Sky Nature HD

There is a flood of abandoned koala joeys to deal with, while vet nurse Nick goes on a hunt for natural remedies to treat a wallaby's gut ailment.

Waiting For Winter: Winter has arrived at the lower Western shore of Hudson Bay, where polar bears reside. However, the ice that normally forms there is nowhere to be seen.

The Gates of Hell: Italy's Mount Etna is one of the best places for volcano watchers. Volcanologist Tom Pfeffier heads there in hope of seeing a paroxysmal eruption.

The Fires of Pele: Geologist Phillip Ong finally has his chance to explore the Hawaiian volcano Kilauea after a collapse of the crater floor and a huge eruption drains it lava.

The Social Network: A team studies how young blacktips learn social and survival skills, while another tries to catch the sand tiger shark's most elusive behaviour - mating.

Lake Superior: North of the world's largest freshwater lake lies some of the world's fiercest terrain, including the rugged ancient landscape of the Canadian Shield.

Bimini Sharklab: Travel to part of the Bahamas to unlock shark secrets, including their sociability, their bravery, and where they give birth. The answers may help protect them.

Highlands: Head to the Cape Breton Highlands National Park, where moose, beavers and moths have decimated large areas of the Boreal and Acadian woodlands.

Wetlands: Nova Scotia's wetlands, home to the Blanding's turtle, are at risk. But if the turtles can make it through their tough first years, they'll live for almost a century.

The stump-tailed macaques are given a paddling pool to play in, and capuchin monkey Tel takes his first steps outside. Plus, siamang gibbon Onion may need an operation.

Baby Sylvestre meets his new mother Oshine, and a woolly monkey arrives at the reserve from Kentucky.

Niagara: In a truly unique experience, discover the stunning vistas of the Niagara Escarpment. Here, the views are only matched by the rich First Nations lore.

Chasing Mako: The fastest fish in the sea, the Mako shark has the advantages of a quick-thinking brain and astounding speed. Zoom alongside this relatively unstudied species.

Predators Uncovered: In the heart of the Zambian bush lurks one of the last remaining strongholds for some of Africa's most endangered large carnivores.

The world's fastest predators can strike and kill in the blink of an eye. Now, with the help of modern high-speed cameras, witness these lightning-fast attacks in deadly detail.

Love in the Air: Nearly every species on Earth must find a mate and while some become partners for life, for others it's just a fleeting moment.

The stump-tailed macaques are given a paddling pool to play in, and capuchin monkey Tel takes his first steps outside. Plus, siamang gibbon Onion may need an operation.

Baby Sylvestre meets his new mother Oshine, and a woolly monkey arrives at the reserve from Kentucky.

Niagara: In a truly unique experience, discover the stunning vistas of the Niagara Escarpment. Here, the views are only matched by the rich First Nations lore.

Chasing Mako: The fastest fish in the sea, the Mako shark has the advantages of a quick-thinking brain and astounding speed. Zoom alongside this relatively unstudied species.

Predators Uncovered: In the heart of the Zambian bush lurks one of the last remaining strongholds for some of Africa's most endangered large carnivores.

A deep dive into the teeming waters of the Hauraki Gulf and swim alongside a stealthy manta ray, dolphins and a kaleidoscope of tropical fish.

Love in the Air: Nearly every species on Earth must find a mate and while some become partners for life, for others it's just a fleeting moment.

The stump-tailed macaques are given a paddling pool to play in, and capuchin monkey Tel takes his first steps outside. Plus, siamang gibbon Onion may need an operation.

Baby Sylvestre meets his new mother Oshine, and a woolly monkey arrives at the reserve from Kentucky.

Okavango - Lifeblood Of The Kalahari: Take a look at one of Africa's most abundant and diverse wildlife areas, the Okavango Delta.

Lady Elliot Island: The crown jewel of the Great Barrier Reef, Lady Elliot Island is a mesmerising swirl of colour and life - both above and below the water.

Love in the Air: Nearly every species on Earth must find a mate and while some become partners for life, for others it's just a fleeting moment.

A deep dive into the teeming waters of the Hauraki Gulf and swim alongside a stealthy manta ray, dolphins and a kaleidoscope of tropical fish.