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) adult, November 02 2008, Fraserburgh, Scotland. Pictures: Chris Gibbins.
Age adult winter. Classic bird.
Primary category: Stage 0, unmarked white wingtip. (see: primary patterns for explanation). Within the classification, about 4% of Kumlien's Gulls in New Foundland fall into this category.
Yellow iris without obvious speckling. Class 1: yellow iris, 0% > 1% speckling. (see chart).

|