Satellite-mapping technology that detects stains on the ice from penguin droppings has revealed there are nearly 20% more Emperor colonies than previously identified in fast-warming Antarctica. Eleven new colonies of the species were found, taking the census to 61 across the polar continent, according to a study by scientists at the British Antarctic Survey published Wednesday. The scientists used images from Europe’s Copernicus Sentinel-2 mission to locate the flightless birds.
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