Sunday, September 24, 2017

Transient killer whales hunt in silent ‘stealth mode’

May 12, 2011 by  
Filed under Orca News

By Victoria Gill
Science and nature reporter, BBC News


The scientists wanted to know how orcas, commonly known as killer whales, communicate when hunting mammals, which can hear their distinctive calls.  The researchers thought the predators might switch to very high frequency whistles to co-ordinate the hunt.

But the orcas actually go completely silent and are somehow still able to form organised hunting groups.


Read more by clicking here.


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