3cy: showing bi-coloured bill with pale base, pale brown iris, faint greyish brown centres of primaries and vermiculation on most of the coverts. Scapulars still vermiculated as well, no adult-like feathers.

Primary category: --

below: January 21-22 2012, Den Oever, the Netherlands. Pictures: M. Martens.

Note pale fringe to primaries, smallest on outer primaries. Note also few adult-like grey feathers in scapulars.

below: January 22 2012. Pictures: Herman Bouman.

below: January 21 2012. Pictures: Rob Halff.

below: January 21 2012. Pictures: Hans Brinks.

below: January 21 2012. Pictures: Cock Reijnders.