Playback serverIf a title won’t play, switch servers.
Season 18 · Episode 2
0.053mOctober 31, 1999
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.