Ruddy Duck, Oxyura jamaicensis jamaicensis

Recording AV#14701. USA: North Dakota; Burke Co.; Lostwood National Wildlife Refuge (48.64, -102.39)
recorded by Pamela C. Rasmussen

Recording Characterization

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Graphic Sound Analysis
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Sonogram of recording #AV 14701
AVoCet catalog #AV14701
Audio duration (s)33.8
ID confidence and determination100%
seen displaying
Other identified bird speciesAgelaius phoeniceus
Sound types presentbubble-blowing and subsequent squeaks
Grade of best portiongood
rather weak
Playback usedno

Individual Characterization

Determined by: plumage
Determined by: plumage
Behaviordisplaying, blowing bubbles while holding head down, then making the low squeak at the end of each bout, opening bill a little with each squeak
Group size1


Recording dateMay 12, 2012
Time recorded (24h)8:56h
LocationUSA: North Dakota; Burke Co.; Lostwood National Wildlife Refuge (48.64, -102.39)
Coordinates determined by: estimate from Google Earth
Elevation (m)700
Determined by: estimate from Google Earth
Habitatprairie pothole

Additional Information

Recordist namePamela C. Rasmussen
Copyright/permissionscopyright by recordist, freely available for non-commercial use with attribution
Recording EquipmentNagra Ares BB+, Sennheiser ME-67/K6