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Satellite guano study tracks Antarctic penguin diet shifts
Key Takeaways
- Researchers used 30 years of Landsat imagery to study Ade9lie penguin guano across Antarctica.
- Guano color and spectral signatures were linked to diets richer in fish or krill.
- The study connects shrinking sea ice and warming conditions to continent-scale food-web changes.
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DT Editorial Team··via universetoday.com