Tourists off Australia's Bremer Bay watched as the orcas surrounded a 60ft endangered pygmy blue whale and tore it to shreds in a savage 90-minute attack. The event is so rare it's only the fourth ...

Five families of orcas joined forces to hunt down and feed on a blue whale, the largest creature on the planet, in what was an extremely rare sighting off Australia. More than 60 orcas worked ...

A gang of more than 60 orcas brutally attacked and killed a 59-foot-long (18 meters) pygmy blue whale, leaving a nearby whalewatching tour shocked, new video footage shows. The dramatic incident ...

An orca attack on a pygmy blue whale is witnessed by researchers and tourists onboard a whale-watching vessel off the WA coast. It is one of just a handful of documented killer whale attacks on a ...