Larus cachinnans

(last update: February 16, 2013)

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cachinnans in Poland

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cachinnans plumages

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

adult January
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Larus cachinnans 1CY PLAH August 21 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Yellow PLAH and metal PLG DN-28801; ringed as pullus on May 25 2012 at Kozielno, Paczkow, S-SW Poland, (50°28' N,  16°58' E).

Recoveries:

PLAH	25-5-2012	ZB. Kozielno, Paczkow	50°28'35" N	16°58'54" E
PLAH	21-8-2012	Deponie Pohlsche Heide	52°23' N	08°46' E
PLAH	21-8-2012	Minden, Osthafen	52°18' N	08°56' 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).

PLAH is cachinnans. Some upper scapulars replaced, lowest row of scapulars still juvenile with post-stamp fringe, delicate notching which is repeated on wing-coverts (MC, LLC and LC). Single wing-coverts replaced in post-juvenile moult as well, notably in central MC. Tertials juvenile. Some patterning on underwing, but mostly pale. Note a single central GC in left wing replaced, also missing a secondary in this location (so maybe small injury after fight).