Endangered Species

Whales have long been a profound mystery to us. They live in a world so removed from our own that we can barely imagine their lives. Their environment is different, their senses are different, their relationships are different. How might such almost alien creatures see the world?

Big cat populations are shrinking fast, but now we have the means to view them in more detail than ever.

Join filmmaker Casey Anderson as he embeds in the Alaskan wilderness to follow the largest terrestrial carnivores in the world.

The North Atlantic Right Whale is on the verge of extinction. The leading cause of death and injury to the whales is from ship strikes or entanglement in fishing lines. In this Breakthrough episode, we will hear from the leading experts and biologists who are racing to save this species.

The staff of South Africa’s Manyoni Private Game Reserve passionately care for some of the world’s most exotic and endangered wild animals. From treating elephant foot infections to testing cheetahs for tuberculosis, they never know what to expect each day.

Dr. Jane Goodall and her staff prepare to reintroduce a special group of rescued and rehabilitated chimpanzees to the wild.

Give nature more space with rewilding. This new, cost-effective conservation strategy boosts biodiversity and protects the climate by reintroducing “key” animal species and developing larger wilderness areas.

Follow the life and legacy of Cecil: one of the world's most famous lions. The ultimate big cat king, Cecil was a warrior, a father and a loyal brother, but his untimely death at the hands of an illegal hunt in Zimbabwe spelled the end of his extraordinary reign.

Join conservationist Ivan Carter as he explores the planet and seeks solutions to preserve and create balanced wildlife ecosystems.