A trail runner in Colorado ends up running for his life?and a peaceful walk in the Canadian woods turns deadly. When we venture into the realm of wild animals, sometimes a chance encounter leaves us fighting for our lives. It's a story of hunter versus hunted?and only one may survive.

A trail runner in Colorado ends up running for his life?and a peaceful walk in the Canadian woods turns deadly. When we venture into the realm of wild animals, sometimes a chance encounter leaves us fighting for our lives. It's a story of hunter versus hunted?and only one may survive.

The natural world is full of beauty, but it can also be quite weird. Witness a world of cunning assassins, strange parenting and nautical oddballs.

Following the lives of leopards in the dense forests of Sri Lanka, an area with one of the highest leopard populations on earth.

Documentary following the lives of two generations of big cats during the fleeting wet season in arid Botswana. This is an intimate portrayal of lion and cheetah families pushed to the edge by nature's raw power - eight weeks' of heavy rainfall - and only those that can adapt will survive.

500 lbs of pure predator, three-inch long canines and retractable claws like switchblades. Big cats areamong the fiercest four legged beasts on the planet - capable of taking down fleet-footed antelope, two tonne elephants and even human beings.NGT takes you inside the world's biggest cats - lions and tigers - to unlock the secrets of these maximum predators. New science will deconstruct the engineering of these legendary man-eaters, revealing what they are capable of, and what they're really after.Using CGI we'll peel back the layers of these top predators. A 360° CT scan of a big cat's head and jaws, plus actual dissections, reveal new insights into their engineering, sensory systems and intelligence. Archive footage and recreation of documented attacks on humans will propel us into the science and mechanics of these big predators - revealing how they think, how they work, how they hunt, and what makes them the rulers of the landscape.Crawling through Africa, we'll stalk, capture and reveal the physique, teeth, claws and ambush tactics of big Cats. GPS tracking devices will show how much land - and prey - these predators need to survive. We'll reveal their maximum appetite (over 50 pounds of meat at one sitting) and the lions' unique 'team approach' to hunting.And we'll investigate a case in Tanzania where cats have hunted humans. We'll also reveal the newly discovered ways that big cats kill. The brutish stereotype is wrong - they kill with the pinpoint accuracy of an assasin, not the clumsiness of a butcher - and we'll compare a shock troop of lions to the lone stealth of a tiger and reveal which extreme predator truly deserves the title of 'Super Cat'.

In 2009, National Geographic Pristine Seas explored the southern Line Islands and found pristine coral reefs, thriving ecosystems teeming with sharks and huge schools of fish. But in 2015-16, an unprecedented ocean warming event killed half of the corals. The Pristine Seas team returned in 2021, hoping to see some signs of recovery. What they found instead was the most spectacular recovery of coral reefs ever witnessed.

In Jade Eyed Leopard, follow Toto, a leopard with unusual aquamarine eyes, for the first years of her life as she learns fundamental survival skills.

Meet Dr. Pol, an expert in large farm animals and pets. This senior is anything but retiring as he takes an old-school, no-nonsense approach to veterinary medicine. Nat Geo WILD follows The Incredible Dr. Pol as he travels across rural Michigan to care for every family pet and head of livestock in need of his expertise and kindness.