South Polar Skua, Catharacta maccormicki

Recording AV#363. Antarctica: Trinity Island, Mikkelson Harbor (-63.892, -60.786)
recorded by Pamela C. Rasmussen

Recording Characterization

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Graphic Sound Analysis
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Sonogram of recording #AV 363
AVoCet catalog #AV363
Audio duration (s)35.9
ID confidence and determinationslightly less than 100%
seen well at close quarters and photographed; one a rather pale phase and a dark phase; smallish and small-billed, lacking coarse upperparts blotches, and with white bill base patch; only one unequivocally this species
Other noisesurf
Sound types presentcall
Grade of best portionaverage
Playback usedno

Individual Characterization

Behaviorthree sequences, one of which was during a big fight among three birds
Group size3
Same individual as in other cuts in same spatiotemporal group?same group


Recording dateJanuary 04, 2009
Time recorded (24h)9:40h
LocationAntarctica: Trinity Island, Mikkelson Harbor (-63.892, -60.786)
Coordinates determined by: Google Earth (Mikkelson Harbor not precisely located)
Elevation (m)2
Determined by: close estimate from being there
Weathercold, windy
Habitaton gravel beach close to tide line

Additional Information

Recordist namePamela C. Rasmussen
Copyright/permissionscopyright by recordist; freely available with attribution
Recording EquipmentTelinga Pro, Edirol R09