Larus cachinnans

(last update: February 16, 2013)

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3cy January
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sub-adult January
sub-adult February
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sub-adult August
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sub-adult December

adult January
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Larus cachinnans 1CY-3CY PHUK October 2011 - June 2013, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Yellow PHUK and metal PLG DN-27581; ringed as pullus on May 26 2011 at Kozielno, Paczkow, S-SW Poland, (50°29' N,  16°58' E).

Recoveries:

PHUK	DN 27581		26-5-2011	ZB. Kozielno, Paczkow	pull	50°29' N	16°58' E
PHUK	DN 27581		2-9-2011	Dümmer, Lehmbruch	1cy	52°31'29" N	08°21'21" E	cach, juv/1W
PHUK	DN 27581		13-9-2011	Windheim, Sandpit	1cy	52°24'50" N	09°01'49" E	cach, juv/1W no new coverts on left side (maybe the inner greater C)
PHUK	DN 27581		28-9-2011	Deponie Pohlsche Heide	1cy	52°23' N	08°46' E	cach, juv/1W with few new coverts on both sides
PHUK	DN 27581		13-10-2011	Deponie Pohlsche Heide	1cy	52°23' N	08°46' E
PHUK	DN 27581		20-10-2011	Deponie Pohlsche Heide	1cy	52°23' N	08°46' E
PHUK	DN 27581		28-10-2011	Deponie Pohlsche Heide	1cy	52°23' N	08°46' E
PHUK	DN 27581		4-11-2011	Deponie Pohlsche Heide	1cy	52°23' N	08°46' E
PHUK	DN 27581		26-11-2011	Deponie Pohlsche Heide	1cy	52°23' N	08°46' E
PHUK	DN 27581		6-1-2012	Deponie Pohlsche Heide	2cy	52°23' N	08°46' E
PHUK	DN 27581		20-9-2012	Deponie Pohlsche Heide	2cy	52°23' N	08°46' E
PHUK	DN 27581		4-10-2012	Deponie Pohlsche Heide	2cy	52°23' N	08°46' E
PHUK	DN 27581		30-10-2012	Deponie Pohlsche Heide	2cy	52°23' N	08°46' E
PHUK	DN 27581		19-11-2012	Deponie Pohlsche Heide	2cy	52°23' N	08°46' E
PHUK	DN 27581		20-6-2013	Schinna Baggersee östlich	3cy	52°32'05"	09°05'52"
PHUK	DN 27581		25-6-2013	Schinna Baggersee östlich	3cy	52°32'05"	09°05'52"

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).

below: cachinnans 1CY PHUK October 28 2011, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

PHUK is classic cachinnans. Juvenile coverts are pale brown, 2nd gen scaps have greyish base. Several inner coverts replaced for 2nd gen feathers. White on head, underwing and underparts.

below: cachinnans 1CY PHUK November 26 2011, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

below: pale underwing.

below: obvious difference between 1st and 2nd gen coverts.

below: cachinnans 2CY PHUK January 06 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

below: pale underwing. Fight with Herring Gull.

below: cachinnans 2CY PHUK September 20 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

below: complete moult almost finished. Note mirror on P10.

below: cachinnans 2CY PHUK October 04 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

below: complete moult finished. Many inner coverts and complete row of MC again replaced in partial autumn moult.

below: cachinnans 2CY PHUK October 30 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

below: showing 2nd gen primaries and secondaries.

below: cachinnans 3CY PHUK June 20 2013, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

below: now with grey saddle and after spring moult with white underparts and head. At the moment, active complete moult with missing outer GC.

below: cachinnans 3CY PHUK June 25 2013, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

below: P1-P4 new, P7-P10 old.