…from University of Minnesota News…
“What’s black and white and spreads red all over?
“That would be a penguin. Thanks to pigments in the birds’ krill and fish diets, penguin poo has a reddish tint that makes their colonies and trails stand out on satellite images.
“That’s a boon to researchers who want to identify and keep track of remote, inaccessible colonies. But to do so, they need somebody to turn satellite images into maps. That’s when they call the University of Minnesota’s Paul Morin, director of the National Science Foundation-funded Antarctic Geospatial Information Center (AGIC).”