Nature

In one of the world's wildest hospitals, a jungle veterinarian, his zoologist girlfriend, and their team of dedicated staff and volunteers take on dangerous and exciting challenges as they care for a cast of iconic endangered animals. Some animals stay for a month, others for a day, and some, sadly, never return to the forest at all. But every animal deserves a fighting chance to be wild.

With high-speed camerawork and breakthrough new science, we enter the world of hummingbirds as never before. They move faster than the eye can see, and possess super powers that enable them to fly backwards, upside-down, and float in midair. For the first time we see them mate, lay eggs and raise families in intimate detail. They are Super Hummingbirds, the smallest, most brilliant birds on earth.

Vianet D'jenguet has lived half of his life in Europe, yet his heart still lies in his homeland, his Congo. As a successful wildlife cameraman, D'jenguet is returning to his roots to reveal the beauty and majesty of his country and its people. D'jenguet shines a spotlight on his beloved homeland and discovers an even deeper connection with this place than he ever imagined.

Dr. Julian Fennessy has spent years studying giraffes. The population in Africa is down 40 percent. Fennessy and a Ugandan Wildlife Authority team want to round up 20 of the world's rarest giraffes to get them to safety. The stakes are high in this urgent and daring mission against poachers affiliated with organized crime, but if successful, the reward will be a brighter future for the giraffes.

Discover how the first cats arose in the forests of Asia, how they spread across the continent and later came to conquer Africa. We reveal how cats evolved with an in-depth look at lions, servals, caracals, cheetahs, tigers, fishing and sand cats.

Track the story of cats into the Americas, from battles with their age-old rivals, the dog family, to the rise of domestic cats. Meet the mighty jaguar, the urban mountain lion, the curious ocelot, the Canada lynx, the nimble margay, the Siamese cat and the Sphynx.

From the shelter of our homes, snow looks magical, but it's a harsh reality to many animals. Snow means freezing temperatures, which these animals must endure for many months. Wildlife cameraman Gordon Buchanan meets some of the world's most iconic snow animals across the globe, from the penguins of Antarctica to the bison of Yellowstone and the Arctic fox.

Yosemite was forged by time and shaped by water, but with climate change, it's feeling the heat. Water is scarcer and the threat of wildfire is more common. See how critters survive as we investigate this great wilderness.

Puerto Rico is a tropical island infused with unique natural wonders - from the deepest sea-trench to the longest underground cave system; from a startlingly bright bioluminescent bay to vast rain forests that sometimes really do rain frogs.

The Giant armadillo digs a new burrow every other night. Once this termite-eater moves on, it leaves behind one of the hottest plots of real estate in the Brazilian wetlands for 80 species of diverse and ever-changing animal clientele.

Travel deep into the forests of the Kalkalpen National Park in Austria, abandoned for a quarter of a century. What appears to be devastation is the process of regeneration back to its natural state. One of the most salient changes is the return of the lynx. After 150 years of absence, the feline’s elusive presence is a testimony to nature’s power of revival.