It will be very easy for Killer Whales to drag a polar bear cub from the ice sheets just like they do with seals. So far there is no evidence that a killer whale has ever killed or eaten a polar bear. read more
Quick Answer. Generally, killer whales will not eat polar bears, but because they can be opportunistic eaters, if a polar bear presents itself as food the whale may eat it. However, the two animals typically leave each other alone. read more