Larus cachinnans

(last update: February 16, 2013)

Coordinator:
Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)

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cachinnans plumages

Larus cachinnans 1CY PNDT August 30 2013, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Yellow PNDT, ringed as pullus on May 24 2013 at Kozielno, Paczkow, S-SW Poland, (50°28' N,  16°58' E).

Recoveries:
PNDT 24-5-2013 ZB. Kozielno, Paczkow 50°28'35" N 16°58'54" E
PNDT 30-8-2013 Deponie Pohlsche Heide 52°23'04"  08°46'53"
PNDT 30-8-2013 Wietersheim 52°19'54"  08°56'43"

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).

PNDT is cachinnans. Very irregular moult sequence, with jumpy pattern in GC, MC and upper LC. Scapulars too are a mix of (older) juvenile and recently replaced 2nd gen feathers. Already replacing upper tertials.