Nature's Epic Journeys

100,000 caribou face starving bears and wolves, deadly frozen rivers and rugged mountains, as they undertake the worlds longest land migration - 5000 kilometres through the frozen Arctic wilderness of Canada and Alaska. Liz Bonnin leads a team of scientists and film-makers, using cutting edge technology to follow the herd and reveal unique insights into the individual lives of the extraordinary animals attempting one of nature's most epic journeys.

Category

Documentary / Animals / Miniseries / Nature

Original air date

18/05/2016