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Emperor Penguins breeding on ice shelves
Date:1/9/2014

emperor penguin populations.

Barbara Wienecke of the Australian Antarctic Division said, "These new findings are an important step forward in helping us understand what the future may hold for these animals, however, we cannot assume that this behaviour is widespread in other penguin populations. The ability of these four colonies to relocate to a different environment from sea ice to ice shelf - in order to cope with local circumstances, was totally unexpected. We have yet to discover whether or not other species may also be adapting to changing environmental conditions."

Gerald Kooyman, of the Scripps Institution added: "Without satellite imagery these moves onto shelf ice would not have been detected. It is likely that there are other nuances of the emperor penguin environment that will be detected sooner through their behaviour than by more conventional means of measuring environmental changes."

Whereas sea-ice is frozen salt water, ice shelves are made up of glacial ice that has flowed from the land onto the sea. At the outer edge of an ice shelf ice cliffs can form and these can be anything up to 60 metres high.


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Contact: Paul Seagrove
psea@bas.ac.uk
44-122-322-1414
British Antarctic Survey
Source:Eurekalert

Page: 1 2

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