population."
Experts studying images taken from space were initially baffled by reddish-brown splodges on the ice.
"It turned out they were the feces, guano stains, of the emperors," Trathan said. "There's a really good contrast between the dark poo stains and the ice."
Scientists widened the search for the tell-tale blots to 90 percent of the Antarctic coastline and found 38 colonies.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/penguin-poo-stains-expose-emperors-icy-homes
[2] http://admin.indiaenvironmentportal.org.in/category/author/alister-doyle
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/planet-ark-australia
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/habitat
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/birds
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/antarctica