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00:20.15
We take a tour of Black Island, and speak with Tony Marchetti who for the last 13 years has been running this vital communications station for the U.S. Antarctic operations.

00:00:21
Adelie Penguins bicker around their nests at Cape Royds, Ross Island, Antarctica.

00:03:58
Penguin adults tending their chicks at the colony

00:01:35
Shots of the research pen at the Cape Royds adelie penguin colony.

00:02:14
Skuas at the penguin colony wait for a chance to snatch a chick.

00:04:08
Shots of Adelie Penguins at the Cape Royds colony.

00:25:19
Meet marine biologist George Matsumoto from the Monterey Bay Aquarium Research Institute and learn about the floating ecosytems that thrive around icebergs in Antarctic waters.

00:13:34
In this webcast from Antarctica, we meet up with Ted Scambos, a glaciologist from the University of Colorado and the National Snow and Ice Data Center.

00:01:08
Adelie penguins contemplate the water near a photographer at a crack in the ice.

00:00:32
Photographer watches Adelie penguins file past him and take to the water in a crack in the sea ice.