BBC Earth Natures Great Events

The summer melt of Arctic ice provides opportunities for millions of animals.

A look at the annual return of millions of salmon to the streams where they were born.

The story of a lion family's struggle to survive until the return of the great migration.

Looking at the sardine run, which happens each winter along the South African coast.

The great flood in the Okavango turns 4,000 square miles of arid plains into a wetland.

Whales and sea lions alike journey to the seas of Alaska to feed on the plankton bloom.