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16 Aug 20263:22 pm

Environment16 Aug 2026 · 3:22 pm3:22 pm

Arctic Foxes Transformed Alaska's Grasslands into Tundra

Arctic foxes introduced to Alaskan islands for fur significantly altered the ecosystem by preying on seabirds, reducing nutrient flow and transforming grassland

31 Jul 20265:28 am

science31 Jul 2026 · 5:28 am5:28 am

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Satellites Spy Penguin Poop on Danger Islands to Monitor Diets and Populations

Satellite images from NASA's Landsat 8 spacecraft are being used to track the diets of Adélie penguins on Antarctica's Danger Islands by observing the color of

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Arctic Foxes Transformed Alaska's Grasslands into Tundra

Satellites Spy Penguin Poop on Danger Islands to Monitor Diets and Populations

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