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 Little Grebe  Tachybaptus rufocollis

 

 Sonogram of Little Grebe territorial song

Walthamstow Reservoirs, London, England  51° 34' 47.1'' N  00° 03' 30.4'' W  10 May 2009

Territoral trilling song uttered from edge of reedbed strip (also a Reed Warbler partly obscuring the sound); around 3.5 seconds long, harmonics rising before falling in pitch.

 

 

 

 

Sonogram of Little Grebe calls

Walthamstow Reservoirs, London, England  51° 34' 47.1'' N  00° 03' 30.4'' W  10 May 2009

Repeated call - perhaps used in alarm.

 

 

 

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