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Saturday, 22 August 2009

A rare autumn passage migrant at Titchfield Haven 22nd August 2009

An adult aquatic warbler Acrocephalus paludicola generated a whole lot of excitement early this morning for both bird-ringers and paying public alike, when it was ringed and released at Titchfield Haven N.N.R. The aquatic warbler whilst in passing resembles the sedge warbler Acrocephalus schoenobaenus stands out from the latter due to its bright cream-coloured central crown-stripe and it's streaked back, rump and upper tail-coverts. The bird was aged as an adult because of its streaked underparts. This rare autumn passage migrant was last recorded in Hampshire in September 2007 when a 1st yr bird was ringed and released - again at Titchfield Haven.

This migrant passes through the South of England in the autumn en-route from it's breeding grounds in Eastern Europe to West Africa where it will over-winter.

The aqautic warbler is a SPEC 1 species with Unfavourable conservation concern (global concern) and also a RED List and UK BAP priority species.

For the author the bird was both a Life list and Hampshire bird tick.

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