The narrator explains their key adaptations and we see them in ... into three groups and allocate each group one of the animals featured - polar bear, snow fox and reindeer. Watch the clip again ...

The narrator explains their key adaptations and we see them in ... into three groups and allocate each group one of the animals featured - polar bear, snow fox and reindeer. Watch the clip again ...

A group of polar bears in a remote region in Greenland ... Researchers found the animals were using ice that breaks off glaciers. "They survive in fjords that are sea ice-free more than eight ...