1cy Lesser Black-backed Gulls in juvenile plumage – 20131103

Some interesting first-calendar year Lesser Black-backed Gulls Larus fuscus (intermedius) in (almost) full juvenile plumage. Note the light underparts of the first individual compared to the darker plumage of bird number 2.

Seen in Leiden, The Netherlands, 3 November 2013.

Bird #1

First-calendar year Lesser Black-backed Gull in full juvenile plumage. Leiden, The Netherlands, 3 November 2013.

First-calendar year Lesser Black-backed Gull in full juvenile plumage. Leiden, The Netherlands, 3 November 2013.

First-calendar year Lesser Black-backed Gull in full juvenile plumage. Leiden, The Netherlands, 3 November 2013.

First-calendar year Lesser Black-backed Gull in full juvenile plumage. Leiden, The Netherlands, 3 November 2013.

First-calendar year Lesser Black-backed Gull in full juvenile plumage. Leiden, The Netherlands, 3 November 2013.

First-calendar year Lesser Black-backed Gull in full juvenile plumage. Leiden, The Netherlands, 3 November 2013.

Bird #2

First-calendar year Lesser Black-backed Gull in full juvenile plumage. Leiden, The Netherlands, 3 November 2013.

First-calendar year Lesser Black-backed Gull in almost full juvenile plumage: only a few upper scapulars have been replaced. Leiden, The Netherlands, 3 November 2013.

First-calendar year Lesser Black-backed Gull in full juvenile plumage. Leiden, The Netherlands, 3 November 2013.

First-calendar year Lesser Black-backed Gull in full juvenile plumage. Leiden, The Netherlands, 3 November 2013.

First-calendar year Lesser Black-backed Gull in full juvenile plumage. Leiden, The Netherlands, 3 November 2013.

First-calendar year Lesser Black-backed Gull in full juvenile plumage. Leiden, The Netherlands, 3 November 2013.

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