Sky Nature HD

Documentary about three dynasties of lions, with the MK pride defending the territory they have held for years from the all-male Nomad pride and the all-female Hollywood pride.

With their leader badly wounded, the Hollywood lionesses retreat and regroup. Meanwhile, the MK females use their feminine wiles to distract the nomadic band of bachelors.

With the Hollywood lionesses hiding in the north, the four nomadic males turn south. Nathan Pilcher captures the Nomads' attempt at a pride takeover, which sends the MK lions running for their lives.

After the dry season lowers the waters, siblings Kimba and Maya risk crossing the river to search for their parents. They run the gauntlet of the densest populations of crocs and hippos in Africa.

The sun rises on an average day in the American tropics in May, and we watch as Peruvian penguins, Colombian rainforest monkeys and strange iguanas all try to beat the heat.

The summer solstice is upon Asia, forcing the macaques of Vietnam into water to escape the heat. In Tibet, cranes dance on a chilly plateau and an unusual fish is inspired to walk.

Aggressive behaviour is not limited to the most obvious culprits. Revealing how koalas, cockatoos, clownfish and more can exhibit surprising behaviours in order to survive.

How animals employ extravagant behaviours to entice mates or warn off predators, proving that standing out can be the ultimate survival strategy.

Following the journey of orphaned elephants at Reteti Elephant Sanctuary, the first community-owned and operated elephant sanctuary in Africa.

With approximately 130 active volcanos, volcanologist Tom Pfeiffer leads an expedition to Indonesia - arguably the most active place on Earth.

The story of Aztec warrior Popocatépetl - a giant active volcano - who erupts to wake his princess Iztaccíhuatl, a neighbouring ice-capped volcano.

A year in the life of Canada's common loon, examining the perils impacting its population - from global warming and boat traffic to big wakes disturbing its habitat.

The animals that live on the border between the US and Canada face many challenges - even politics. This documentary reveals how the boundary affects them over 12 months.

Part one of two. The naturalist explores the evolution of vertebrates over the past 500 million years, beginning with a look at how remarkable advances allowed primitive fish to make the radical move on to land, and then take to the skies with the advent of flight. He uses fossils of both ancient and living species combined with CGI and film to chart their journey out of the water to populate all

The naturalist concludes his two-part exploration of the evolution of vertebrates over the past 500 million years by looking at the history of mammals. He traces their journey from humble origins as tiny nocturnal forest-dwellers to their astonishing explosion in diversity and domination of the world following the death of the dinosaurs.

From guanacos waring over grassland to iguanas head-butting over beachheads; in South America the need for real estate causes plenty of conflict.

Creature conflicts in South-east Asia, featuring duelling dragons, giant sumo-wrestling beetles and sea turtles playing king of the hill.

The features that allow predators to survive in often hostile environments, taking a closer look at the hunting techniques of creatures from all over the globe, including the rarely seen Amazon leaf fish and the endangered Komodo dragon.

A look at remarkable beaches around the world, revealing how physics, nature and human interactions contribute to the creation and evolution of these environments. The first edition visits three Florida beaches to find out what is being done to preserve biodiversity in the face of humans transforming the state's landscape at the cost of its shoreline.

Every 13 hours, the sea level at Nova Scotia's Bay of Fundy rises to the height of a four-storey building. This documentary reveals the diverse ecosystems it supports.