Larus cachinnans

(last update: February 16, 2013)

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cachinnans in Poland

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cachinnans plumages

1cy August
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2cy January
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3cy January
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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
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Larus cachinnans 2CY PKAC June 06 & November 19 2012, Schinna & Minden, Germany. Picture: Armin Deutsch.

Yellow PKAC and metal PLG DN-27641; ringed as pullus on May 26 2011 at Kozielno, Paczkow, S-SW Poland, (50°29' N,  16°58' E).

Recoveries:

PKAC	26-5-2011	ZB. Kozielno, Paczkow	50°29' N	16°58' E
PKAC	28-3-2012	Minden, Osthafen	52°18' N	08°56' E
PKAC	6-6-2012	Sandpit Schinna	52°32'05"	09°05'52"
PKAC	19-11-2012	Deponie Pohlsche Heide	52°23' N	08°46' E

In this area are mixed breeding colonies (near Katowice), with far most birds breeding here are cachinnans, but in this area also records of very few michahellis from the south (e.g. ringed female from Italy) and argentatus from eastern Germany are possible (see PDF).

PKAC is classic cachinnans.

below: cachinnans 2CY PKAC June 06 2012, Schinna, Germany (52°32'05N, 09°05'52E). Picture: Armin Deutsch.

Bird in complete moult: P1-P3 new, P4-P5 growing, P6 missing, P7-P10 old juvenile. All secondaries and rectrices still juvenile. New wing-coverts are boldly barred.

below: cachinnans 2CY PKAC November 19 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

At end of partial autumn moult. Compare to images from June and note all MC replaced again, now looking greyish. Also replaced: upper TT1-2, inner GC1-3 and probably a few single lesser coverts.