They are Europe's biggest terrestrial mammals and the last wild bovine species on the continent. Once the European bison, also known as Wisent, roamed most of the old world, but, unlike its close relative on the other side of the Atlantic, it was hunted to complete extinction by the early 20th century. Only by ambitious rewilding undertakings is it nowadays possible to see these fascinating animals in their natural habitats again.

In the heart of Brazil, the largest cat in the Americas, the magnificent jaguar, reigns over a magical land filled with natural beauty and diversity.

In Southern Africa, Spring starts in early September and the natural world stirs into life. Days begin to lengthen, temperatures rise, and animals and plants combine in an orchestrated effort to reproduce, give birth and raise their young.

Summer in Africa is a season of extremes, it separates the weak from the strong. It tests the survival instincts of cheetahs, lions, geckos, turtles and many more species as they search for food and water in the extreme heat of summer.

Follow scientists and Traditional Owners as they map out ecological links, migratory pathways, and interspecies bonds that conserve Ningaloo's biodiversity. Frolic with whales, float among seaweed islands, and see archaeologists nix a settler myth.

Observe vet Karina's fight to save a koala mauled by dogs, then face the clinic's toughest customer with vet Tim: a rainbow lorikeet who's quick to bite. Scoop up a peeved possum with rescuer Chantel and bond with Meaghan over a gaggle of goslings.

It's a critical time for two black rhinos in Zambia. Four year old female Apson and fourteen year old bull Kango are at the core of a complex relocation mission that's part of a grand plan to save a species.

The animal kingdom can be a harsh place, but some baby animals have a family ready to take care of their needs. Meet some of these adorable babies and their clans: a koala joey, European elk twins, a litter of Asian short-clawed otters, and black howler monkey youngsters.

Observe vet Karina's fight to save a koala mauled by dogs, then face the clinic's toughest customer with vet Tim: a rainbow lorikeet who's quick to bite. Scoop up a peeved possum with rescuer Chantel and bond with Meaghan over a gaggle of goslings.

It's a critical time for two black rhinos in Zambia. Four year old female Apson and fourteen year old bull Kango are at the core of a complex relocation mission that's part of a grand plan to save a species.

Nearly 20 hours of sunlight a day feed the season of abundance. Warmth unlocks water from the glaciers, ice caves and waterfalls. The water crashes into countless streams of the Inside Passage, feeding forest and wildlife alike. From June to August, Alaska becomes a paradise for it's wildlife.

Take a journey through the eyes of catfish, ocelots, and other native creatures with narrator Matthew McConaughey. Celebrate the Lone Star State's landscapes and wildlife, and learn how crucial conservation efforts can save Texas' unique habitats.

Trail Atlantic puffins, Prairie rattlesnakes, Alaskan caribou and other animals as they travel across the international boundary between the U.S. and Canada. See how they can move from safety to target by crossing a line they had no say in creating.

The Steinhuder Meer in the heart of northern Germany is a biodiversity-hotspot in Germany, not far from Hamburg. Different habitats, such as fenlands, alder march, wetlands, and dunes ensure that the largest shallow lake in Germany is extremely attractive to a great variety of different animals, but that's not all: The richly textured landscape is the ideal outdoor laboratory for biologists who operate Germany's significant reintroduction of wildlife.

In many countries the vulnerable and elusive ocelot is on the Endangered Species List. But on the southern edge of the Pantanal, one of the world's largest tropical wetlands, this magnificent wild cat seems to be making a comeback. A team of young wildlife scientists is trying to understand why.

Observe vet Karina's fight to save a koala mauled by dogs, then face the clinic's toughest customer with vet Tim: a rainbow lorikeet who's quick to bite. Scoop up a peeved possum with rescuer Chantel and bond with Meaghan over a gaggle of goslings.

It's a critical time for two black rhinos in Zambia. Four year old female Apson and fourteen year old bull Kango are at the core of a complex relocation mission that's part of a grand plan to save a species.

Learn how Ningaloo's conservation miracle could inspire humans to pull the planet back from the brink of climatic destruction. Visit an abandoned whaling station and other ruins that show we have the tools, if only we can find the will to change.

Take a journey through the eyes of catfish, ocelots, and other native creatures with narrator Matthew McConaughey. Celebrate the Lone Star State's landscapes and wildlife, and learn how crucial conservation efforts can save Texas' unique habitats.

Trail Atlantic puffins, Prairie rattlesnakes, Alaskan caribou and other animals as they travel across the international boundary between the U.S. and Canada. See how they can move from safety to target by crossing a line they had no say in creating.

The Steinhuder Meer in the heart of northern Germany is a biodiversity-hotspot in Germany, not far from Hamburg. Different habitats, such as fenlands, alder march, wetlands, and dunes ensure that the largest shallow lake in Germany is extremely attractive to a great variety of different animals, but that's not all: The richly textured landscape is the ideal outdoor laboratory for biologists who operate Germany's significant reintroduction of wildlife.

In many countries the vulnerable and elusive ocelot is on the Endangered Species List. But on the southern edge of the Pantanal, one of the world's largest tropical wetlands, this magnificent wild cat seems to be making a comeback. A team of young wildlife scientists is trying to understand why.

Observe vet Karina's fight to save a koala mauled by dogs, then face the clinic's toughest customer with vet Tim: a rainbow lorikeet who's quick to bite. Scoop up a peeved possum with rescuer Chantel and bond with Meaghan over a gaggle of goslings.

Marvel at the stunning conversion of a bleak waste-water dumping ground into a paradise for Europe's birds. Travel to western Germany for an intimate look at this reclamation success story, and see the thriving animal communities that live there.

Nearly 20 hours of sunlight a day feed the season of abundance. Warmth unlocks water from the glaciers, ice caves and waterfalls. The water crashes into countless streams of the Inside Passage, feeding forest and wildlife alike. From June to August, Alaska becomes a paradise for it's wildlife.

Take a journey through the eyes of catfish, ocelots, and other native creatures with narrator Matthew McConaughey. Celebrate the Lone Star State's landscapes and wildlife, and learn how crucial conservation efforts can save Texas' unique habitats.

Trail Atlantic puffins, Prairie rattlesnakes, Alaskan caribou and other animals as they travel across the international boundary between the U.S. and Canada. See how they can move from safety to target by crossing a line they had no say in creating.

The Steinhuder Meer in the heart of northern Germany is a biodiversity-hotspot in Germany, not far from Hamburg. Different habitats, such as fenlands, alder march, wetlands, and dunes ensure that the largest shallow lake in Germany is extremely attractive to a great variety of different animals, but that's not all: The richly textured landscape is the ideal outdoor laboratory for biologists who operate Germany's significant reintroduction of wildlife.