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 1st cycle (2CY) January 23 2013, Quidi Vidi Lake, St. John's, Newfoundland. Picture: Jan Baert.

Age 2cy: black bill with slightly paler base, dark iris and most upper scapulars replaced recently (note buffish tone to these fresh feathers). Pattern on outer primaries close to glaucoides, with pale base and arrow-head pattern.