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Penguin Droppings Are Fertile Ground for Science

How scientists are discovering colonies in remote parts of Antarctica by searching satellite images for guano stains.


NASA Earth Observatory images by Joshua Stevens, using Landsat data from the U.S. Geological Survey and calculations from Lynch, H. J., & Schwaller, M. R. (2014). Story by Adam Voiland.

Published June 13, 2017
Data acquired February 23, 2000

Source:
Landsat 7 > ETM+