Antarctica: The End of the Earth: Iceberg (2) Nature : Season 18 Episode 2

Part 2 investigates the icebergs, million-ton islands of ice that have broken free of glacial cliffs to become floating platforms of life. Despite the harshness of the environment, diverse eco-systems thrive. The principal wildlife includes crabeater seals and leopard seals, Adelie and emperor penguins, Minke whales, krill, snow petrals and algae.