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This special feature showcases the intricacies of monitoring tigers in India and highlighting the positive impact on their global population.

An examination of the extinction threat faced by frogs, which have hopped on Earth for some 250 million years and are a crucial cog in the ecosystem. Scientists believe they've pinpointed a cause for the loss of many of the amphibians: the chytrid fungus, which flourishes in high altitudes. Unfortunately, they don't know how to combat it. Included: an isolated forest in Panama that has yet to be touched by the fungus, thus enabling frogs to live and thrive as they have for eons.

Documentary which follows crocodile expert Brad Bestelink on a quest to dive with crocodiles without a cage or any other protection.

Born in London in 1934, Jane Goodall spent decades in Tanzania’s Gombe Stream National Park, studying the social and family structures of chimpanzees and helping to bring their ecological vulnerability into the public consciousness. She also founded and remains integral to the Jane Goodall Institute, which encourages environmental activism and stewardship among young people. In this program, the famous scientist reflects on her many years spent observing and learning about our primate cousins.

In Sekenani River in Maasai Mara Park, a pod of hippopotamuses and a bask of crocodiles keep a cautious truce.

On Botswana's Linyanti Plains, a band of brothers reigns amongst the top predators: three cheetahs - partners since birth and one of the most efficient hunting forces on the plains - until tragedy strikes. Achilles, the hunt leader of the brotherhood, is killed by a cobra bite, leaving his brothers Odin and Shiva to fend for themselves. With their coalition diminished they must adapt fast: learning to hunt as a twosome and defend their kills without the help of Achilles. Confounding their efforts is a host of predators: an injured leopard, a cunning hyena and a devious black-backed jackal. Making matters worse, a lone male cheetah begins to trespass on their land. Will these cheetah blood brothers survive the overwhelming odds stacked against them?

Set in the vast expanse of South Africa's Mala Mala game reserve, a host of Africa's biggest and fiercest wildlife species compete for food, mates and territory against the backdrop of a harsh dry season.

A documentary that focuses on how animals born with unusual colours have a much harder struggle than normal. Follow white lions, a white baboon and a yellow crocodile.

A look at the world of squirrels in the forests of Alabama