BBC Earth HD

From deep in the undergrowth to the highest tree, forests are home to two-thirds of all mammal species. Discover how they overcome the many challenges of life in a crowded world.

A behind-the-scenes look at the series that explores the most successful animal group on Earth, from the tiny Etruscan shrew to the largest mammal in existence - the blue whale.

In the second year of a seven-year project, six presenters chart the fight to save the planet's endangered ecosystems. In this episode, we visit the Maldives, USA and Greenland.

Intrepid Nick Knowles begins his latest adventure by clinging to a rock in the Andes mountains and meeting indigenous people.

The second part of Nick Knowles' exhilarating South American adventure is set in the beautiful Chilean Lake District.

Nick reaches Argentina, the land of gauchos, Evita, passion and surprisingly, Welsh people. Nick first attempts to master Argentina's most beloved sport, polo.

Alice arrives in Cairo by train with a book she first read as a youth: A Thousand Miles Up the Nile by Victorian Egyptologist Amelia Edwards. Alice follows Edwards' footsteps to the Great Pyramids.

In the remote reaches of Asia's frozen north, creatures must overcome unique challenges, finding exceptional ways to thrive in a hostile world that pushes life to its very limits.

Paddy McGuinness visits a factory that makes 4 million individual Belgian chocolates every day. Ruth discovers the origin of St Nicholas and later visits a chocolate museum.

Ben Fogle revisits Rauri on Rathlin Island, who left HR for off-grid life. They repaint Rauri's house and discuss his health struggles, and a daring journey he made to help those in need.

With spring in full effect across the Arctic, residents of Alaska must seize seasonal opportunities. Sue Aikens sets out to hunt small game but must be wary of her recent surgery.

Alan visits the historic Scone Palace, the site of the first Scottish Parliament and crowning place of Scottish Kings. It's now the home of Lady Mansfield.

In the remote reaches of Asia's frozen north, creatures must overcome unique challenges, finding exceptional ways to thrive in a hostile world that pushes life to its very limits.

Part 2. The Kush Empire was an ancient superpower that dominated the Nile Valley and rivaled the Egyptians, and now, a mysterious tomb discovery could reveal more.

Ben Fogle revisits Rauri on Rathlin Island, who left HR for off-grid life. They repaint Rauri's house and discuss his health struggles, and a daring journey he made to help those in need.

Paddy McGuinness visits a factory that makes 4 million individual Belgian chocolates every day. Ruth discovers the origin of St Nicholas and later visits a chocolate museum.

Alan visits the historic Scone Palace, the site of the first Scottish Parliament and crowning place of Scottish Kings. It's now the home of Lady Mansfield.

Part 2. The Kush Empire was an ancient superpower that dominated the Nile Valley and rivaled the Egyptians, and now, a mysterious tomb discovery could reveal more.

Ben Fogle revisits Rauri on Rathlin Island, who left HR for off-grid life. They repaint Rauri's house and discuss his health struggles, and a daring journey he made to help those in need.

Steve goes in search of the fastest predators and high-dives.

HMS Queen Elizabeth is a ship of record-breaking proportions with cutting-edge naval and aerial engineering. Learn how the vessel was engineered and built.

Sue secures her camp before a long trip. Ricko helps repair his uncle's cabin. Jessie competes in a sled dog race. The Hailstones prepare for an intense storm.

Ben Fogle returns to Sweden to visit Annalisa, an Italian living in the deep woods with her young son Nico.

Robson explores the beautiful Anavilhanas Archipelago in his canoe. An intricate pattern of tiny islands and lagoons, teeming with fish and bird life.

Ben visits snowboarding legend Mike Basich, who left professional sport to reconnect with nature in the Sierra Nevada mountains.

Alaskans confront the environment, and themselves, as winter bears down.

Alan visits the historic Scone Palace, the site of the first Scottish Parliament and crowning place of Scottish Kings. It's now the home of Lady Mansfield.

Ben Fogle returns to Bulgaria to meet up with nomads Miriam and Peter after four years.

Sue repairs her cabin in Chena. The DeWildes set a net. Jessie spends time with his young dogs. Chip receives medical attention after an accident.

