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 Corncrake  Crex crex


 

Sonogram of Corncrake

Bialowieza village, Poland  52 42' 03.0'' N  23 50' 08.2'' E   28 June 2009, 2120h

Advertising/territorial song of male in rank, damp vegetation in a large forest clearing; classic rasping double-notes produced c105 times/min (in c52 double rasps) - note the 'broadband' frequencies between 1 and 7 kHz.

[File name: corncrake280609bailowieza]

    Corncrake

 Sonogram of Corncrake

Lake Siikalahti, Parikkala, Finland  3 July 2003, 0054h

Advertising call (territorial song) of male, repeated rasping note at c114/min (in c57 double rasps).

 

 


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   Fraser Simpson    www.fssbirding.org.uk