Natural World - Short Versions: 28. Africa's Lion Kings

Documentary looking at a post office in Antarctica surrounded by 3,000 gentoo penguins.

The story of Moja, a five-month-old lion cub living with his single lioness mum, Nyota.

Newborn elephant calf Maya and her mother Zadie face many challenges in Kenya.

Following three black bear cubs and their mother through the Northwoods of Minnesota.

The jungle animal hospital in Guatemala is full of exotic patients, many of them orphans.

Gremlin, a baby toque macaque, must learn the lessons of survival fast.

A look at the deadly impact of reintroducing tigers into the Sariska National Park.

The touching story of a rescued giant otter cub being raised by a Brazilian naturalist.

The squirrel family is one of the most widespread - what is the secret to their success?

Helen Macdonald trains a goshawk and follows a wild goshawk family at the nest.

A pride of lions have rewritten the rules - they have learnt to take down elephants.

Colin Stafford-Johnson explores the longest river in the British Isles.

Looking at the secret lives of the wildlife in one of Britain's favourite gardens.

Scottish Highlands wildlife filmed by Fergus Beeley, including sea eagles and red deer.