NatGeoWild HD

To collar a wolverine, Dr Oakley works with a research group, and Oakley's daughters help her when an alpaca gets rowdy. RATING: NU12.

Nature's fiercest and most graphic life and death struggles. Predators and prey are fighting for their lives - while being filmed.

There's tragedy when staff at Billie Swamp park discover a dead panther, and Cory, Robert and Keith have a tough time trying to relocate a gang of wild hogs.

See what happens when some of the world's most dangerous animals turn on their own kind. On the African plains, a hippo defends its harem to the death. 7+ (1 of.

Drs Lisa and Pol are on hand to assist during a horse's emergency delivery, and Dr Brenda examines a newborn calf. 7+.

While Dr. Oakley awaits a litter of puppies, she hits the road to treat a stubborn bison and a moose with a respiratory issue. (S7, ep 7) 7+.

Springtime is always busy in Nebraska. Dr Erin attempts to unclog a cat's colon while Dr Ben examines a horse who can't shed her winter weight.

The team head to the Deep South on the trail of a huge catfish said to be able to swallow a man whole. Does it exist? And if so, can they catch it.

The snake season gets off to a shaky start for husband and wife snake-catchers Simon and Nadine. Simon takes on a black mamba as well as facing an angry cobra.

Newbie Domenic calls on Thord when a stubborn driver creates more danger on the main road. 7+.

Time is of the essence as Dr Oakley races to diagnose a cat with a bladder issue, and a cattle farm needs a hand to test out a new system for some rowdy bison. (S7, ep 1) 7+.

Bertie aims to film thousands of migrating predators as they unite for one of the ocean's most spectacular feeding events off the coast of Portugal.

Bertie heads to South Africa for his most dangerous mission yet as he attempts to get close to great white sharks without the use of a protective cage. 7+.

More than a mere holiday destination, the islands, mountains and forests of the Croatian coast reveal a world of unexpected wildlife and treasures. 7+.

As Mother Nature tries to take back the land, Port Protection residents work hand-in-hand to ensure the safety and success of the community.

As the tough winter season comes to an end, Thord contemplates a new beginning as he meets up with a rival to discuss a potential expansion.