14 Apr '12, 4pm

Scientists count penguins by satellite, find twice as many as expected (photos)

Scientists count penguins by satellite, find twice as many as expected (photos)

Scientists count penguins by satellite, find twice as many as expected (photos) mongabay.com April 14, 2012 Satellite images show twice as many emperor penguins as previously thought Map showing the locations of Emperor penguin colonies in Antarctica. Graphic courtesy of the British Antarctic Survey, whose scientists were involved in the research. Click image to enlarge. The population of emperor penguins in Antarctica is nearly twice as high as previously estimated according to a new satellite-based assessment. The census technique is based on detecting penguin colonies and then counting individual birds. Colonies are located by looking for large patches of ice discolored by penguin poop or guano. This approach turned up 44 colonies across Antarctica — including seven that hadn't been detected previously — and 595,000 birds. The emperor population had previously been thou...

Full article: http://news.mongabay.com/2012/0414-penguins_from_space.html

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