Holding our breath as we watch these two polar bears hunt beluga whales! 😬 "Canada: Surviving the Wild North" premieres Wednesday, October 26 at 8/7c on PBS. [VID: These two males are eager to hunt, but they have very different approaches. One bear bides his time on a carefully chosen rock, while the other goes after the belugas. In the open water, the belugas are impossible to catch. His tactic clearly isn't working. There's a trick to this, and it's all down to the tides. As the waters rise,