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Approximately 200 hours of underwater acoustic recordings collected at Casey Station, East Antarctica, between December 2018 and December 2019. The dataset includes time-frequency annotations for Antarctic blue and fin whale calls made by three independent human analysts and automated detectors. It supports a multi-observer capture-recapture analysis for bioacoustic call density estimation.
Audio files are in 16-bit WAV format; annotations are in Raven Pro Selection Tables requiring compatible software for full use.