Six presenters chart the fight to save the planet's endangered ecosystems. Gordon Buchanan returns to Brazil, Ella Al-Shamahi to Cambodia and Ade Adepitan to Kenya.

A ride is taken aboard the grande dame of luxury heritage trains, the Northern Belle, on a railway that weaves in and out of England and Wales.

Michael Portillo embarks on a two-part adventure through Thailand. Michael helps out at an elephant hospital, tries his hand at the art of umbrella-making and learns about northern Thai cuisine.

Ben Fogle meets Rhona Mitra who has swapped her home in Hollywood for a remote farmhouse in Uruguay.

Alaskans rediscover old practises to get through the heart of winter.

Soaring 632m into the sky, the Shanghai Tower is the second tallest building in the world. This monument to sheer engineering audacity is a modern marvel.

A ride is taken aboard the grande dame of luxury heritage trains, the Northern Belle, on a railway that weaves in and out of England and Wales.

Michael Portillo embarks on a two-part adventure through Thailand. Michael helps out at an elephant hospital, tries his hand at the art of umbrella-making and learns about northern Thai cuisine.

Alan visits the historic Scone Palace, the site of the first Scottish Parliament and crowning place of Scottish Kings. It's now the home of Lady Mansfield.

Ben Fogle meets Rhona Mitra who has swapped her home in Hollywood for a remote farmhouse in Uruguay.

Alaskans rediscover old practises to get through the heart of winter.

Soaring 632m into the sky, the Shanghai Tower is the second tallest building in the world. This monument to sheer engineering audacity is a modern marvel.

A ride is taken aboard the grande dame of luxury heritage trains, the Northern Belle, on a railway that weaves in and out of England and Wales.

Seven well-known personalities, with differing faiths and beliefs, meet in northern Portugal to tackle a modern Catholic pilgrimage: the famous sanctuary in the city of Fatima.

This is a bridge of record-breaking dimensions, built in one of Europe's most active seismic zones, lashed by high winds. Find out it was created.

Sue repairs her cabin in Chena. The DeWildes set a net. Jessie spends time with his young dogs. Chip receives medical attention after an accident.

Ben Fogle returns to Bulgaria to meet up with nomads Miriam and Peter after four years.

A ride is taken aboard the grande dame of luxury heritage trains, the Northern Belle, on a railway that weaves in and out of England and Wales.

Asia's jungles are beautiful and exceptionally diverse, but whilst they provide shelter, food and opportunity, they are also full of dangers and hidden threats.

Ben Fogle meets Rhona Mitra who has swapped her home in Hollywood for a remote farmhouse in Uruguay.

Alaskans rediscover old practises to get through the heart of winter.

Seven well-known personalities, with differing faiths and beliefs, meet in northern Portugal to tackle a modern Catholic pilgrimage: the famous sanctuary in the city of Fatima.

The adventurer returns to meet previous contributors who turned their back on the rat-race. In the wilds of Queensland he revisits the ever-resilient Bette.

Sue continues to restore her cabin. Ricko travels with his son to the family cabin. Jessie gathers firewood. The Hailstones go muskox hunting.

Paddy McGuinness visits a factory that makes 4 million individual Belgian chocolates every day. Ruth discovers the origin of St Nicholas and later visits a chocolate museum.

Changing Planet: Coral Special will embark on the third year of this 7-year project examining the issues facing the planet's most threatened ecosystems.

Escape with us aboard the magnificent steam train Tornado as its coupled up with 13 luxury vintage carriages on a 6 hour journey through Yorkshire, to Northumbria and the Borders.

Soaring 632m into the sky, the Shanghai Tower is the second tallest building in the world. This monument to sheer engineering audacity is a modern marvel.

Paddy McGuinness is at the Warburtons factory where he worked as a teenager.

Ben heads to Australia where he meets Bette, who lives alone in a ramshackle property in northern Queensland. Fogle quickly becomes acquainted with her no-nonsense attitude.

Alaskans take advantage of a brief reprieve from Dark Winter's wrath.

This modern engineering phenomenon, Japan's first 24-hour airport, was designed on an artificial island to ease overcrowding in Osaka.