MASTERPIECE’s bold and lavish adaptation of Jane Austen’s final work stars Rose Williams (Curfew) as Austen’s lively but levelheaded heroine, Charlotte Heywood An ever-increasing number of killer whales are appearing in Arctic waters. Although classified a marine mammal, the … The killer whales have turned a peaceful retreat into a dead end for an entire pod of narwhal. December 9, 2014. Get this from a library! Read honest and unbiased product reviews from our users. Share this video on Twitter. It's, uh -- it's amazing. Killer whales, or orca, on the other hand, are unable to hunt in an ocean locked in ice. Killer whales, or orca, on the other hand, are unable to hunt in an ocean locked in ice. And it is certainly no match for the world's greatest aquatic hunter -- the killer whale. They attack the same prey as the polar … A shift of power is taking place at the top of the world. Nature. Nature: Invasion Of The Killer Whales. An ever-increasing number of killer whales – or orcas – are appearing in Arctic waters in the summer months, attracted to these huge hunting grounds by the growing expanses of open water and attacking the same prey animals polar bears once survived on: seals, narwhal, belugas, and bowhead whales. As the ice melts and polar bears struggle to survive, another animal is taking over the polar bears once dominant role as top predator. In the last few years, scientists have noted an ever-growing number of killer whales in Arctic waters in the summer months. S33 Ep6 | 52m 58s Share this video: Share this video on Facebook. One lone narwhal tries to get away. More and more have been attracted to these hunting grounds by the growing expanse of open water. Watch Preview. Nature Invasion of the Killer Whales. A remarkable new story is unfolding in the Arctic. NATURE Now . Invasion of the killer whales. [Brian Leith; Ben Wallis; NDR Naturfilm,; Thirteen Productions,;] -- As the ice shrinks in the Arctic, polar bears are struggling to survive in a fast melting world. A shift in power is taking place at the top of the world. Nature. Invasion of the Killer Whales S33 Ep6 | 52m 58s See All Episodes Webpage. As Arctic ice increasingly disappears, the tables have turned. Season 33 Episode 6 | 52m 58s A shift of power is taking place at the top of the world. Nature. Season 33 Episode 6 | 52m 58s | Video has closed captioning. Invasion of the Killer Whales. Preview: Season 33 Episode 6 | 45s A shift of power is taking place at the top of the world. The Arctic is undergoing a dramatic change, and with this change one iconic Arctic hunter may soon have to give way to another as solid ice turns to open sea. The polar bear, once king of the North, needs ice to stalk its prey. Invasion of the Killer Whales. In the last few years, scientists have noted an ever-growing number of killer whales in Arctic waters in the summer months. Check your local listings. The polar bear, once king of the North, needs ice to stalk its prey. A shift in power is taking place at the top of the world. Get this from a library! The Arctic is undergoing a dramatic change, and with this change one iconic Arctic hunter may soon have to give way to another as solid ice turns to open sea. Invasion of the Killer Whales | Preview . Airs Wednesday, November 19, 2014 at 8:00 p.m. ET/PT. S33 Ep6 | 52m 58s Share this video: Share this video on Facebook.