South Polar Skua, Catharacta maccormicki

Recording AV#367. Antarctica: Trinity Island, Mikkelson Harbor (-63.892, -60.786)
recorded by Pamela C. Rasmussen

Recording Characterization

Download SoundMP3 (compressed, lossy) | FLAC (compressed, lossless) | WAV (uncompressed, lossless)
Download Sonogramsonogram (JPEG)
Graphic Sound Analysis
(click to zoom)
Sonogram of recording #AV 367
AVoCet catalog #AV367
Audio duration (s)8.3
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 portionbelow average

Individual Characterization

Behavior"bulldozing" under putative pair member display followed by yapping of more distant individual not involved
Group size3
Same individual as in other cuts in same spatiotemporal group?yes


Recording dateJanuary 04, 2009
Time recorded (24h)9:48h
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