Larus cachinnans

(last update: February 16, 2013)

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

Home

cachinnans plumages

Larus cachinnans 1CY-2CY-3CY PKAX September 2011, January-March 2012, April 2013, Minden, Germany. Picture: Armin Deutsch.

Yellow PKAX and metal PLG DN-27653; ringed as pullus on May 26 2011 at Kozielno, Paczkow, S-SW Poland, (50°29' N,  16°58' E).

Recoveries:
PKAX 26-5-2011 ZB. Kozielno, Paczkow 50°29' N 16°58' E
PKAX 13-9-2011 Deponie Pohlsche Heide 52°23' N 08°46' E
PKAX 13-10-2011 Deponie Pohlsche Heide 52°23' N 08°46' E
PKAX 18-1-2012 Deponie Pohlsche Heide 52°23' N 08°46' E
PKAX 28-3-2012 Deponie Pohlsche Heide 52°23' N 08°46' E
PKAX 2-4-2013 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).

PKAX is classic cachinnans.

below: cachinnans 1CY PKAX September 13 2011, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Very long-legged and long-billed bird. Over half of the scapulars replaced, wing-coverts and tertials still juvenile.

below: cachinnans 2CY PKAX January 18 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

All scapulars, except a single feather, replaced, in wing-coverts single central MC and central LLC replaced, tertials still juvenile.

below: cachinnans 2CY PKAX March 28 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Note venetian blind effect on inner primaries. P1-P10 still juvenile.

below: cachinnans 3CY PKAX April 02 2013, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Still no completely grey saddle. 2nd gen P10 without mirror (at least in left wing).