Natural World - Short Versions: Africa's Lion Kings

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.

Baghani, a Royal Bengal tiger, hunts wild boar in the Ranthambore National Park.

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

David Attenborough reveals the life of the hippopotamus as never seen before.

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.

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