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

Kumlien's Gull (kumlieni) 3cy, January 27 2012, St John's, Newfoundland, Canada. Picture: Bruce Mactavish.

Age 2nd winter: showing predominant dark bill, patterned 2nd generation coverts, patterned undertail coverts, rounded 2nd generation primaries and dark iris. Noe fresh 2nd gen outer lowqer lesser coverts showing buffish tones, indicating 2nd winter age.

Primary category: --

Overall immature looking bird, with outer primaries contrastingly darker than central primaries.