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 Common Pochard  Aythya ferina


 

 Sonogram of female Pochard call in flight

Walthamstow Reservoirs, London, England  6 May 2013

Call from a female in flight.

[File name: pochardLS110890e]

    Common Pochard

 

 

Sonogram of male Pochard display song

Walthamstow Reservoirs, London, England  6 May 2013

Displaying male vocalisation.

[File name: pochardLS110891ecut]

    Common Pochard2

     


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   Fraser Simpson    www.fssbirding.org.uk