Adelie penguins nest on King George Island, Antarctica. Researchers used the color and spectral signature of guano stains in Landsat images to reconstruct the diet of colonies over three decades. Photo: Michael Polito, UC Santa Cruz
Adelie penguins nest on King George Island, Antarctica. Researchers used the color and spectral signature of guano stains in Landsat images to reconstruct the diet of colonies over three decades. Photo: Michael Polito, UC Santa Cruz