Thursday 12 January 2012

Adult Kumlien's Gull, Peterhead, 12 Jan

This beauty was present yesterday afternoon. It is at the paler end of the Kumlien's range -formally, it has what can be described as 'stage 1' primary pigmentation (Howell and Mactavish, 2003). Its eye is slightly cloudy and its upperpart grey tone fractionally darker than a glaucoides.

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