Arctic foxes have superb hearing, with specific attunement to frequencies between 2,000 and 10,000 hertz. These frequencies correspond with the sound of rustling and squeaking beneath the snow.

In winter, the Arctic fox's coat is white. This provides camouflage against snow and ice. In spring and summer, the coat changes to brown or grey. This gives better camouflage when surface snow ...

A report on how polar bears, snow foxes and reindeer have adapted to live in extreme cold. The narrator explains their key adaptations and we see them in their Arctic environment. Useful as part ...