NatGeoWild HD

Casey Anderson searches for the ultimate scavenger in Yellowstone Park, finding that many feared predators are also sneaky opportunists. (4 of 6) 7+.

Not all lions in the Savage Kingdom are born equal while the Marsh Pride dominates the beating heart of the realm.

Snake-catching couple Simon and Siouxsie are just inches away from being bitten when they confront a deadly black mamba that's trapped in a roof. (S5, ep 1) 7+.

It's one of Michigan's hottest summers on record and the sweltering heat is taking a toll on both Dr Pol and the local farm animals. 7+.

Dr Oakley spays a wolf at the bottom of the pack and discovers a surprise during the surgery.

Jody Potts-Joseph and Jamey Joseph set traps and harvest medicine, while Tig Strassburg builds a woodshed with the help of his children.

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The clinic is full of surprises, from a muskrat attack to a cat missing an eye. Plus, Dr Pol rushes to help a cow that's been in labour for 24 hours. 7+. (4 of.

A very grumpy tiger arrives in Columbus and lets her new keepers know she's in no mood for small talk. Plus, the zoo attempts to make reptile history. (S2, ep 16) 7+.

Fearless husband and wife team Simon and Nadine face the largest black mamba they've ever seen. They are also invited to witness the birth of 15 baby snakes. (S1, ep 3) 7+.

The rivers of Africa - long held in myth and legend for the life they bring and the monsters they hide. 7+ (2 of.

Some wild sea turtles arrive in need of urgent care, a young rhino cracks his horn, the lions enjoy a new chew toy and a zebra gives birth! 7+.

Follow a century-old steam loco on its mesmerising route from the plains of New Jalpaiguri to the foothills of the Himalayas. 7+.

Sierra Morena is a mountain range of climatic extremes, the harsh winter puts the lynxes to the test and other animals struggle to survive. (S1, ep 1) 7+.

Spring rain brings new opportunities to the land of the Iberian lynx but for the lynxes of the valley, it is always a challenge to raise their cubs. (S1, ep 2) 7+.

A blue-eyed goat named Talula has a date with the dentist, but only one of her keepers can catch her. 7+.

A young zebra faces urgent surgery, two meerkats vie to be top of the mob and the Disney Imagineers build a new toy for some friendly cheetahs. 7+.

Dr Oakley treats a lynx. She also pulls an all-nighter to give a dog an emergency caesarean. But getting the puppies out is just the beginning..

The zookeepers are kept busy by the birth of a white rhino, two young lions leaving home and two cannibalistic snakes going on some high-stakes dates. (S1, ep 4) 7+.

Survival has never been tougher in the rainforests, where only the most resilient triumph.

From cheetahs in Kenya to America's blizzard-battling bison, grasslands life gets harder as the seasons grow more extreme. With Bear Grylls.

Examining the Air France Concorde crash in Paris, France, the funicular railway tunnel fire in Kaprun and the explosion in the Gulf of Mexico. 7+. (8 of.

Casey explores the behaviour of black bears in Maine. He also prepares an orphaned cub for the wild, teaching him to forage for fruit and raid beehives. 7+ (3 of.