Albert de Jong
Larus cachinnans 2CY & 4CY V8X6 February - March 2008 & January 2010, Copenhagen, Denmark & Simrishamn, Sweden. Picture: Hans Larsson. & Lars Krogh.
Yellow V8X6, ringed in Denmark in winter.
below: cachinnans 2CY V8X6 February 01 2008, Copenhagen, Denmark. Picture: Lars Krogh.
Yet to be ringed. Scapulars replaced, few new 2nd gen coverts.
below: cachinnans 2CY V8X6 March 26 2008, Copenhagen, Denmark. Picture: Lars Krogh.
Ringed. Plumage identical, but scapular moult progresses at slow pace.
below: cachinnans 4CY V8X6 January 21 2010, Simrishamn, Sweden. Picture: Hans Larsson.
Much black on bill and dark patches on greater primary coverts.