Sky Nature Sunday

Endangered bats need Hope's help - but rehabilitating them means taking unusual steps. The deer release gets off to a bumpy start

The workload has outgrown Hope Swinimer's 100-year-old farm and she is trying to move into a new facility, but the construction is halted by the winter weather

A profile of the animal that shares a common ancestor with the koala, but is less well known than its fellow Australian

The wombats' mating season, a break from their solitary lives. Despite their timidness, their behaviour here can be surprisingly energetic

Documentary about the lives of the wild animals that inhabit one of the most unspoilt and rarely filmed areas of East Africa

Discovering the clever way elephants dig wells, cheetah Kuleta mourns her loss after lions kill one of her cubs and wild dog Phoenix faces down a hyena mob

Anastasia's herd splits to protect two elephant calves, Kuleta reclaims territory, and Phoenix searches for a new mate

The sardine run along the east coast of South Africa, a challenging voyage for the fish as they navigate the ocean, barely escaping the hungry predators who depend on them for food

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

Patrick Aryee investigates the world's largest animals, beginning in the Americas by finding out more about sperm whales, grizzly bears and anacondas

Patrick Aryee investigates animals from Australia and Asia, meeting Komodo dragons, orangutans and giant pandas as he explores why these creatures all came to be supersized

Patrick Aryee explores the challenges facing nature's giants in Africa, tracking down great white sharks, desert giraffes and one of the last tusker elephants

A look at how bears of Alaska's Katmai National Park bulk up for winter hibernation over 150 days, battling the elements and each other

The southern team test new migration tech, while the northern team catch and tag bull sharks in a bid to help local swimmers

Part one of two. The naturalist explores the origins of life on Earth, explaining how newly discovered fossils have transformed scientists' understanding of the first organisms

Part two of two. The naturalist explores how evolution gained pace once creatures developed mouths and mobility, and reveals how animals began surviving on dry land

Courtship in the bug world, from scorpions that shake their behinds and the perfume-wearing nasonia wasp to the tropical cricket, which is forced to bribe its potential partners

A look at how bears of Alaska's Katmai National Park bulk up for winter hibernation over 150 days, battling the elements and each other

The southern team test new migration tech, while the northern team catch and tag bull sharks in a bid to help local swimmers

Patrick Aryee investigates the world's largest animals, beginning in the Americas by finding out more about sperm whales, grizzly bears and anacondas

Patrick Aryee investigates animals from Australia and Asia, meeting Komodo dragons, orangutans and giant pandas as he explores why these creatures all came to be supersized

Patrick Aryee explores the challenges facing nature's giants in Africa, tracking down great white sharks, desert giraffes and one of the last tusker elephants

One of Earth's six great waterfalls, the mighty Augrabies provides a lifeline for any animals that live near its thunderous roar

The Lower Zambezii, where some animals struggle while others thrive on the banks of one of Africa's greatest rivers

The Indonesian archipelago in the heart of the Coral Triangle, an area recognised worldwide as the centre of marine biodiversity