Global Warming Threatens Penguins

River in the Ice Alie Penguins walk along a lead in the sea ice. Because they have less foraging capability than Chinstrap and
Norbert Wu / Science Faction / Corbis

River in the Ice
Because they have less foraging capability than Chinstrap and Gentoo penguins, the Adélie are shrinking at a greater rate than the other penguin species.

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