Bio-duck mystery sound attributed to Balaenoptera bonaerensis
Bio-duck is the nickname given to a strange, quack-like sound which has baffled researchers since the 1960s, when. the first bio-duck sounds were reported by sonar operators on Oberon class submarines.
New research has revealed "conclusive evidence" that the culprit behind these mysterious sounds is the Antarctic minke whale (Balaenoptera bonaerensis).
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