glaucoides - kumlieni
(last update: January 26, 2012)
Iceland Gull (glaucoides) adult, January 22 2011, Peterhead, Scotland. Pictures: Chris Gibbins.
Age adult winter. Classic bird. Note irregularities in secondary moult and contrast between fresh inner and worn outer primaries.
Primary category: Stage 0, unmarked white wingtip. (see: primary patterns for explanation).
Yellow iris without obvious speckling. Class 1: yellow iris, 0% > 1% speckling. (see chart).