American Black Duck, Anas rubripes

Recording AV#11337. USA: Delaware; Bombay Hook National Wildlife Refuge (39.26, -75.47)
recorded by Pamela C. Rasmussen

Recording Characterization

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Graphic Sound Analysis
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Sonogram of recording #AV 11337
AVoCet catalog #AV11337
Audio duration (s)10.0
ID confidence and determination100%
seen well calling
Other identified bird speciesBranta canadensis
Sound types presenttaking flight and calling
Grade of best portionexcellent
Playback usedno

Individual Characterization

Behaviortaking off from water
Group size1


Recording dateNovember 14, 2010
Time recorded (24h)9:45h
LocationUSA: Delaware; Bombay Hook National Wildlife Refuge (39.26, -75.47)
Coordinates determined by: GeoHack
Elevation (m)0
Determined by: estimate from Google Earth
Weatherclear, calm, pleasant
Habitatpond in marsh

Additional Information

Recordist namePamela C. Rasmussen
Copyright/permissionscopyright by recordist; freely available with attribution
Recording EquipmentNagra Ares BB+, Sennheiser ME-66/K6