Mew Gull Larus canus canus; heinei; kamtschatschensis; brachyrhynchus

(last update: March 12, 2012)
Coordinators:
Kjeld Tommy Pedersen (Denmark)
Chris Gibbins (Scotland)
Frank Majoor (Netherlands)
Mars Muusse (Netherlands)

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PDF's Larus canus

1cy June - August
1cy September - October
1cy November - December

2cy January - February
2cy March - April
2cy May - August
2cy September - October
2cy November - December

3cy January - February
3cy March - April
3cy May - August
3cy September - December

adult January - February
adult March - April
adult May - August
adult September - October
adult November - December

Mew Gull canus 3rd cycle type (adult?), December 16 2016, Katwijk aan Zee, the Netherlands.

Broken bill-band, streaking concentrated in hindneck with addfition streaking on nape and crown, honey-coloured iris with obvious speckling (depends on observation angle, see image 1).

Mirror on P9 and P10, short tongues on P8-P10, very thin crescent as tong-tip on P7, broad band on P5, broken band on P4 and black spot on P3. Some sharp black centres on primary-coverts.