Larus cachinnans

(last update: February 16, 2013)

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1cy August
1cy September
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1cy December

2cy January
2cy February
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2cy April
2cy May
2cy June
2cy July
2cy August
2cy September
2cy October
2cy November
2cy December

3cy January
3cy February
3cy March
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3cy May
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3cy July
3cy August
3cy September
3cy October
3cy November
3cy December

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

adult January
adult February
adult March
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adult May
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adult July
adult August
adult September
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adult December

Larus cachinnans 1CY 29P4 October 09 2014, Boulogne-sur-Mer, France. Picture: Jean-Michel Sauvage.

Red ring from Poland used in 2014. 300 pulli were ringed this year, all pulli in May 2014 at the Kozielno colony, Paczkow, Poland, ringed by Jacek Betleja.
Ringing data: red 20P2 and metal PLG DN31229, ringed as pullus on May 15 2014 at ZB.KOZIELNO,PACZKÓW, POLAND (50°28'35.8''N 16°58'54.2''E).

History:
11.08.2014 Dźwirzyno, ZACHODNIOPOMORSKIE, POLAND (54°9'33.9''N 15°23'36.2''E). 423 Km.
17.10.2014 Boulogne-sur-mer, FRANCE. Distance parcourue : 1084 Km.

Heavily streaked bird with strong high bill. Probably all falling just within limits for pure cachinnans, but some michahellis influence is also possible in this colony.
By October, most scapulars replaced 2nd gen, and post-juvenile moult in coverts and tertials: GC2, MC2-3 and probably some MC missing. Would be good to see it back in November.