Killer whales chase down blue whale in rare drone footage

A group of orca whales harassing a blue whale was caught by a drone camera and posted by scientists who study the whales off the Northern California coast. (Credit: Monterey Bay Whale Watch via Facebook)
A rare sight was captured by a drone camera off the coast of Northern California a few weeks ago. The video shows a group of killer whales streaking through the glassy blue water chasing down a solitary blue whale.
The video of the pursuit was posted by Monterey Bay Whale Watch on their Facebook