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    Image courtesy of USGS

From: Jean Pennycook
Ross Island, Antarctica, November 29, 2006

Penguin Colonies

This is Ross Island, a volcanic island embedded in the Ross Ice Shelf, Antarctica. Adelie penguins are found all around Antarctica, but we will be filming the documentary at the breeding colonies shown on this map. To reach their colonies the penguins must walk over several miles of ice, but by the time the chicks are ready to fledge (swim away and get their own food), the sea ice will have broken up, and the chicks will be near open ocean. Adelie breeding colonies must be on land because they use rocks to build their nests, and they must be near open water to gather food. The three colonies on this island are located on in places where sea ice is seasonal (only in winter) and in places with little ice (note the brown color of the map near the colonies). No colonies are located on the side with the ice shelf.

Penguin Science

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Postcards from the Field: Antarctica

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