Larus cachinnans

(last update: February 16, 2013)

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

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cachinnans plumages

Larus cachinnans hybrid? 2CY HX86 January - March 2011, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Red HX86 and metal Wilhelmshaven/Helgoland (DEW) N007023, ringed as 1CY in winter on December 07 2010 at Eckernförde, N. Germany. Ringed as cachinnans, and longcall as in cachinnans. However, dark underwing, chequered GC, bill shape and head shape may indicate influence from Herring Gull.

Recoveries:
Wilhelmshaven HX86 N007023 7-12-2010 Eckernförde, Hafen 1cy 54°29' N 09°50' E
Wilhelmshaven HX86 N007023 8-1-2011 Deponie Pohlsche Heide 2cy 52°23' N 08°46' E
Wilhelmshaven HX86 N007023 28-1-2011 Deponie Pohlsche Heide 2cy 52°23' N 08°46' E
Wilhelmshaven HX86 N007023 3-2-2011 Deponie Pohlsche Heide 2cy 52°23' N 08°46' E
Wilhelmshaven HX86 N007023 18-2-2011 Deponie Pohlsche Heide 2cy 52°23' N 08°46' E
Wilhelmshaven HX86 N007023 25-2-2011 Deponie Pohlsche Heide 2cy 52°23' N 08°46' E
Wilhelmshaven HX86 N007023 3-3-2011 Deponie Pohlsche Heide 2cy 52°23' N 08°46' E

below:cachinnans hybrid? 2CY HX86 January 08 2011, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Below: with 2CY and 3CY Herring Gulls.

below:cachinnans hybrid? 2CY HX86 January 28 2011, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

below:cachinnans hybrid? 2CY HX86 February 03 2011, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

below:cachinnans hybrid? 2CY HX86 March 03 2011, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Picture below recalls Herring Gull traits.