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Sunday, 14 December 2008

Black-headed Gull - Larus ridibundus - Hættemåge

Age class:

Individual observations:

Themes:

Black-headed Gull with dark primary pattern - 1 cy

Black-headed Gull with pale median coverts - 2 cy

Black-headed Gull with aberrant colours or leucisme - 2008 (returning individual)

Black-headed Gull with aberrant colours or leucisme - 2009 (returning individual)

Black-headed Gull with aberrant colours or leucisme - 2010 (returning individual)

Black-headed Gull with aberrant colours or leucisme - 2010 (returning individual)

Black-headed Gull with aberrant colours or leucisme - 2010

Black-headed Gull with aberrant colours or leucisme - 2011
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      • Great Black-backed Gull - Larus marinus - Svartbag
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