1CY Caspian Gull (-type) White 062:U – 20140907

Images of 1st-calendar year Caspian Gull Larus cachinnans White 062:U, seen in Petten, the Netherlands, 7 September 2014.

It was ringed in the Czech Republic where ringing also takes place in colonies mixed with Yellow-legged Gull so identification is not always straight forward. The possibility that this is not a pure bird is therefore not unlikely.

[Edit: it was ringed in June of this year as a Caspian Gull near the Czech/Austrian border.)

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