Grafham Water - 10 September 2012

A long morning covering the south side of the reservoir and the dam to the Marlow Car Park in fresh ssw winds mostly cloudy with the odd spot of rain....

Larids provided the most interest again with 5+ yellow-legged Gulls and an intriguing yellow-legged presumed argentatus Herring Gull; a single juvenile Mediterranean Gull distantly and an adult Little Gull also seen distantly in Sanctuary Bay late morning; just two Common Terns  an adult and a juvenile. Waders were in very short supply with 11 Lapwings high south; 3 Common Snipe and 5 Green Sandpipers at the lagoons; 3 Common Sandpipers and the Oystercatcher were still on the dam. A departure of passerines was apparent with Yellow Wagtails down to c. 30, just 3 Meadow Pipits and warblers limited to 15 Chiffchaffs, 2 Willow Warblers and c20 Blackcaps. c 30 Swallows through south, ditto a single Hobby and a lone Crossbill flew over eastwards....

presumed argentatus Herring Gull with yellow legs - the structure
and bluey grey tones are typical arngentatus, note the very pale eye
and lack of prominent orange/red eyering

although the primaries are still growing, the extent of black and
the white tips are typical of argentatus 



in stark contrast to Kodak grey scale obsessions, a Comma on blackberries  

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