Extinction Countdown: Thaw Deal: Climate change could leave penguins in the dark

Few animals can live totally in the dark, and penguins are no exception. But new research shows that climate change could soon rob Adélie penguins (Pygoscelis adeliae) of the sunlight they need to survive, and that could drive them into extinction.
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The research was funded by the National Science Foundation and the U.S. Antarctic Program.