Daily Current Affairs Article 27th December 2020: In a paper published in the journal Endangered Species Research, authors described a new whale song, suggesting the existence of a population that was previously unknown. Researchers analysed recordings from three locations in the western Indian Ocean from where they discovered the unique whale song.
Since it is the only blue whale song identified by them in the western Arabian Sea, researchers have called it the “Northwest Indian Ocean”.
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Researchers believe the source is either the blue whale or Bryde’s whale since both species have been documented off Oman previously.
Given that this song-type has not been reported before, the presence of it across a large geographic region indicates the likely existence of a previously undefined population of blue whales in the Western Indian Ocean.
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