Arctic Wolf Hunts Baby Caribou 4K UHD Planet Earth II BBC Earth

A lone Arctic wolf runs at the large caribou herd, to try and flush out the young or weak

Taken from Planet Earth II.

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of entertaining and thought-provoking natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.