Giant iceberg kills 150,000 Adélie penguins
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Around 150,000 Adélie penguins were killed after a giant iceberg larger than a country grounded at Commonwealth Bay, blocking access to the sea and forcing the penguins to travel considerably longer distances to feed.
An entire colony of Adélie penguins is heading for extinction after an iceberg larger than the country of Luxembourg grounded there, reports Grind TV.
The population in this penguins colony has plummeted from 160,000 to 10,000 since the iceberg labeled B09B came aground in 2010 after floating around the Southern Ocean for 20 years, according to The Sydney Morning Herald and a just-released study in Antarctic Science.
The colony once thrived with easy access at Cape Denison in Commonwealth Bay where strong winds blowing off the ice kept a large area of water open near shore.
But once the iceberg grounded, the distance to the feeding grounds became a 75-mile round trip.
In contrast, another population of Adélie penguins on the eastern fringe of Commonwealth Bay just five miles from the edge of the fast ice (sea ice fastened to the coastline) is thriving. This led researchers to believe the iceberg and fast ice expansion was responsible for the population decline.
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