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Sir David Attenborough celebrates the rich variety of habitats that exist on our doorstep, proving that wildlife in the British Isles is every bit as dramatic and spectacular as anywhere else on the planet. This episode looks at the wildlife that exists in our unique landscapes, from the micro world of bumblebees to the high-speed life of the kingfisher.

Filmed in extraordinary detail, killer whales hunt for seals in our seas, golden eagles scavenge in snowy Scottish mountains, sinister woodland plants take pollinating insects hostage, and puffins are chased by greedy gulls that try to steal their hard-won catch.

One reason for Britain鈥檚 natural wealth is its geology, which is among the most diverse on the planet. It ranges from the chalk formations of southern England to the limestone pavements of Yorkshire, and from the rugged granite of Northumberland to the volcanic basalt of the Giant鈥檚 Causeway in Northern Ireland. Another reason our isles are so diverse is the great range in temperature, from the subtropical conditions in the south to the frozen Arctic conditions of the Cairngorms in the north. From the varied rocks and minerals across our fluctuating isles, unique habitats have arisen.

Britain is also a crucial destination for tens of thousands of migrating birds that come to breed and feed in our summer season. Our fish-rich seas support 65 per cent of the world鈥檚 gannets, 75,000 pairs of which arrive on Scotland鈥檚 Bass Rock every year to nest, forming the biggest colony of northern gannets in the world. On Scotland鈥檚 west coast, abundant food and a mild climate attract enormous flocks of barnacle geese to Islay to feed on the lush grass, but they must watch out for the sea eagles that have learnt to hunt them down.

Although rich in places, Britain as a whole is one of the most nature-depleted countries in the world. From a busy puffin colony, Sir David highlights the issue and asks how we can restore our wild isles for future generations.