Grafham Water 21 July 2012

A long morning on the dam and around the lagoons in warm almost anticyclonic weather...


The migratory cycle moves forward another notch - 2 Ospreys this morning an adult roving widely over the reservoir until it flew off strongly south at  09:55 then a different adult bird with distinctive primary moult appeared over the dam at 10.20 before flying off ENE and putting all the gulls up over Diddington Pit. A single adult Hobby over the model farm again; a Common Buzzard displaying over Diddington Wood; 16 Yellow-legged Gulls initially around the dam then dispersing; a lone adult Common Gull dropped in from a great height to rest and bathe near the dam followed by a group of 12 high west; a distant adult Caspian Gull was beyond photographic range perched on a buoy in the heat haze late morning;  9 Green Sandpipers on the lagoons; 1 adult schinzii Dunlin on the dam; 3 adult Redshanks in form the north went off west; 1 Whimbrel over SW at 11.15; 16 Yellow Wagtails was a higher count and presumably included local adults & juveniles as well as early dispersing adults from elsewhere; family groups of Barn Swallows (total c40) , Willow Warblers, Linnets (total 18) and Yellowhammers (total 11) were a welcome sight; a male Reed Bunting near the dam was a probable migrant. Excellent showing of Ringlets at the lagoons a good season for this subtle and attractive insect this year.

adult Osprey


adult Willow Warbler amply illustrating the rationale behind
the traditional noun leaf warblers applied to this genus
schinzii race Dunlin - upperpart fringes now worn exposing the black feather centres with limited cream/buff fringing

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