As winter turns to spring and the bears stop hibernating, they need to shed their winter coats the only way they know how.
Taken From Planet Earth II
In one of the most ambitious landmark series, Planet Earth II allows us to experience how animals meet the challenges of surviving in the most iconic habitats on earth. Travelling through jungles, deserts, mountains, islands, grasslands and cities, this series explores the unique characteristics of Earth's most iconic habitats and the extraordinary ways animals survive within them. New technology has allowed individual stories to be captured in an unparalleled level of detail.