Recent satellite observations show birds adapting to changes in sea ice
By Bob Berwyn
FRISCO — Emperor penguins living at the edge of their range may be able to find new breeding grounds as their sea-ice breeding habitat dwindles in coming decades.
Recent satellite monitoring shows that the Antarctic birds moved from their traditional sea-ice breeding grounds during years when the thin layer of ice (sea ice) formed later than usual to the much thicker floating ice shelves that surround the continent.
“When they turn up to breed, there needs to be a solid blanket of sea ice,” said British Antarctic Survey researcher Peter Frewell, lead author of the paper published this week in the online journal, PLOS ONE. The research team also included scientists from the Australian Antarctic Division and the Scripps Institution of Oceanography at UC San Diego in California. Continue reading
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