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flag Scientists confirm "Bio-Duck" sound in Antarctic waters comes from Antarctic minke whales.

flag Scientists have discovered that the mysterious "Bio-Duck" sound, recorded in Antarctic waters since the 1960s and later in Australia, is likely made by Antarctic minke whales. flag The duck-like quacks appear to be a form of communication, with whales taking turns to vocalize. flag Though linked to minke whales in 2014, similar sounds in other regions raise questions about other possible sources. flag The purpose of these calls remains unknown.

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