Larus cachinnans

(last update: February 16, 2013)

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cachinnans in Poland

cachinnans in Holland

cachinnans rings

cachinnans plumages

1cy August
1cy September
1cy October
1cy November
1cy December

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

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

Larus cachinnans 2CY PLDC September 20 2013, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Yellow PLDC and metal PLG DN-28846; ringed as pullus on May 25 2012 at Kozielno, Paczkow, S-SW Poland, (50°28' N,  16°58' E).

Recoveries:

PLDC	25-5-2012	ZB. Kozielno, Paczkow	50°28'35" N	16°58'54" E
PLDC	20-9-2013	Deponie Pohlsche Heide	52°23'04"	08°46'53"
PLDC	26-9-2013	Deponie Pohlsche Heide	52°23'04"	08°46'53"

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).

PLDC is cachinnans. Complete moult finished, P10 fully grown and gap in secondaries closed. A subsequent partial autmn moult only involves a few feather tracts. Here is a bird with a classic sequence: replacing upper TT, inner GC, (almost?) complete MC row, and several LLC and/or LC. Still no completely grey saddle in PLDC.

Last picture with 1CY cachinnans (left) and same aged 2CY argentatus (right, note differences in coloration).