1CY Caspian Gull White 062:U – 20141012

Images of 1st-calendar year Caspian Gull Larus cachinnans White 062:U, seen at the beach of IJmuiden, the Netherlands, 12 October 2014.

It was ringed in June of this year near the Czech/Austrian border.

W[062-U]-20141012

W[062-U]-20141012-2

W[062-U]-20141012-3

W[062-U]-20141012-4

I first observed this bird on 7 September 2014, so it is interesting to compare the moult progression in the scapulars and coverts:

W[062-U]-2014-comparison

For more images, see 1CY Caspian Gull (-type) White 062:U – 20140907

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