Orcas are bullying porpoises, eating sharks' livers and sinking boats
Scientists aren't sure what's causing the behaviour, but it does seem that once one orca starts doing it, others join in
Disclaimer : Mytimesnow (MTN) lets you explore worldwide viral news just by analyzing social media trends. Tap read more at source for full news. The inclusion of any links does not necessarily imply any endorsement of the views expressed within them.
