Female penguins are getting stranded along the South American coast

Every year, thousands of Magellanic penguins are stranded along the South American coast -- from northern Argentina to southern Brazil -- 1,000 kilometers away from their breeding ground in northern Patagonia. Now researchers reporting in Current Biology on Jan. 7 have new evidence to explain the observation that the stranded birds are most often female: female penguins venture farther north than males do, where they are apparently more likely to run into trouble.

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