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 Jan - Febr
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) 4cy, February 12 2012, St John's, Newfoundland, Canada. Picture: Dave Brown.

Age 4cy: showing adult-like inner primaries, yellow bill with dark band near the gonys, and several immature patterns on coverts, indicating 4cy, rather than 5cy. Obvious pattern on primaries: darker sub-terminal bands on P7-P10.

Primary category: --