S01E01 Mountains
Only the hardiest of beasts survive in Britain's mountains and uplands, including the golden eagle and its prey the mountain hare, plus 400,000 red deer and flamboyant black grouse.
Hedgehogs have declined in numbers from 30 million to one million in 60 years. Great crested newts enjoy an elaborate courtship in larger ponds.
Wildlife documentary series narrated by Hugh Bonneville revealing the hidden lives of the animals that live in various habitats around Britain.