Natural World - Short Versions: 5. Tiger Dynasty

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

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

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

David Attenborough reveals never-before-screened secrets of giant armadillo life.

David Attenborough meets the people fighting to protect the native animals of Puerto Rico.

A devoted team plan to take 20 giraffes across the mighty Nile River to safety.

Bill Bailey introduces some of the extraordinary partnerships found in nature.

In the wilds of the Canadian Rocky Mountains, a mother moose tends to her newborn calf.

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

Documentary following a professor studying the complex language used by prairie dogs.