NatGeoWild HD

Snake catchers Simon and Siouxsie hunt for a deadly black mamba that's hiding in a house. A cobra also causes them problems when it flees up a tree. (S2, ep 2) 7+.

In winter's depths, Margot hunts fur while Billy attempts to build a hot water heating system to survive the frigid Northwoods.

Spring has arrived and Margot searches for a bear, Billy upgrades the cabin, Matty makes a backwoods deep freeze and Emilie and Gilbert work on a 'Shabotwan'.

Staff anxiously await the zoo's first giraffe baby in more than 20 years. A rowdy bunch of penguins needs a check-up - well, that's if the keepers can catch them. (S2, ep 4) 7+.

Later, Gator! There's danger when an alligator snaps out of its restraints during a check-up. Staff uncover something serious when they treat a sloth with a limp. (S2, ep 5) 7+.

Follow vet Dr Michelle Oakley as she covers thousands of miles tending to the Yukon's animal population. Her first patients are a 300lb yak and a golden eagle.

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It's non-stop action for Dr Pol and the vets as they come to the aid of wobbly emus, calves, foals pups and goat kids.

The vets work their magic on oozing faces, baby beagles, weeping wounds and broken bones. A routine puppy check turns into a surprise for Dr Nicole.

Join Ronan Donovan on an unprecedented search for the elusive Arctic wolf. But finding them is just the beginning, as he tries to gain acceptance into their pack. 7+ (1 of.

After weeks of searching, Ronan Donovan attempts to get up close and personal with a family of wolves fighting to survive in the High Arctic. 7+ (2 of.

Having embedded himself with a family of wolves, Ronan Donovan witnesses a brutal bid for pack power after mother White Scarf strangely vanishes. (3 of 3) 7+.

Croc Wars: Grumeti Vs Mara: Each year, wildebeest and zebra cross the Serengeti for fresh grazing. But two legendary rivers stand in their way- the Grumeti and the Mara. (S1, ep 1) 7+.

South Florida is the only place on Earth that is home to both the American alligator and the American crocodile. Who is the baddest.

Australia's "boss crocs" faced near extinction from hunting and development, but these dominant predators continue to thrive today.

Star performer Rory the Duck's swollen leg has kept him out of show business for way too long. Meanwhile, two endangered species are given a new lease of life. (S2, ep 22) 7+.

A cheetah fights for its life against a mysterious and debilitating illness, and an elephant is artificially inseminated. (S3, ep 1) 7+.

The Schroeders stabilise two dogs after they were both hit by cars and Dr Ben works to remove a rusty nail lodged in a young bull's hoof. (S4, ep 11) 7+.

Bertie arrives in the Serengeti as the spectacular wildebeest migration kicks off. He's here to film the fastest land animal on earth: the cheetah. 7+.

Through astonishing footage of real-life confrontations, we see how each brush with death refines the honey badger's fearlessness.

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.

As Simon and Siouxsie search the city for a sly and elusive snake, they get a call from a man who believes his ancestor has returned in the form of a serpent. (S2, ep 5) 7+.