Jess Reiss

Enter the battlefields of Africa, arenas bathed in a history of savagery and blood, where big cats and big crocs have reigned supreme for centuries. Here in the open plains, muddy swamps, and deep rivers, these super predators don't simply survive in hostile and unforgiving conditions, they thrive because of them. See how these four-legged assassins adapt to their surroundings and use the terrain to unlock new hunting techniques, seek out new prey, and amplify their age-old skills by using the lay of the land.

This series studies an array of predatory models in each location, and then looks at why particular animals are able to lift themselves above the rest. Sometimes starvation drives predators to the extreme – as in Savute, where a particular lion pride unlocks the key to hunting elephants. Or vicious competition drives them to hyper-efficiency – as in Ndutu, where cheetahs team up to out-hunt hyena mega-clans… Or sometimes the chance to kill comes so rarely that when it does appear every effort is put into the killing blow – as at the Grumeti river, where massive crocodiles wait an entire year for one feast This is the NatGeo version of "Africa's Predator Zones"

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

On the harsh and unforgiving plains of central Namibia, Africa, a young honey badger named Grit has just left home to venture out in the great, wide world, but it won't be easy. Fewer than half of all young honey badgers survive their first few weeks on their own, as they deal with intense heat, starvation, and round-the-clock threats from the many predators of the savannah.

After years of extreme drought, the Boteti river in Botswana has finally returned in all its glory. This film documents the extraordinary shift in the ecosystem and the dramatic changes it brings to the resident animals.

This film reveals some of Madagascar's secretive and rarely filmed inhabitants, from the apex predator, the fossa, to the aye aye – possibly the weirdest creature on earth.

A caving expedition recently discovered a community of dwarf crocodiles living in the Abanda Caves, Gabon. The crocs are living in pitch darkness, hunt bats and some have bright-orange skin. Part of the original team returns to find out more about this bizarre phenomenon. It's mission impossible to access the crocs world and there's no way of knowing what they might find.

The Amazon is one of the wildest and least explored parts of the planet. Encompassing 6 countries and 2 million square miles of forest, river and floodplain, it has the highest diversity of life on the planet, but what lies below it is truly shocking. In its deep muddy rivers, clear streams and expansive floodplains a freak-show of fish life has exploded, with some of the strangest shapes and weirdest adaptations on Earth. Hiding in the vast rivers and streams is an electric grid, a bizarre community of fish with a highly sophisticated electric sixth sense. Using electricity, these "Super" fish can communicate wirelessly, control each other remotely and emit shocks that can stop a human heart. This cryptic world has mystified scientists throughout the ages. Now an intrepid scientist, Will Crampton ventures back into the dark jungles where the inspiration for our technology driven world first emerged, in an attempt to unravel their secrets and unlock the electric code.

Venom expert Dr. Bryan Fry embarks on a dangerous island journey to uncover the deadly secrets of vipers, stonefish and the formidable Komodo dragon.

An orphaned honey badger’s journey to become the toughest hunter on the African savanna.

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