Study suggests mysterious bio-duck sounds in southern ocean come from minke whales

(Phys.org) —A diverse group of researchers from several countries conducting research in the oceans around Antarctica and near Australia, has concluded that the mystery noises heard in the area for decades, are emitted by minke whales. In their paper published in the journal Biology Letters, the team describes how they attached sensors to two minke whales last year and how doing so helped to identify the minke whale as the source of what have come to be known as "bio-duck" sounds—because they have a distinctive quack like quality.

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