Pack-ice killer whales are highly social creatures ... Typically, kilowatts are quiet when they're searching for prey because sound travels incredibly well in water. And so they could alert ...

Read more about sperm whales: http://j.mp/sOSais Watch underwater footage of the mammal and hear its strange clicking sounds that are crucial to their survival What ...

A system called "SAvE Whales," developed in Greece and tested in the Greek seas, aims to minimize the threat of ship strikes ...