Larus cachinnans

(last update: February 16, 2013)

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sub-adult January
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Larus cachinnans 4CY UKK L-010275 January 28 2013, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Metal ring from Kiev, Ukraine, L-010275, cachinnans ringed as pullus on June 05 2010 in Kreminchuk Reservoir, Cherkassy O. Ukraine (49°24'00"N, 32°09'00"E).

Recoveries for UKK L-010275:

L 010275	5-6-2010	Kreminchuk Reservoir, Cherkassy O.	pull	49°24'00"	32°09'00"
L 010275	28-1-2013	Deponie Pohlsche Heide	4cy	52°23'04"	08°46'53"

Classic bird, much adult-like but with several almost blackish immature patterned feathers (note especially greater primary coverts) and much black on bill.

below: cachinnans 4CY UKK L-010265 February 13 2013, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

For comparison, a very retarded bird, same age, same colony, same ringing date.

L010265, resting bird could be misidentified as 3CY bird (2nd cycle). Hardly any mirror on 3rd gen P10! Extensive dark in secondaries and many coverts and lower tertials showing immature patterns. Pale eyed individual. If without ring, such birds only aged safely on pattern on P5 and inner primaries.