At the height of the Zambian dry season, three lionesses in the Nsefu pride are pregnant. Even with protection from fellow lions, the stakes couldn't be higher, from cub-hungry predators like leopards and hyenas to the hunting duties necessary to sustain the group. Can the pride meet the demands of their growing population?
The next programme deals with flying insects. It begins in Central Europe, where the Körös River plays host to millions of giant mayflies as they rise from their larval skins to mate. — the climax of their lives. Mayflies and dragonflies were among the first to take to the air about 320 million years ago, and fossils reveal that some were similar in size to a seagull. Damselflies are also looked at in detail.
The annual migration of wildebeest through the plains of the Serengeti reaches its unforgiving apex at the banks of the crocodile-infested Mara River. Undeterred, the herd leaps in despite the deadly predators within. Join wildlife expert Jean du Plessis as he charts this epic and often-deadly journey.
The highest mountain range on earth is home to extraordinary animals and remarkable ancient cultures. In the depths of winter, snow leopards creep into isolated mountain villages in search of food. In hidden valleys, bizarre-looking monkeys huddle for warmth in a frozen forest. Ancient Buddhist monasteries have age-old rituals creating beautiful works of art made from mountain sand and athletes compete in the gruelling Everest marathon. Strange and exotic creatures live in the Himalaya - the chiru, with the warmest wool in the world, snakes bathing in hot springs and wild yak competing in their annual rut. Breathtaking photography reveals a lost world of surprises in the latest landmark wildlife series from the BBC.
Isolated since the time of the dinosaurs, New Zealand's wildlife has been left to its own devices, with surprising consequences. Its ancient forests are still stalked by predators from the Jurassic era. It's also one of the most geologically active countries on earth. From Kiwis with their giant eggs, to forest-dwelling penguins and helicopter-riding sheep dogs, meet the astonishing creatures and resilient people who must rise to the challenges of their beautiful, dramatic and demanding home.
Natural World visits the Arizona desert, where a new honey ant queen wages an intense battle for survival as she attempts to build and defend her empire. Eliminating rivals with ruthless efficiency, sacrificing thousands in her quest for domination, murder, cannibalism, genocide - she will do anything to keep her crown. Empire of the Ants is the epic story of one honey ant queen's dramatic rise to power - and her brutal fall from grace.