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
Iris classification
Primary classification

1cy Aug - Dec

2cy Jan - Febr
2cy Mar - Apr
2cy summer
2cy Sept - Dec

3cy Jan - Febr
3cy Mar - Apr
3cy summer
3cy Sept - Dec

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

adult Jan - Febr
adult Mar - Apr
adult summer
adult Sept - Dec

Iceland Gull (glaucoides) 1cy-2cy, 2011-2012, Neeltje Jans, the Netherlands. Pictures: Kris de Rouck & Edward Minnaar, Pim Wolf, Marcel Klootwijk.

Age 1st winter: showing dark bill with pale base, dark iris, arrow points at primaries and juvenile plumage. present for more than a month.

Primary category: --

below: 1cy, December 20 2011, Neeltje Jans, the Netherlands. Pictures: Edward Minnaar.

No contrast in shade of grey-brown on primaries. Sub-terminal patterns most obvious on inner primaries. Still on the single feather, outer-webs are obvious darker than inner-webs when looking closer at the outer primaries.

below: 1cy, December 19 2011, Neeltje Jans, the Netherlands. Pictures: Marcel Klootwijk.

below: 2cy, January 04 2012, Neeltje Jans, the Netherlands. Pictures: Pim Wolf.

below: 2cy, January 15 2012, Neeltje Jans, the Netherlands. Pictures: Kris de Rouck.